Table 2-1

General List of Fish Species Occurring in the East River

3-Spine Stickleback Naked Goby

4-Spined Stickleback Northern Pipefish

Alewife Northern Puffer

American Eel Northern Searobin

American Sand Lance Oyster Toadfish

American Shad Pollack

Atlantic Herring Rainbow Smelt

Atlantic Mackerel Red Hake

Atlantic Menhaden Rock Gunnel

Atlantic Needlefish Scup

Atlantic Seasnail Sea Horse

Atlantic Silverside Seaboard Goby

Atlantic Tomcod Silver Hake

Banded Killifish Silver Perch

Bay Anchovy Smallmouth Flounder

Black Sea Bass Spot

Blueback Herring Spotfin Butterflyfish

Bluefish Spotted Goatfish

Brown Bullhead Spotted Hake

Butterfish Striped Bass

Conger Eel Striped Burrfish

Cunner Striped Cusk Eel

Feather Blenny Striped Searobin

Fourbeard Rockling Summer Flounder

Four-Spot Flounder Tautog

Gizzard Shad Weakfish

Goosefish White Catfish

Grubby White Perch

Inshore Lizardfish Windowpane

Little Skate Winter Flounder

Mummichog

Source: LMS, 1994.
Table 3-1

Summary of 1993 Impingement and Entrainment Study Results - Astoria Generating Station

Dominant Species

% Total 

Impinged 

Fish

% Total 

Entrained 

Eggs

% Total 

Entrained 

Larvae

% Total 

Entrained 

Fish

Atlantic herring 72 12

Bay anchovy 6 10 22

Conger eel 4

Winter flounder 3.4 18 10

Atlantic tomcod 2.8

Northern pipefish 2.1 4

Fourbeard rockling 60

Grubby 10 61 34

American sand lance 3

Unidentified 40

American eel 5

Total % Contribution 90 98 95 95

Source: LMS, 1994.
Table 3-2

Estimated Impingement Under Maximum and 1993 Operating Conditions - Astoria Generating Station

Unit

Total 1993 

Impingement

Total Impingement 

at Maximum 

Operation

Total Impingement at 

2000 Operation

10 146,515 167,541 0

20 77,997 117,119 3,432

30 28,770 37,489 26,727

40 562,990 582,713 278,400

50 887,769 930,966 442,716

Total 1,704,041 1,835,827 751,275

Source: adapted from LMS, 1994 as presented in ENSR, 2005
Table 3-3

Estimated Entrainment Under Maximum and 1993 Operating Conditions - Astoria Generating Station

Life Stage

Total 1993 

Entrainment

Maximum 

Operations 

Entrainment

Current 

Operations 

Entrainment

Eggs 124,996,995 187,920,530 45,743,671

YSL 1,464,382 2,201,552 535,903

PSYL 21,441,877 32,235,726 7,846,830

YOY 1,265,595 1,902,696 463,155

Unidentified 10,124,970 15,221,884 3,705,315

Yearling 2,095,794 3,150,817 766,973

Post Yearling 1,013,509 1,523,710 370,902

Total 162,912,928 251,772,629 61,286,568

Source: LMS, 1994.

YOY - young of year, PSYL - post-yolksac larvae, YSL - yolksac larvae
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name 8-Mar 13-Mar 20-Mar 27-Mar 3-Apr 10-Apr 17-Apr 25-Apr 1-May 8-May 15-May 22-May 30-May 5-Jun 12-Jun 19-Jun 26-Jun

alewife 6 8 7 50

American eel 31

American sand lance 6 123 9

American shad

Atlantic butterfish 19 113 61 52 31 20

Atlantic croaker 7 17 11

Atlantic cutlassfish

Atlantic herring 75 82 22 265 175 40 35 6 7 7

Atlantic menhaden

Atlantic moonfish

Atlantic silverside 16 65 119 281 824 14 173 97 64 7 12 6 8 7 9

Atlantic thread herring

Atlantic tomcod 16 257 33 46 32 17

banded gunnel

banded killifish

banded rudderfish

bay anchovy 58 153 144 163 265 59 295 297 101

belted sandfish 8

black seabass

blue crab 14 230 497 268 271 94 235 101 405 313 130

blueback herring 7 16 8 8

bluefish 335 257 126 20

bluegill

Conger eel 66 7 40 56 1351 858 778 758 111

cunner 16 7 6 9 9 14 37 12

fancytail guppy

feather blenny 14

fourbeard rockling 6 9

fourspot flounder

gizzard shad

goosefish 7 7

grubby 8 8 17 30 17 9 17

gulfstream flounder

inland silverside

inshore lizardfish 44

lined seahorse 26 14 71 30 24 12 6 7

longsnout seahorse

lookdown

mummichog 8 8

naked goby 8 22 41 53 112 110 158 227 238 73 23 19 120 40 312 61 10

needlefish sp.

no species observed 0 0 0 0 0 0 0 0 0 0 0 0

Northern pike 14

northern pipefish 8 72 41 261 125 130 122 135 244 31 29 38 32 54 163 1016 718

northern puffer

northern searobin 9 7 14 11 8 6 9

northern stargazer

oyster toadfish 17 14

paperbones

pinfish

pollock 7 6 9 7 7 103 6

rainbow smelt

Red hake 6

rock gunnel 31 33 12 7

scup 6

seaboard goby 22 6 9 7 29 24 60 6 8 8 41

silver hake 8 7 12 27 8
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name 8-Mar 13-Mar 20-Mar 27-Mar 3-Apr 10-Apr 17-Apr 25-Apr 1-May 8-May 15-May 22-May 30-May 5-Jun 12-Jun 19-Jun 26-Jun

Smallmouth flounder 8

Smooth flounder

spotfin butterflyfish

spotted hake 16 116 106 163 18 21 58 119 167 22 12 13 7

striped bass

striped cusk eel 7 8 7 7 8

striped killifish

striped searobin

summer flounder 31

tautog 8 17

threespine stickleback 16 22 59 33 8 69 6 44

unknown 8 69 62 29 17

unknown catfish

unknown croaker or drum

unknown eel 61 17

unknown flounder 19 9 31 9 10

unknown goby 14 14

unknown gunnel 14

unknown guppy

unknown hake

unknown jack

unknown juvenile 24 14 8 81

unknown larvae 8 7 42 254 22

unknown mackrel

unknown minnow

unknown seahorse 8

unknown searobin

weakfish 6

white hake

white perch

Windowpane flounder

winter flounder 16 22 12 59 9 6 13 53 33 403 672 165

winter skate

Total 212 405 469 1073 1175 672 641 1499 1970 720 766 476 2817 1364 2753 3379 1407
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name

alewife

American eel

American sand lance

American shad

Atlantic butterfish

Atlantic croaker

Atlantic cutlassfish

Atlantic herring

Atlantic menhaden

Atlantic moonfish

Atlantic silverside

Atlantic thread herring

Atlantic tomcod

banded gunnel

banded killifish

banded rudderfish

bay anchovy

belted sandfish

black seabass

blue crab

blueback herring

bluefish

bluegill

Conger eel

cunner

fancytail guppy

feather blenny

fourbeard rockling

fourspot flounder

gizzard shad

goosefish

grubby

gulfstream flounder

5-Jul 10-Jul 17-Jul 24-Jul 26-Jul 31-Jul 7-Aug 14-Aug 15-Aug 21-Aug 22-Aug 28-Aug 5-Sep 6-Sep 11-Sep

26 13

28 13

355 1983 1019 368 664 4359 1054 259 64 51 27 373 194 102

34 13

29

34 59 13 219 103 39 13

1857 7659 2507 5220 3682 939 614 340 243 141 168 38

59 155 172 411 64 337 103 547 177 51 103 168 411

15

29

13

257 111 323 218 1266 206 1016 16474 926 9369 11561 9928 28903 93344 4069

39 61

324 645 406 801 733 193 386 767 489 939 408 289 450 271 269

14 13 13

13 25

29

228 91 13

17 56 67 26 39 13 12 13 13

143 13

50 13 13

15

67 13 13 26 13 13

Sampling Event Start Date

gulfstream flounder

inland silverside

inshore lizardfish

lined seahorse

longsnout seahorse

lookdown

mummichog

naked goby

needlefish sp.

no species observed

Northern pike

northern pipefish

northern puffer

northern searobin

northern stargazer

oyster toadfish

paperbones

pinfish

pollock

rainbow smelt

Red hake

rock gunnel

scup

seaboard goby

silver hake

59 13 26 14 77 13

13 51

13

12

13

15 193 102 27 39 26 13 26 39 89 299 361 797 930 1051

13

0 0 0

2262 3552 1653 501 543 591 810 479 373 127 149 115 450 310 333

13 13 26 26 13

365 935 87 99 201 849 424 721 167 320 41 25 450 258 102

87 102 171 2070 270 582 501 101 95 166 51 13 26

29 27 90 540 169 26 596 1671 440 193 335 231

13

58

13 39 14

1017 1196 411 376 334 330 598 255 283 155 89

34 13 90 101 489 180 13 13
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name

Smallmouth flounder

Smooth flounder

spotfin butterflyfish

spotted hake

striped bass

striped cusk eel

striped killifish

striped searobin

summer flounder

tautog

threespine stickleback

unknown

unknown catfish

unknown croaker or drum

unknown eel

unknown flounder

unknown goby

unknown gunnel

unknown guppy

unknown hake

unknown jack

unknown juvenile

unknown larvae

unknown mackrel

unknown minnow

unknown seahorse

unknown searobin

weakfish

white hake

white perch

Windowpane flounder

winter flounder

winter skate

5-Jul 10-Jul 17-Jul 24-Jul 26-Jul 31-Jul 7-Aug 14-Aug 15-Aug 21-Aug 22-Aug 28-Aug 5-Sep 6-Sep 11-Sep

Sampling Event Start Date

13 13 12

26

13 13

15 13 13

13 13 13

14

14 13 13 41

69 13 27 26 68 13

31 131 4121 27 26 13 13 51 82 13 13 39

4099

41 29 51 26 26 13 37 13 26

26

17 13

13

1187 14 8039 27 13 129 90 104 26 77

31 39 360 13

13

17 29

15 13 13

14

73 28 44 13

701 146 28 93 64 13 13 13

winter skate

Total 4109 9667 7310 14600 16114 12819 10581 24399 4436 13631 16085 12206 32374 96353 6927
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name

alewife

American eel

American sand lance

American shad

Atlantic butterfish

Atlantic croaker

Atlantic cutlassfish

Atlantic herring

Atlantic menhaden

Atlantic moonfish

Atlantic silverside

Atlantic thread herring

Atlantic tomcod

banded gunnel

banded killifish

banded rudderfish

bay anchovy

belted sandfish

black seabass

blue crab

blueback herring

bluefish

bluegill

Conger eel

cunner

fancytail guppy

feather blenny

fourbeard rockling

fourspot flounder

gizzard shad

goosefish

grubby

gulfstream flounder

18-Sep 25-Sep 2-Oct 9-Oct 16-Oct 23-Oct 30-Oct 6-Nov 13-Nov 20-Nov 21-Nov 27-Nov 28-Nov 4-Dec 11-Dec 18-Dec

13

13 13

13

13

6

13 13

64 13 129 51

13 25 14 51 51 103 26 26 26

13

13 38 26 13 13 26 39 39 39 51 13

2237 676 63 3200 219 1687 3639 1157 90 669 759 656 296 521 617 116

13 39 116 26 51 39 141 109 103 13

167 39 63 26 261 553 2430 244 771 1003 180 129 360 26 51

26 39 13 6 13 26

25 27 13 6

13

gulfstream flounder 64

inland silverside

inshore lizardfish

lined seahorse

longsnout seahorse

lookdown

mummichog

naked goby

needlefish sp.

no species observed

Northern pike

northern pipefish

northern puffer

northern searobin

northern stargazer

oyster toadfish

paperbones

pinfish

pollock

rainbow smelt

Red hake

rock gunnel

scup

seaboard goby

silver hake

64

13 14 26 13 6

14 13

386 442 304 26 55 13 167 103 231 77 26 649 489 193

0 0 0 0 0 0

64 147 51 304 64 206 193 154 77 51 39 39 71 39

26 13 26

26 13 64 14 26 13

13 13

13 41 13 64 14 39 13 13 77 39 39 39

13

26 64 13 13 26

26 13 694 14 476 5631 25431 6724 3921 5734 4352 2314 1517

13 386 101 27 26 257 26 13 129 26 39 122 39 13

13 13 39 13
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name

Smallmouth flounder

Smooth flounder

spotfin butterflyfish

spotted hake

striped bass

striped cusk eel

striped killifish

striped searobin

summer flounder

tautog

threespine stickleback

unknown

unknown catfish

unknown croaker or drum

unknown eel

unknown flounder

unknown goby

unknown gunnel

unknown guppy

unknown hake

unknown jack

unknown juvenile

unknown larvae

unknown mackrel

unknown minnow

unknown seahorse

unknown searobin

weakfish

white hake

white perch

Windowpane flounder

winter flounder

winter skate

18-Sep 25-Sep 2-Oct 9-Oct 16-Oct 23-Oct 30-Oct 6-Nov 13-Nov 20-Nov 21-Nov 27-Nov 28-Nov 4-Dec 11-Dec 18-Dec

13 13

26 13

14 39 90 39 13 122 13

13

321

25 13

13

25 13 41 141 206 129 3407 4166 1106 951 3099 1633 720

13 26

13

2496 1041

13 219 13

141 874 13 283

26 13 13 13

13 64

winter skate

Total 2996 1769 139 4367 1196 4896 7303 10389 1234 30999 13410 6184 7444 9521 5593 2790
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name

alewife

American eel

American sand lance

American shad

Atlantic butterfish

Atlantic croaker

Atlantic cutlassfish

Atlantic herring

Atlantic menhaden

Atlantic moonfish

Atlantic silverside

Atlantic thread herring

Atlantic tomcod

banded gunnel

banded killifish

banded rudderfish

bay anchovy

belted sandfish

black seabass

blue crab

blueback herring

bluefish

bluegill

Conger eel

cunner

fancytail guppy

feather blenny

fourbeard rockling

fourspot flounder

gizzard shad

goosefish

grubby

gulfstream flounder

28-Dec 4-Jan 8-Jan 15-Jan 22-Jan 23-Jan 29-Jan 5-Feb 6-Feb 12-Feb 20-Feb 26-Feb 5-Mar 12-Mar 19-Mar

Total (63 

events)

122

13 13 123

138

13

11181

89

54

13 51 64 96 1674

27 81 51 23903

13

13 2 94 26 13 77 55 51 13 26 39 5177

14 28

401

42 52 77 26 39 26 261

29

13

90 193 77 63 916 1147 206 1697 1714 193 202400

8

13 2 3 42 13 14 13 13 861

13 39 16281

13 85 103 13 27 13 456

776

29

3 1 13 4374

34 65 13 77 14 26 13 13 13 704

26 26

13 195

15

26 102

15

14

2 60 26 13 13 55 13 26 39 26 26 547

gulfstream flounder 64

inland silverside

inshore lizardfish

lined seahorse

longsnout seahorse

lookdown

mummichog

naked goby

needlefish sp.

no species observed

Northern pike

northern pipefish

northern puffer

northern searobin

northern stargazer

oyster toadfish

paperbones

pinfish

pollock

rainbow smelt

Red hake

rock gunnel

scup

seaboard goby

silver hake

64

13 13

316

282

13

12

13 42

154 321 51 13 531 746 206 180 69 52 604 180 129 77 103 12209

13

0 0 0 0 0 0 0 0 0 0 0

14

13 13 2 39 13 51 39 14 154 26 13 51 90 17484

154

1 5265

4262

4778

13

13

146

58

13 57 13 39 27 51 347

13 1 42 13 13 14 13 13 77 348

13 44 16457 22943 373 97804 53609 77 13 13 253246

26 17 39 51 55 13 26 51 13 13 13 2684

13 19 13 14 198
Table 5-1

Normalized Fish-Blue Crab Impingement by Sampling Event and Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name

Smallmouth flounder

Smooth flounder

spotfin butterflyfish

spotted hake

striped bass

striped cusk eel

striped killifish

striped searobin

summer flounder

tautog

threespine stickleback

unknown

unknown catfish

unknown croaker or drum

unknown eel

unknown flounder

unknown goby

unknown gunnel

unknown guppy

unknown hake

unknown jack

unknown juvenile

unknown larvae

unknown mackrel

unknown minnow

unknown seahorse

unknown searobin

weakfish

white hake

white perch

Windowpane flounder

winter flounder

winter skate

28-Dec 4-Jan 8-Jan 15-Jan 22-Jan 23-Jan 29-Jan 5-Feb 6-Feb 12-Feb 20-Feb 26-Feb 5-Mar 12-Mar 19-Mar

Total (63 

events)

13 110 39 13 13 259

26

64

51 2 26 13 39 64 41 13 1454

15 13 39 13 118

38

14

1 94

129 64 120 1288 13 386 82 13 51 13 26 2752

13 38

39 13 51 39 399

2 26 14 4823

13

4099

78

167 39 139 26 13 26 16385

39 13 106

14

13 1 51 134

13

13

13371

1020

14 14

13

8

46

386 1260 180 3184

13 13 26

14

13 235

13 2 98 94 167 77 55 39 64 13 13 13 3258

winter skate 1 1

Total 874 2070 566 187 18786 26655 1363 100607 56105 323 1376 373 360 296 540 624118
Table 5-2

Normalized Invertebrate Impingement by Sampling Event and Invertebrate Category - Astoria 

Generating Station (March 2006 - March 2007)

Event

Small 

Shrimp

Large 

Shrimp Bivalves Lobster

Other Crab 

(excluding 

blue crab)

Other 

Invertebrate Total

3/8/2006

3/13/2006

3/20/2006

3/27/2006 0 0 0 0 8 0 8

4/3/2006 6,700 0 0 0 35 0 6,736

4/10/2006 6,233 0 75 0 82 7 6,398

4/17/2006 3,715 0 0 0 50 0 3,766

4/25/2006 11,755 0 0 0 355 0 12,110

5/1/2006 16,879 0 8 0 210 0 17,098

5/8/2006 40 0 15 0 71 0 126

5/15/2006 1,544 0 0 0 92 0 1,636

5/22/2006 3,632 0 0 0 19 0 3,651

5/30/2006 7,341 0 106 0 92 0 7,539

6/5/2006 3,855 0 156 0 173 0 4,184

6/12/2006 11,029 0 236 0 309 8 11,581

6/19/2006 67,829 0 405 0 386 0 68,620

6/26/2006 29,224 0 99 0 531 0 29,855

7/5/2006 100,348 0 44 0 467 0 100,859

7/10/2006 979,759 0 0 0 1,819 0 981,579

7/17/2006 12,285 0 44 0 2,056 29 14,414

7/24/2006 14,182 0 88 0 739 29 15,039

7/26/2006 1,227 0 40 0 222 0 1,490

7/31/2006 6,429 0 39 0 2,204 51 8,722

8/7/2006 6,563 0 13 0 748 450 7,774

8/14/2006 6,305 13 64 0 1,532 116 8,030

8/15/2006 6,326 13 0 13 450 129 6,930

8/21/2006 16,414 26 90 0 2,769 37 19,336

8/22/2006 7,485 14 14 0 3,582 54 11,149

8/28/2006 12,928 0 0 0 6,209 25 19,162

9/5/2006 19,684 13 39 0 1,068 39 20,842

9/6/2006 4,446 26 39 0 890 0 5,401

9/11/2006 32,081 13 13 0 2,277 51 34,435

9/18/2006 5,284 0 0 0 411 0 5,696

9/25/2006 8,059 54 13 0 805 26 8,956

10/2/2006 5,697 0 0 0 88 0 5,785

10/9/2006 8,751 13 0 0 407 0 9,171

10/16/2006 2,301 0 0 0 193 0 2,494

10/23/2006 2,976 0 14 0 206 14 3,209

10/30/2006 9,823 77 18 0 373 0 10,291

11/6/2006 17,794 103 13 0 669 219 18,797

11/13/2006 9,000 90 0 0 360 1,826 11,276

11/20/2006 22,757 13 26 0 604 206 23,606

11/21/2006 26,936 129 13 0 489 231 27,797

11/27/2006 27,784 13 0 0 244 1,671 29,713

11/28/2006 19,851 0 0 0 167 2,019 22,037

12/4/2006 29,109 6 0 0 116 199 29,430

12/11/2006 45,913 0 0 64 13 103 46,093

12/18/2006 22,320 0 0 0 39 64 22,423

12/28/2006 16,779 0 13 0 51 0 16,843

Not Analyzed

Not Analyzed

Not Analyzed
Table 5-2

Normalized Invertebrate Impingement by Sampling Event and Invertebrate Category - Astoria 

Generating Station (March 2006 - March 2007)

Event

Small 

Shrimp

Large 

Shrimp Bivalves Lobster

Other Crab 

(excluding 

blue crab)

Other 

Invertebrate Total

1/4/2007 18,116 0 26 0 167 0 18,309

1/8/2007 20,044 0 0 0 13 13 20,070

1/15/2007 11,008 0 0 0 0 0 11,008

1/22/2007 6,981 0 0 0 26 0 7,007

1/23/2007 7,934 0 0 0 0 0 7,934

1/29/2007 49,805 0 0 0 0 0 49,805

2/5/2007 13,603 0 0 0 0 0 13,603

2/6/2007 27,182 0 14 0 14 0 27,209

2/12/2007 17,881 0 26 0 39 0 17,945

2/20/2007 9,823 0 0 0 0 0 9,823

2/26/2007 6,390 0 51 0 13 0 6,454

3/5/2007 0

3/12/2007 17,331 0 0 0 13 0 17,344

3/19/2007 16,560 0 13 0 13 0 16,586

Total 1,900,031 614 1,865 77 34,977 7,617 1,945,181
Table 5-3

Normalized Debris Impingement by Sampling Event and Category - Astoria Generating Station (March 2006 - March 2007)

Event

Total 

Debris 

volume (per 

day) Debris Units %TBC

% 

Terrestrial % Aq Veg

% Terr/ Aq 

Veg

% paper/ 

plastic % benthic % other

3/8/2006 131310 Kilograms 16% 0% 0% 32% 2% 0% 13%

3/13/2006

3/20/2006

3/27/2006

4/3/2006 341591 Kilograms 73% 0% 1% 11% 7% 0% 0%

4/10/2006 336697 Kilograms 85% 4% 6% 0% 4% 0% 1%

4/17/2006 227 Gallons 89% 0% 4% 1% 5% 0% 0%

4/25/2006 583 Gallons 86% 0% 8% 2% 4% 0% 0%

5/1/2006 339 Gallons 82% 0% 1% 7% 5% 0% 2%

5/8/2006 253 Gallons 70% 4% 6% 0% 7% 2% 10%

5/15/2006 147 Gallons 89% 1% 0% 2% 5% 0% 3%

5/22/2006 83 Gallons 58% 18% 17% 0% 8% 0% 0%

5/30/2006 284 Gallons 82% 5% 4% 0% 8% 1% 0%

6/5/2006 155 Gallons 48% 12% 14% 0% 18% 0% 6%

6/12/2006 217 Gallons 67% 8% 10% 0% 7% 0% 2%

6/19/2006 1056 Gallons 71% 5% 7% 0% 7% 1% 9%

6/26/2006 465 Gallons 73% 5% 7% 0% 7% 2% 6%

7/5/2006 744 Gallons 77% 7% 7% 0% 8% 0% 2%

7/10/2006 858 Gallons 87% 4% 4% 0% 2% 0% 1%

7/17/2006 586 Gallons 76% 6% 6% 0% 3% 0% 3%

7/24/2006 620 Gallons 68% 6% 9% 0% 5% 1% 6%

7/26/2006 742 Gallons 63% 5% 13% 0% 3% 0% 13%

7/31/2006 685 Gallons 81% 3% 9% 0% 2% 0% 4%

8/7/2006 531 Gallons 71% 2% 8% 0% 3% 0% 7%

8/14/2006 587 Gallons 82% 4% 6% 0% 3% 1% 4%

8/15/2006 995 Gallons 71% 4% 13% 0% 3% 2% 4%

8/21/2006 635 Gallons 85% 2% 4% 0% 2% 0% 2%

8/22/2006 780 Gallons 74% 3% 9% 0% 1% 1% 3%

8/28/2006 548 Gallons 80% 3% 5% 0% 3% 1% 3%

9/5/2006 537 Gallons 87% 2% 5% 0% 3% 1% 1%

9/6/2006 435 Gallons 81% 2% 5% 0% 3% 1% 1%

9/11/2006 258 Gallons 80% 3% 6% 0% 2% 0% 3%

9/18/2006 161 Gallons 88% 3% 4% 0% 2% 1% 1%

9/25/2006 301 Gallons 80% 3% 8% 0% 6% 1% 1%

10/2/2006 256 Gallons 91% 2% 4% 0% 2% 0% 1%

10/9/2006 412 Gallons 79% 3% 10% 0% 5% 0% 2%

10/16/2006 161 Gallons 77% 3% 14% 0% 3% 0% 2%

10/23/2006 141 Gallons 85% 4% 5% 0% 2% 1% 3%

10/30/2006 59 Gallons 48% 23% 16% 0% 9% 1% 2%

11/6/2006 74 Gallons 41% 37% 12% 0% 10% 0% 1%

11/13/2006 90 Gallons 38% 48% 7% 0% 5% 0% 3%

11/20/2006 131 Gallons 48% 29% 12% 0% 6% 0% 5%

11/21/2006 154 Gallons 24% 49% 9% 0% 7% 0% 5%

11/27/2006 173 Gallons 48% 22% 9% 0% 12% 0% 5%

11/28/2006 140 Gallons 48% 31% 7% 0% 7% 0% 5%

12/4/2006 326 Gallons 35% 34% 13% 0% 7% 1% 8%

12/11/2006 128 Gallons 30% 41% 7% 0% 12% 0% 8%

12/18/2006 156 Gallons 18% 40% 14% 0% 19% 3% 4%

12/28/2006 116 Gallons 50% 31% 4% 0% 14% 0% 1%

1/4/2007 145 Gallons 33% 21% 29% 0% 9% 2% 5%

1/8/2007 96 Gallons 34% 24% 10% 0% 29% 0% 3%

1/15/2007 78 Gallons 21% 50% 6% 0% 11% 0% 1%

1/22/2007 227 Gallons 14% 14% 19% 0% 5% 1% 6%

1/23/2007 287 Gallons 12% 7% 10% 0% 4% 0% 5%

1/29/2007 78 Gallons 50% 21% 3% 0% 13% 0% 11%

2/5/2007 212 Gallons 34% 21% 16% 0% 5% 0% 21%

2/6/2007 189 Gallons 67% 10% 13% 0% 7% 1% 2%

2/12/2007 53 Gallons 55% 7% 11% 0% 24% 1% 1%

2/20/2007 307 Gallons 70% 17% 4% 0% 6% 0% 3%

2/26/2007 93 Gallons 60% 22% 6% 0% 12% 0% 0%

3/5/2007 132 Gallons 34% 23% 21% 0% 19% 0% 2%

3/12/2007 135 Gallons 50% 13% 24% 0% 10% 1% 2%

3/19/2007 221 Gallons 44% 38% 8% 0% 10% 1% 0%

Not analyzed

Not analyzed

Not analyzed
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name Life Stage 8-Mar 27-Mar 3-Apr 10-Apr 17-Apr 25-Apr 1-May 8-May 15-May 22-May 30-May 5-Jun

American eel J

American eel L 0

Atlantic cod L

Atlantic herring L

Atlantic mackerel E 1

Atlantic menhaden E 15 13 59 11 100

Atlantic menhaden J

Atlantic menhaden L 0 6 8 2 2

Atlantic silverside A 0

Atlantic silverside L 0 0 0

bay anchovy A 0

bay anchovy E 0 0 0 1 5 22

bay anchovy J

bay anchovy L

bay anchovy Unk

black seabass L

blue crab Z

Blueback Herring J

butterfish J

butterfish L

codfishes E 5 0 1 14 0 0

cunner A

cunner L

feather blenny E

feather blenny L

fourbeard rockling E 5 37 19 6 2 2 1 0 0

fourbeard rockling L 0 0

grubby L 5 5 5 4 2 0 0

hogchoker E 0 0

Inshore Lizardfish J

Inshore Lizardfish L

Lined Seahorse L

longhorn sculpin L 0 0

mummichog L 0

northern kingfish E

northern kingfish L

northern pipefish A

northern pipefish J

northern pipefish L 0

Northern Searobin L

oyster toadfish J

oyster toadfish L

rock gunnel L 0

rockling-hake-butterfish E 1 7 2 2 36 1 0 2

sand lance L 0

Scup J

Scup L

seaboard goby A

seaboard goby E

seaboard goby J

seaboard goby L

seaboard goby Unk

Silver hake E

silver hake-scup-weakfish E 0 0 9 5

silver hake-scup-weakfish L 2
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name Life Stage 8-Mar 27-Mar 3-Apr 10-Apr 17-Apr 25-Apr 1-May 8-May 15-May 22-May 30-May 5-Jun

smallmouth flounder E 0

smallmouth flounder J

smallmouth flounder L

striped anchovy E

striped searobin J

striped searobin L

summer flounder E

summer flounder J

summer flounder L

tautog L 0

tautog-cunner E 0 0 0 0 3 6 65 77 96 64 106

tautog-cunner L 5

unidentified E

unidentified E/O

unidentified clupeid L

unidentified fragment L 1 0 0

unidentified fragment Unk

unknown J

unknown anchovy A

unknown anchovy L

unknown flounder (windowpane or 

fourspot flounder) E 1 3 1 1 0 0 0 1

unknown goby Unk

unknown hake E

unknown searobin E 0 0 0

unknown searobin J

unknown searobin L

weakfish J

weakfish L

weakfish Unk

windowpane flounder E 2 1 2 2

windowpane flounder J

windowpane flounder L 0 0 0

winter flounder E 5 1 1 0 0 0

winter flounder L 1 1 2 1 3 0 1 1 1 0 0

Total 14 51 28 15 8 19 11 98 135 172 93 244

Totals by lifestage 8-Mar 27-Mar 3-Apr 10-Apr 17-Apr 25-Apr 1-May 8-May 15-May 22-May 30-May 5-Jun

E 9 44 22 9 6 15 10 97 128 157 90 238

L 5 7 7 6 3 4 1 1 7 15 3 6

J 0 0 0 0 0 0 0 0 0 0 0 0

A 0 0 0 0 0 0 0 0 0 0 0 0

Unk 0 0 0 0 0 0 0 0 0 0 0 0

Total 14 51 28 15 8 19 11 98 135 172 93 244
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name

American eel

American eel

Atlantic cod

Atlantic herring

Atlantic mackerel

Atlantic menhaden

Atlantic menhaden

Atlantic menhaden

Atlantic silverside

Atlantic silverside

bay anchovy

bay anchovy

bay anchovy

bay anchovy

bay anchovy

black seabass

blue crab

Blueback Herring

butterfish

butterfish

codfishes

cunner

cunner

feather blenny

feather blenny

fourbeard rockling

fourbeard rockling

grubby

hogchoker

Inshore Lizardfish

Inshore Lizardfish

Lined Seahorse

longhorn sculpin

mummichog

northern kingfish

northern kingfish

northern pipefish

northern pipefish

northern pipefish

Northern Searobin

oyster toadfish

oyster toadfish

rock gunnel

rockling-hake-butterfish

sand lance

Scup

Scup

seaboard goby

seaboard goby

seaboard goby

seaboard goby

seaboard goby

Silver hake

silver hake-scup-weakfish

silver hake-scup-weakfish

12-Jun 19-Jun 26-Jun 5-Jul 10-Jul 17-Jul 24-Jul 31-Jul 7-Aug 14-Aug 21-Aug 28-Aug 5-Sep

0-Jan

0 2 0

48 6 6 0 0

52 42 6 1 0 0 0

0 1 0 0

13 17 13 16 17 85 38 35 5 1 0

0 0 1

1 19 7 8 22 19 7 16 25 19 36 19 5

0

0 0 0

0 1 0 0

4 0 1 1 1

0 0

0 0 0

0

0

0

0 0 0

0 0 0 1 0 0 0 1 0 0 0

0

10 2 5 0 2 0 0 1 0 0

0

0 0

0 0

2 0 0 0 0 1 0

2 6 7 41 7 3

0 2 10 15 20 12 24 34 15 23 5 1

0

10 49 32 2 16 5 2 0 0

Sampling Event
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name

smallmouth flounder

smallmouth flounder

smallmouth flounder

striped anchovy

striped searobin

striped searobin

summer flounder

summer flounder

summer flounder

tautog

tautog-cunner

tautog-cunner

unidentified

unidentified

unidentified clupeid

unidentified fragment

unidentified fragment

unknown

unknown anchovy

unknown anchovy

unknown flounder (windowpane or 

fourspot flounder)

unknown goby

unknown hake

unknown searobin

unknown searobin

unknown searobin

weakfish

weakfish

weakfish

windowpane flounder

windowpane flounder

windowpane flounder

winter flounder

winter flounder

Total

Totals by lifestage

12-Jun 19-Jun 26-Jun 5-Jul 10-Jul 17-Jul 24-Jul 31-Jul 7-Aug 14-Aug 21-Aug 28-Aug 5-Sep

0 0

1 0 0 0

0 0

1 1 0 1 0 0

107 232 300 170 181 120 71 13 10 5 2 0 0

0 2

0 1 0 1 1 0 2 2 1 3 0

0 2 4 1 2 0 1 0

0

1 3 6 1 8 6 5 0 0

0

1 0 0

0 7 0

0

247 383 384 214 270 257 138 93 86 51 106 33 11

12-Jun 19-Jun 26-Jun 5-Jul 10-Jul 17-Jul 24-Jul 31-Jul 7-Aug 14-Aug 21-Aug 28-Aug 5-Sep

192 310 367 191 232 217 119 49 18 6 3 0 0

55 72 17 23 39 40 19 41 61 37 61 26 6

0 0 0 0 0 0 0 3 6 8 42 7 4

0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0 0 0 0 0

247 383 384 214 270 257 138 93 86 51 106 33 11
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name

American eel

American eel

Atlantic cod

Atlantic herring

Atlantic mackerel

Atlantic menhaden

Atlantic menhaden

Atlantic menhaden

Atlantic silverside

Atlantic silverside

bay anchovy

bay anchovy

bay anchovy

bay anchovy

bay anchovy

black seabass

blue crab

Blueback Herring

butterfish

butterfish

codfishes

cunner

cunner

feather blenny

feather blenny

fourbeard rockling

fourbeard rockling

grubby

hogchoker

Inshore Lizardfish

Inshore Lizardfish

Lined Seahorse

longhorn sculpin

mummichog

northern kingfish

northern kingfish

northern pipefish

northern pipefish

northern pipefish

Northern Searobin

oyster toadfish

oyster toadfish

rock gunnel

rockling-hake-butterfish

sand lance

Scup

Scup

seaboard goby

seaboard goby

seaboard goby

seaboard goby

seaboard goby

Silver hake

silver hake-scup-weakfish

silver hake-scup-weakfish

11-Sep 18-Sep 25-Sep 2-Oct 16-Oct 30-Oct 6-Nov 13-Nov 20-Nov 27-Nov 4-Dec 18-Dec 4-Jan

0 0

0

0 2 0 0 0 0

0

0

0

2 1 6 1 0

57 27 0 0 3 0

0

0

0

0

0

0

0

0

0 0

0

0

0

0 0

0

0

0

0

0 0

14 2 1 0 1 0

5 3 0 2 1 0 0

0

0
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name

smallmouth flounder

smallmouth flounder

smallmouth flounder

striped anchovy

striped searobin

striped searobin

summer flounder

summer flounder

summer flounder

tautog

tautog-cunner

tautog-cunner

unidentified

unidentified

unidentified clupeid

unidentified fragment

unidentified fragment

unknown

unknown anchovy

unknown anchovy

unknown flounder (windowpane or 

fourspot flounder)

unknown goby

unknown hake

unknown searobin

unknown searobin

unknown searobin

weakfish

weakfish

weakfish

windowpane flounder

windowpane flounder

windowpane flounder

winter flounder

winter flounder

Total

Totals by lifestage

11-Sep 18-Sep 25-Sep 2-Oct 16-Oct 30-Oct 6-Nov 13-Nov 20-Nov 27-Nov 4-Dec 18-Dec 4-Jan

0

0 0

0

0

0 0

0 0 0 0

0 0 0 0 0 0 0

0

0 0 0

0 0 0

0

2

0 1 0

0

0

0

2 2 2

1 4 17 0 0 0 2 0 0

0 0

0

0

0

81 37 1 0 2 19 22 1 0 3 5 1 0

11-Sep 18-Sep 25-Sep 2-Oct 16-Oct 30-Oct 6-Nov 13-Nov 20-Nov 27-Nov 4-Dec 18-Dec 4-Jan

0 1 0 0 1 0 0 0 0 0 0 0 0

63 30 0 0 1 12 18 1 0 1 3 0 0

16 5 1 0 0 7 3 0 0 2 2 0 0

0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0 0 1 0 0

81 37 1 0 2 19 22 1 0 3 5 1 0
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name

American eel

American eel

Atlantic cod

Atlantic herring

Atlantic mackerel

Atlantic menhaden

Atlantic menhaden

Atlantic menhaden

Atlantic silverside

Atlantic silverside

bay anchovy

bay anchovy

bay anchovy

bay anchovy

bay anchovy

black seabass

blue crab

Blueback Herring

butterfish

butterfish

codfishes

cunner

cunner

feather blenny

feather blenny

fourbeard rockling

fourbeard rockling

grubby

hogchoker

Inshore Lizardfish

Inshore Lizardfish

Lined Seahorse

longhorn sculpin

mummichog

northern kingfish

northern kingfish

northern pipefish

northern pipefish

northern pipefish

Northern Searobin

oyster toadfish

oyster toadfish

rock gunnel

rockling-hake-butterfish

sand lance

Scup

Scup

seaboard goby

seaboard goby

seaboard goby

seaboard goby

seaboard goby

Silver hake

silver hake-scup-weakfish

silver hake-scup-weakfish

22-Jan 5-Feb 20-Feb 5-Mar 19-Mar 2-Apr

Total for All 

Events

0

0 0 0 0 0

0 0

0 0

3

260

0

0 122

0

2

0

269

0 11

293

0

0

0

0

0

0

20

0 0

2

8

0

0 1 4 17 94

0

0 1 1 4 2 5 34

0

0

0

0

0 0

0

0

0

0

0

4

0

0

0

1 1 0 0 2

0 74

0 0 0 1

0

0

0 0 0 1

4

85

0 170

0

0 1 0 1

131

2
Table 5-4

Normalized Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Species Name

smallmouth flounder

smallmouth flounder

smallmouth flounder

striped anchovy

striped searobin

striped searobin

summer flounder

summer flounder

summer flounder

tautog

tautog-cunner

tautog-cunner

unidentified

unidentified

unidentified clupeid

unidentified fragment

unidentified fragment

unknown

unknown anchovy

unknown anchovy

unknown flounder (windowpane or 

fourspot flounder)

unknown goby

unknown hake

unknown searobin

unknown searobin

unknown searobin

weakfish

weakfish

weakfish

windowpane flounder

windowpane flounder

windowpane flounder

winter flounder

winter flounder

Total

Totals by lifestage

22-Jan 5-Feb 20-Feb 5-Mar 19-Mar 2-Apr

Total for All 

Events

0

1

1

0 0

0

0

0

1

2

3

0 0 1,630

8

0 0

0 0

0 0

0 12

0 0

2

0 0

0 0

18

0

0

0 30

0

0

0 0 0 7

0 26

1

0 0 0 2 4 14

0

8

0 0 2 6 6 3 25

0 1 14

3 2 5 12 17 30 3,400

22-Jan 5-Feb 20-Feb 5-Mar 19-Mar 2-Apr

Total for All 

Events

0 0 3 7 13 25 2,581

2 2 1 4 3 6 708

0 0 0 0 0 0 108

0 0 0 0 0 0 1

0 0 0 0 0 0 2

3 2 5 12 17 30 3,400
Table 5-5

Normalized Shellfish Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Name

Life 

stage 04/10/06 04/17/06 04/25/06 05/01/06 05/08/06 05/15/06 05/22/06 05/30/06 06/05/06 06/12/06 06/19/06 06/26/06 07/05/06 07/10/06 07/17/06 07/24/06 08/28/06 09/05/06 09/18/06 09/25/06 10/16/06 11/13/06 11/20/06 11/27/06 12/04/06 12/11/06 01/04/07 01/22/07 02/05/07

Asian shore crab Unk 7.121

Asian shore crab Z 0.282 0.132 0.282 15.029 17.837 2.258 18.159 29.359 5.488 3.764 11.168 12.209 1.592 11.292 0.141

bivalve Z 0.941 0.847 0.495 0.141 0.282 0.282 0.071 0.706 0.282 0.847 21.831 1.694 2.752

blue crab Z 0.423

common mud crab Z 0.282

flat-back mud crab Z 5.424

horseshoe crab Z 0.141

long wrist hermit crab Z 0.282 0.565 0.231

narrow mud crab Z 0.356 0.539 1.796 1.443 1.764 1.411 0.282

pinnixa small crab Z 0.282 1.411

purple marsh crab Z 0.971

red-jointed fiddler crab Z 0.638 0.539 2.541 0.376 5.496

rock crab Z 0.194 0.486

sand shrimp J 0.282

say mud crab Z 0.565 8.575 4.517 0.635 0.694

spider crab Z 0.141 0.282

unknown M 0.282 0.353 6.146 1.411

unknown Z 0.386

unknown crab PA 0.071

Total 0.000 0.941 0.847 0.000 0.688 0.565 0.000 0.132 0.565 15.029 17.837 11.220 19.519 32.464 16.988 8.657 24.988 15.314 12.438 12.986 0.141 0.071 0.706 0.282 0.847 21.831 1.694 2.752 0.000

Z = zoeae; M = megalops; PA = pre-adult; J = juvenile; unk = unknown/unidentifiable

Sampling Event
Table 5-5

Normalized Shellfish Entrainment by Sampling Event, Species and Life Stage - Astoria Generating Station (March 2006 - April 2007)

Common Name

Life 

stage

Asian shore crab Unk

Asian shore crab Z

bivalve Z

blue crab Z

common mud crab Z

flat-back mud crab Z

horseshoe crab Z

long wrist hermit crab Z

narrow mud crab Z

pinnixa small crab Z

purple marsh crab Z

red-jointed fiddler crab Z

rock crab Z

sand shrimp J

say mud crab Z

spider crab Z

unknown M

unknown Z

unknown crab PA

Total

Z = zoeae; M = megalops; PA = pre-adult; J = juvenile; unk = unknown/unidentifiable

02/20/07 03/05/07 03/19/07 04/02/07

Total All 

Events

7.121

128.992

0.353 0.141 0.282 31.947

0.423

0.282

5.424

0.141

1.078

7.593

1.694

0.971

9.590

0.679

0.282

14.986

0.423

8.193

0.386

0.071

0.000 0.353 0.141 0.282 220.277
Table 5-6

Summary of Water Quality Parameters Observed - Astoria Generating Station (March 2006 - April 2007)

Event Event Start Date

Mean Min Max Mean Min Max Mean Min Max Mean Min Max

AST040306 4/3/2006 8.13 8.03 8.24 23.2 22.54 24.13 11.34 10.65 12.18 8.11 7.14 8.85

AST041006 4/10/2006 7.94 7.85 8.22 25.3 23.74 26.56 13.86 11.89 14.73 8.55 7.84 9.2

AST041706 4/17/2006 7.93 7.85 8.05 23.35 22.44 24.35 10.16 9.67 10.83 9.88 8.99 10.74

AST042506 4/25/2006 7.86 7.75 8.03 21.37 17.9 23.71 8.93 8.59 9.56 11.7 10.81 12.76

AST050106 5/1/2006 7.79 7.72 7.88 20.2 18.81 21.58 7.77 7.54 8.1 12.55 11.93 12.87

AST050806 5/8/2006 7.7 7.64 7.81 23.01 21.89 24.37 9.14 8.8 9.66 14.21 13.39 14.73

AST051506 5/15/2006 7.6 7.24 7.71 23.7 21.75 24.76 10.23 9.55 10.91 14.58 14.1 14.98

AST052206 5/22/2006 7.55 7.48 7.65 21.2 18.62 24.12 8.53 8.03 9.08 14.74 13.79 15.54

AST053006 5/30/2006 7.6 7.53 7.72 23.46 20.95 25.15 7.51 5.67 8.72 16.55 15.35 17.42

AST060506 6/5/2006 7.45 7.39 7.59 22.02 18.83 24.57 10.03 8.44 11.73 17.79 16.87 18.47

AST061206 6/12/2006 7.57 7.49 7.68 22.94 20.99 24.85 8.98 8.54 10.04 17.91 17.35 18.37

AST061906 6/19/2006 7.58 7.52 7.67 24.04 16.61 26 9.13 7.46 10.27 19.49 18.11 20.75

AST062606 6/26/2006 7.49 7.41 7.55 24.39 22.29 25.8 6.28 5.85 6.93 19.46 18.29 20.56

AST070506 7/5/2006 7.51 7.45 7.58 7.26 6.04 8.75 19.98 18.36 21.6

AST071006 7/10/2006 7.54 7.46 7.63 24.48 22.78 26.29 6.61 6.02 7.72 19.81 18.41 20.79

AST071706 7/17/2006 7.42 7.3 7.49 24.86 22.77 26.57 4.57 4.08 5.29 22.02 20.43 23.4

AST072406 7/24/2006 7.4 7.35 7.5 24.38 21.78 26.31 4.6 2.81 5.84 23.11 21.59 24.42

AST072506 7/25/2006 7.41 7.36 7.53 24.79 22.76 26.57 4.68 3.28 13.48 23.72 21.59 24.55

AST073106 7/31/2006 7.44 7.38 7.59 25.04 23.22 26.83 4.05 3.39 5.5 23.76 22 24.87

AST080706 8/7/2006

AST081406 8/14/2006 7.46 7.37 7.57 26.07 24.88 27.21 3.84 3.41 4.45 23.97 23.12 24.46

AST081506 8/15/2006 7.45 7.41 7.53 26.01 25.04 27.1 3.36 3.07 3.7 24.08 23.17 24.67

AST082106 8/21/2006 7.27 7.15 7.36 25.24 24.23 26.23 3.21 -0.59 4.04 24.57 23.64 25.34

AST082106 8/22/2006 7.28 7.24 7.41 25.3 22.03 26.24 3.55 3.2 4.22 24.71 23.78 25.69

AST082806 8/28/2006 7.23 7.2 7.28 25.36 24.58 26.03 1.86 1.71 2.12 23.48 22.94 23.85

AST090506 9/5/2006 7.35 7.27 7.43 25.2 23.71 26.64 2.77 2.42 3.13 22.05 21.5 22.39

AST090606 9/6/2006 7.36 7.32 7.43 25.32 23.98 26.67 3.04 2.78 3.24 22.09 21.64 22.53

AST091106 9/11/2006 7.4 7.35 7.47 25.99 24.88 26.97 2.64 2.08 3.15 22.15 21.64 22.63

AST091806 9/18/2006 7.38 7.33 7.46 24.79 23.49 26.18 2.37 1.38 3.43 22.31 21.74 22.77

AST092506 9/25/2006 7.42 7.37 7.51 25.27 21.22 26.66 2.91 1.98 4.86 21.55 20.93 22.45

AST100206 10/2/2006 7.45 7.41 7.52 20.6 19.09 23.49 7.81 7.31 8.43 20.64 20.18 21.1

AST100906 10/9/2006 7.53 7.48 7.59 23.12 21.64 24.21 9.8 9.12 10.41 19.58 19.13 20.23

AST102306 10/23/2006 7.59 7.52 7.64 22.19 19.52 23.55 10.91 10.04 12.01 16.85 16.3 17.37

AST103006 10/30/2006 7.58 7.51 7.75 16.78 11.24 21.99 8.79 8.43 9.39 13.77 13.54 14.18

AST110606 11/6/2006

AST111306 11/13/2006

AST112006 11/20/2006

AST112106 11/21/2006

AST112706 11/27/2006

AST112806 11/28/2006

AST120406 12/4/2006

AST120506 12/5/2006

AST121106 12/11/2006

AST121806 12/18/2006 7.75 7.58 7.85 22.5 21.21 23.97 12.2 11.23 19.79 9.56 8.9 10.12

AST122806 12/28/2006 7.76 7.71 7.84 21.65 19.54 23.58 12.12 11.42 12.55 8.7 8.03 9.14

AST010407 1/4/2007 7.76 7.59 7.83 21.82 19.45 23.83 12.11 10.75 12.73 8.22 7.52 8.86

AST010807 1/8/2007

AST011507 1/15/2007

pH Conductivity (ppt) DO (mg/L) Temperature (°C)
Table 5-6

Summary of Water Quality Parameters Observed - Astoria Generating Station (March 2006 - April 2007)

Event Event Start Date

Mean Min Max Mean Min Max Mean Min Max Mean Min Max

pH Conductivity (ppt) DO (mg/L) Temperature (°C)

AST012207 1/22/2007 9.25 8.21 11.77 22.03 20.52 23.54 9.04 7.07 11.85 5.47 4.67 6.4

AST012307 1/23/2007 8.49 8.42 8.55 22.15 20.44 23.58 15.27 12.15 17.54 5.39 4.59 6.28

AST012907 1/29/2007 8.42 8.3 8.88 22.37 20.54 23.85 16.81 15.2 17.53 4.63 3.61 5.47

AST020507 2/5/2007 8.56 8.47 8.88 20.02 17.14 22.98 17.43 14.62 18.46 3.69 2.5 5.76

AST020607 2/6/2007 8.53 8.4 8.66 20.54 18 23.06 17.98 15.03 18.87 3.35 1.9 5.89

AST021207 2/12/2007 8.64 8.51 8.84 22.09 20.95 23.54 20.63 18.37 22.78 2.97 2.03 3.79

AST022007 2/20/2007 8.7 8.6 9.03 23.8 23.2 24.54 18.72 17.39 19.37 1.42 0.47 2.19

AST022607 2/26/2007 8.64 8.54 8.8 24.25 23.98 24.74 18.42 17.89 19.28 2.02 1.11 2.56

AST030507 3/5/2007 8.55 8.27 8.66 22.42 20.35 23.86 17.97 16.01 19.18 3.66 2.33 5.89

AST031207 3/12/2007 8.29 8.16 8.37 22.78 21.77 23.93 15.22 14.37 16.16 3.5 2.48 4.18

AST031907 3/19/2007 8.56 7.91 8.67 21.47 17.76 24.05 23.77 21.52 25.34 3.23 2.42 4.49

AST040207 4/2/2007

Note:

Min, max, and average values represent the variation across sampling time periods with single 24-hr sampling event
Table 6-1

Impingement Species by Common and Scientific Name with Total Annualized Impingement - Astoria 

Generating Station (March 2006 - March 2007)

Common Name Scientific Name Total Impinged*

alewife Alosa pseudoharengus 872

American eel Anguilla rostrata 1064

American sand lance Ammodytes hexapterus 1191

American shad Alosa sapidissima 55

Atlantic butterfish Peprilus triacanthus 70623

Atlantic croaker Micropogonias undulatus 633

Atlantic cutlassfish Trichiurus lepturus 323

Atlantic herring Clupea harengus 10989

Atlantic menhaden Brevoortia tyrannus 126979

Atlantic moonfish Selene setapinnis 31

Atlantic needlefish Strongylura marina 104

Atlantic silverside Menidia menidia 30485

Atlantic thread herring Opisthonema oglinum 126

Atlantic tomcod Microgadus tomcod 2633

banded gunnel Pholis fasciata 2187

banded killifish Fundulus diaphanus 131

banded rudderfish Seriola zonata 47

bay anchovy Anchoa mitchilli 938015

black sea bass Centropristis striata 5216

blue crab Callinectes sapidus 89902

blueback herring Alosa aestivalis 3278

bluefish Pomatomus saltatrix 5131

bluegill Lepomis macrochirus 262

conger eel Conger oceanicus 32918

cunner Tautogolabrus adspersus 4710

fancytail guppy Poecilia reticulata. 280

feather blenny Hypsoblennius hentzi 593

fourbeard rockling Enchelyopus cimbrius 143

fourspot flounder Paralichthys oblongus 738

gizzard shad Dorosoma cepedianum 133

goosefish Lophius americanus 114

grubby Myoxocephalus aenaeus 4079

gulfstream flounder Citharichthys arctifrons 427

inland silverside Menidia beryllina 125

inshore lizardfish Synodus foetens 3297

lined seahorse Hippocampus erectus 2151

lookdown Selene vomer 42

mummichog Fundulus heteroclitus 289

naked goby Gobiosoma bosci 85997

northern pike Esox lucius 132

northern pipefish Syngnathus fuscus 118144

northern puffer Sphoeroides maculatus 1050

northern searobin Prionotus carolinus 27857

northern stargazer Astroscopus guttatus 28466

oyster toadfish Opsanus tau 31108

paperbones Luciosudis normani 60

pinfish Lagodon rhomboides 110

pollock Pollachius virens 1178

rainbow smelt Osmerus mordax 527
Table 6-1

Impingement Species by Common and Scientific Name with Total Annualized Impingement - Astoria 

Generating Station (March 2006 - March 2007)

Common Name Scientific Name Total Impinged*

red hake Urophycis chuss 2084

rock gunnel Pholis gunnellus 3849

scup Stenotomus chrysops 1025238

seaboard goby Gobiosoma ginsburgi 19831

silver hake Merluccius bilinearis 1259

smallmouth flounder Etropus microstomus 1598

smooth flounder Liopsetta putnami 94

spotfin butterflyfish Chaetodon ocellatus 656

spotted hake Urophycis regia 9744

striped bass Morone saxatilis 755

striped cusk-eel Ophidion marginatum 392

striped killifish Fundulus majalis 63

striped searobin Prionotus evolans 498

summer flounder Paralichthys dentatus 16338

tautog Tautoga onitis 261

threespine stickleback Gasterosteus aculeatus 4128

unknown 27840

unknown catfish Ictaluridae 55

unknown croaker or drum Sciaenidae 17048

unknown eel Anguillidae or Congridae 589

unknown flounder Pleuronectiformes 88532

unknown goby Gobiosoma sp. 912

unknown gunnel Pholis sp. 98

unknown guppy Poecillidae 969

unknown hake Urophycis sp. 110

unknown jack Carangidae 63

unknown juvenile 87507

unknown larvae 8102

unknown mackerel Scombridae 43

unknown minnow Fundulidae 104

unknown searobin Prionotus sp. 372

unknown serranid Serranidae 85

unknown silverside Menidia sp. 76

weakfish Cynoscion regalis 27217

white hake Urophycis tenuis 169

white perch Morone americanus 57

windowpane flounder Scophthalmus aquosus 1730

winter flounder Pseudopleuronectes americanus 22816

winter skate Raja ocellata 6

Other Invertebrate Classifications

small shrimp (sand, shore, and grass 

shrimp)

Crangon septemspinosa, 

Palaemonidae, Hippolytidae 11020714

large shrimp

Squilla empusa, Palaemonidae, 

Penaeida, Crangon 

septemspinosa 3329

various bivalves

Mytilus edulis, Crassostrea 

virginica, Astarte castanea, Mya 

arenaria, Tellinidae 10948

lobster Homarus americanus 517
Table 6-1

Impingement Species by Common and Scientific Name with Total Annualized Impingement - Astoria 

Generating Station (March 2006 - March 2007)

Common Name Scientific Name Total Impinged*

other crab (excluding blue crab; e.g., 

Japanese, black-fingered, white-fingered, 

and spider crabs)

Hemigrapsus sanguineus, 

Majidae, Portunidae, Cancridae, 

Xanthidae, 264584

other invertebrates (e.g., loligo squid) Loligo pealei 37553

* Annualized total adjusted for collection efficiency, flow and dead prior to impingement
Table 6-2

Monthly Impingement Species - Astoria Generating Station (March 2006 - March 2007)

Common Species Name 3/2006 4/2006 5/2006 6/2006 7/2006 8/2006 9/2006 10/2006 11/2006 12/2006 1/2007 2/2007 3/2007 Total Annualized

Atlantic butterfish 0 0 1,286 1,179 62,690 7,869 3,404 0 0 0 0 0 0 76,427 70,623

Atlantic menhaden 0 0 0 0 62,730 68,409 1,756 786 1,586 0 765 0 1,383 137,416 126,979

Atlantic silverside 2,430 8,864 771 124 5,374 6,743 3,279 514 577 1,018 900 985 1,410 32,990 30,485

bay anchovy 0 0 6,621 5,298 14,189 313,017 542,526 74,297 18,837 8,652 18,258 13,418 0 1,015,112 938,015

blue crab 0 251 10,036 4,632 15,833 18,756 4,554 8,210 32,520 2,209 288 0 0 97,291 89,902

conger eel 0 0 14,924 18,190 2,350 0 0 0 0 0 159 0 0 35,624 32,918

naked goby 1,259 5,802 3,689 3,298 2,304 10,561 19,615 3,069 3,223 13,062 14,016 8,676 4,491 93,065 85,997

northern pipefish 3,858 4,939 2,989 14,698 61,852 15,571 7,180 7,285 2,655 865 1,026 1,922 3,015 127,854 118,144

northern searobin 81 335 140 72 15,145 9,408 3,984 788 68 119 7 0 0 30,146 27,857

northern stargazer 0 0 0 0 18,737 11,372 605 92 0 0 0 0 0 30,805 28,466

other* 11,183 13,640 15,455 14,575 63,267 17,952 5,837 15,052 14,742 12,180 37,324 11,523 10,182 242,910 224,461

oyster toadfish 0 0 0 232 1,088 26,238 3,842 789 967 509 0 0 0 33,664 31,108

scup 0 0 83 0 15,957 15,646 2,845 10,933 189,166 68,157 258,249 548,319 151 1,109,504 1,025,238

unknown flounder 161 67 302 161 1,010 903 103 1,988 39,254 49,924 1,593 119 222 95,808 88,532

unknown juvenile 276 181 0 764 57,575 2,825 407 32,671 0 0 0 0 0 94,700 87,507

Totals 19,249 34,079 56,296 63,222 400,101 525,269 599,936 156,475 303,593 156,695 332,586 584,962 20,855 3,253,318 3,006,230

Extrapolated for percent dead at time of impingement, collection efficiency, and inter-event water withdrawal.

*Other includes unknown , weakfish, winter flounder, seaboard goby, unknown sciaenid, summer flounder, Atlantic herring, spotted hake, unknown larvae, black sea bass, bluefish, cunner, threespine 

stickleback, grubby, rock gunnel, inshore lizardfish, blueback herring, Atlantic tomcod, banded gunnel, lined seahorse, red hake, windowpane flounder, smallmouth flounder, silver hake, American sand 

lance, pollock, American eel, northern puffer, unknown guppy, unknown goby, alewife, striped bass, fourspot flounder, spotfin butterflyfish, Atlantic croaker, feather blenny, unknown eel, rainbow smelt, 

striped searobin, gulfstream flounder, striped cusk eel, unknown searobin, Atlantic cutlassfish, unknown hake, mummichog, fancytail guppy, bluegill, tautog, white hake, fourbeard rockling, gizzard 

shad, northern pike, banded killifish, Atlantic thread herring, inland silverside, goosefish, pinfish, unknown fundulid, Atlantic needlefish, unknown gunnel, smooth flounder, unknown serranid, unknown 

silverside, striped killifish, unknown jack, paperbones, white perch, unknown catfish, American shad, banded rudderfish, unknown mackerel, lookdown, Atlantic moonfish, winter skate
Table 6-3 Lengths of Individual Species Impinged - Astoria Generating Station (March 2006 - March 2007)

Species Average Minimum Maximum

Common Name Individual Length (cm) Individual Length (cm) Individual Length (cm)

alewife 7.15 3.5 10

American eel 10.54 5.7 18

American sand lance 6.58 3.9 7

American shad 10.20 10.2 10.2

Atlantic butterfish 2.39 0.9 11.9

Atlantic croaker 4.60 3.1 6.3

Atlantic cutlassfish 9.90 9 11

Atlantic herring 4.27 2 10.6

Atlantic menhaden 3.81 1.6 9.5

Atlantic moonfish 5.00 5 5

Atlantic needlefish 4.20 4.2 4.2

Atlantic silverside 5.73 2 26.5

Atlantic thread herring 10.20 8.2 12.2

Atlantic tomcod 4.58 2.8 11

banded gunnel 8.70 6 13.1

banded killifish 1.70 1.5 1.9

banded rudderfish 9.10 9.1 9.1

bay anchovy 3.90 0.3 3.7

black seabass 6.65 1.2 12.2

blue crab 5.43 0.1 120

blueback herring 8.75 2.8 38

bluefish 5.28 3.2 9

bluegill 10.45 10.1 10.8

Conger eel 10.37 1.3 50

cunner 6.36 1.4 14.1

fancytail guppy 2.00 1.7 2.3

feather blenny 4.45 1.8 7.5

fourbeard rockling 2.30 1 3.6

fourspot flounder 9.86 2.1 27

gizzard shad 9.20 9.2 9.2

goosefish 5.75 5 6.5

grubby 7.00 1.3 14

gulfstream flounder 1.76 1.5 2.1

guppy 2.77 2 4.3

inland silverside 4.10 4.1 4.1

inshore lizardfish 5.80 0.4 20.2

lined seahorse 8.85 4.1 11.2

lookdown 9.50 9.5 9.5

mummichog 3.55 2.3 4.9

naked goby 3.10 0.1 5.8

northern pike 20.95 19.7 22.2

northern pipefish 7.62 0.4 24.7

northern puffer 1.95 0.8 5.8

northern searobin 2.46 0.8 19.3

northern stargazer 1.80 0.2 3.2

oyster toadfish 2.85 0.6 14.1

paperbones 4.30 4.3 4.3

pinfish 14.50 14.5 14.5

Poecillidae 2.63 2 3.2

pollock 3.14 0.3 4.7
Table 6-3 Lengths of Individual Species Impinged - Astoria Generating Station (March 2006 - March 2007)

Species Average Minimum Maximum

Common Name Individual Length (cm) Individual Length (cm) Individual Length (cm)

rainbow smelt 3.40 3 3.9

red hake 10.56 3.5 31.3

rock gunnel 8.23 4.8 13.2

scup 2.47 0.1 23

seaboard goby 2.98 1.4 5

silver hake 9.30 5.3 17.5

smallmouth flounder 5.29 1.5 8

smooth flounder 5.10 4.6 5.6

spotfin butterflyfish 3.10 2.4 4.1

spotted hake 8.20 1.5 34.6

striped bass 8.00 5.2 11.2

striped cusk eel 6.00 6 6

striped cusk eel 8.28 5.7 14.7

striped killifish 3.40 3.4 3.4

striped searobin 4.71 1.6 8.5

summer flounder 4.28 0.9 18.3

tautog 12.23 5.6 19.5

threespine stickleback 4.32 1.5 7

unk flounder 1.20 1.2 1.2

unknown 2.67 0.4 14.2

unknown catfish 6.80 6.8 6.8

unknown eel 11.72 9.8 15.1

unknown flounder 1.66 0.5 8.9

unknown fundulid 4.40 4.4 4.4

unknown goby 2.53 1.1 4

unknown gunnel 10.10 8.7 11.5

unknown guppy 2.55 2.1 3

unknown hake 4.00 4 4

unknown jack 4.40 4.4 4.4

unknown juvenile 2.51 0.2 5

unknown larvae 3.09 0.9 5

unknown mackerel 6.90 6.9 6.9

unknown sciaenid 2.56 0.9 3.9

unknown searobin 2.00 1.5 2.5

unknown serranid 5.00 5 5

unknown silverside 4.30 4.3 4.3

weakfish 2.39 1.4 6

white hake 4.90 4 5.8

white perch 3.40 3.4 3.4

windowpane flounder 3.71 1.1 18

winter flounder 6.90 1.5 44.6

winter skate 42.50 42.5 42.5
Table 6-4

Total Study Period and Annualized Biomass by Species - Astoria Generating Station 

(March 2007 - March 2007)

Common Name

Total Study 

Period Fish 

Biomass (kg)

Annualized Fish 

Biomass (kg)

alewife 2 2

American eel 2 2

American sand lance 1 1

American shad 0 0

Atlantic butterfish 25 23

Atlantic croaker 1 0

Atlantic cutlassfish 0 0

Atlantic herring 4 4

Atlantic menhaden 81 75

Atlantic moonfish 0 0

Atlantic needlefish 0 0

Atlantic silverside 39 36

Atlantic thread herring 1 1

Atlantic tomcod 2 2

banded gunnel 5 4

banded killifish 0 0

banded rudderfish 0 0

bay anchovy 342 316

black seabass 28 26

blue crab 1949 1801

blueback herring 16 15

bluefish 8 8

bluegill 0 0

conger eel 47 44

cunner 35 32

fancytail guppy 0 0

feather blenny 2 1

fourbeard rockling 0 0

fourspot flounder 23 22

gizzard shad 1 1

goosefish 0 0

grubby 37 34

gulfstream flounder 0 0

inland silverside 0 0

inshore lizardfish 7 6

lined seahorse 4 4

lookdown 1 0

mummichog 0 0

naked goby 26 24

northern pike 1 0

northern pipefish 40 37

northern puffer 0 0

northern searobin 21 20

northern stargazer 4 4

oyster toadfish 29 26

paperbones 0 0

pinfish 0 0
Table 6-4

Total Study Period and Annualized Biomass by Species - Astoria Generating Station 

(March 2007 - March 2007)

Common Name

Total Study 

Period Fish 

Biomass (kg)

Annualized Fish 

Biomass (kg)

pollock 0 0

rainbow smelt 0 0

red hake 45 42

rock gunnel 8 8

scup 163 151

seaboard goby 5 5

silver hake 7 6

smallmouth flounder 3 3

smooth flounder 0 0

spotfin butterflyfish 0 0

spotted hake 89 82

striped bass 0 0

striped cusk eel 0 0

striped killifish 0 0

striped searobin 0 0

summer flounder 707 653

tautog 0 0

threespine stickleback 0 0

unknown 0 0

unknown catfish 0 0

unknown eel 0 0

unknown flounder 0 0

unknown fundulid 0 0

unknown goby 0 0

unknown gunnel 0 0

unknown guppy 0 0

unknown guppy 0 0

unknown hake 0 0

unknown jack 0 0

unknown juvenile 0 0

unknown larvae 1 1

unknown mackerel 0 0

unknown sciaenid 0 0

unknown searobin 0 0

unknown serranid 0 0

unknown silverside 0 0

weakfish 0 0

white hake 0 0

white perch 0 0

windowpane flounder 0 0

winter flounder 5 4

winter skate 0 0

Total 3821 3531

Study period values based on actual estimated water withdrawals from 

March 2006 through March 2007; annualized calculated by dividing study 

period results by 396 days and multiplying by 365 days
Table 6-5

Maximum Larval Lengths of Select Species and Families 

Species

Maximum Larval 

Length (cm) Comments

Alewife 4.2

American eel 8.5 (includes leptocephalus and elvers)

American shad 3.95

Atlantic butterfish 2.1

Atlantic herring 5.2

Atlantic menhaden 4.1

Atlantic needlefish 4.5

Atlantic silverside 2.05

Atlantic tomcod 2.3

Banded killifish 1.25

Bay anchovy 1.5

Black drum 3.5

Black sea bass 6.6

Blueback 4.5

Bluefish 2.6

Bluegill 3.89

Clupeids 3.9 ranges from 39-45

Conger eel 16

Feather blenny 1.2

Fourbeard rockling 4.8

Gizzard shad 3.5

Inshore lizardfish 4

Lamprey 4.5 (includes leptocephalus stage)

Largemouth bass 1.55

Lookdown 1.48

Mummichog 0.93

Naked goby 1.5

Northern kingfish 2.31

Northern pipefish 1.32

Northern puffer 3.5

Northern searobin 4

Northern stargazer 1.2

Sand lance 3.3

Sciaenids 2.6 ranges from 26-35

Scup 2.5

Seaboard goby 1.58

Silver hake 4.6

Smallmouth flounder 1.15

Spot 1.63

Spotfin butterflyfish 2.9

Spotted hake 9.77

Striped bass 2.9

Striped cusk eel 5.3

Striped killifish 1.5

Striped searobin 2.6

Summer flounder 1.8

Threespine stickleback 2.1

Weakfish 3.2

White perch 1.65

Windowpane flounder 1.3

Winter flounder 0.85

Yellow perch 2.17

Compiled from (Collette and MacPhee, 2002, Fahay, 1983, and Wang and Kernehan, 1980)
Table 6-6

Percent Larval Impingement by Species - Astoria Generating Station (March 2006 - March 2007)

Common Name

Larvae (% of Annualized 

Total Impinged)

alewife 9%

American eel 20%

American sand lance 0%

American shad 0%

Atlantic croaker 29%

Atlantic cutlassfish 0%

Atlantic herring 87%

Atlantic menhaden 71%

Atlantic moonfish 0%

Atlantic silverside 0%

Atlantic thread herring 0%

Atlantic tomcod 0%

banded gunnel 0%

banded killifish 0%

bay anchovy 0%

unknown serranid 0%

black seabass 44%

blue crab 0%

blueback herring 10%

bluefish 0%

bluegill 0%

American butterfish 44%

conger eel 99%

cunner 2%

striped cusk eel 0%

fancytail guppy 0%

feather blenny 0%

fourbeard rockling 100%

fourspot flounder 0%

gizzard shad 0%

goosefish 0%

grubby 0%

gulfstream flounder 0%

inland silverside 0%

inshore lizardfish 43%

lined seahorse 0%

longsnout seahorse 0%

lookdown 0%

mummichog 0%

naked goby 1%

Atlantic needlefish 100%

northern pike 0%

northern pipefish 0%

northern puffer 92%

northern searobin 88%

northern stargazer 7%

oyster toadfish 81%

paperbones 0%

pinfish 0%
Table 6-6

Percent Larval Impingement by Species - Astoria Generating Station (March 2006 - March 2007)

Common Name

Larvae (% of Annualized 

Total Impinged)

pollock 67%

porgy 100%

rainbow smelt 50%

red hake 17%

rock gunnel 0%

banded rudderfish 0%

scup 57%

seaboard goby 1%

silver hake 0%

Smallmouth flounder 0%

Smooth flounder 0%

spotfin butterfly 50%

spotfin butterflyfish 0%

spotted hake 63%

stargazer 0%

striped bass 0%

striped cusk eel 0%

striped killifish 0%

striped searobin 13%

summer flounder 36%

tautog 0%

threespine stickleback 26%

unknown 94%

unknown catfish 0%

unknown croaker or drum 98%

unknown eel 0%

unknown flounder 7%

unknown goby 20%

unknown gunnel 0%

unknown guppy 0%

unknown hake 100%

unknown jack 100%

unknown juvenile 0%

unknown larvae 54%

unknown mackrel 0%

unknown minnow 0%

unknown seahorse 0%

unknown searobin 100%

weakfish 94%

white hake 50%

white perch 0%

windowpane flounder 6%

winter flounder 0%

winter skate 0%

All species 30%
Table 6-7

Day-Night Impingement Sampling Event - Astoria Generating Station (March 2006 - March 2007)

Event ID/Date Percent Impinged (Dawn 

to Dusk)

Percent Impinged (Dusk 

to Dawn)

AST030806 30% 70%

AST031306 20% 80%

AST032006 19% 81%

AST032706 26% 74%

AST040306 72% 28%

AST041006 19% 81%

AST041706 13% 87%

AST042506 27% 73%

AST050106 27% 73%

AST050806 23% 77%

AST051506 29% 71%

AST052206 30% 70%

AST053006 36% 64%

AST060506 48% 52%

AST061206 23% 77%

AST061906 53% 47%

AST062606 55% 45%

AST070506 63% 37%

AST071006 15% 85%

AST071706 32% 68%

AST072406 37% 63%

AST072606 33% 67%

AST073106 34% 66%

AST080706 35% 65%

AST081406 21% 79%

AST081506 47% 53%

AST082106 15% 85%

AST082206 23% 77%

AST082806 33% 67%

AST090506 27% 73%

AST090606 89% 11%

AST091106 50% 50%

AST091806 31% 69%

AST092506 10% 90%

AST100206 9% 91%

AST100906 41% 59%

AST101606 66% 34%

AST102306 16% 84%

AST103006 19% 81%

AST110606 10% 90%

AST111306 15% 85%

AST112006 5% 95%

AST112106 12% 88%

AST112706 13% 87%

AST112806 13% 87%

AST120406 36% 64%

AST121106 24% 76%

AST121806 41% 59%

AST122806 10% 90%
Table 6-7

Day-Night Impingement Sampling Event - Astoria Generating Station (March 2006 - March 2007)

Event ID/Date Percent Impinged (Dawn 

to Dusk)

Percent Impinged (Dusk 

to Dawn)

AST010407 25% 75%

AST010807 23% 77%

AST011507 19% 81%

AST012207 48% 52%

AST012307 43% 57%

AST012907 17% 83%

AST020507 93% 7%

AST020607 17% 83%

AST021207 28% 72%

AST022007 36% 64%

AST022607 34% 66%

AST030507 14% 86%

AST031207 35% 65%

AST031907 33% 67%

All events 47% 53%
Table 7-1

Entrained Species by Common and Scientific Name with Total Annualized Entrainment - Astoria Generating 

Station (March 2006 - April 2007)

Common Name Scientific Name

Total Annualized 

Entrainment

tautog-cunner Tautoga onitis or Tautogolabrus adspersus 287,197,269

bay anchovy Anchoa mitchilli 119,802,556

seaboard goby Gobiosoma ginsburgi 56,823,102

Atlantic menhaden Brevoortia tyrannus 55,203,107

fourbeard rockling Enchelyopus cimbrius 25,262,766

silver hake-scupweakfish*Merluccius bilinearis -Stenotomus chrysops -

Cynoscion regalis 23,561,777

winter flounder Pseudopleuronectes americanus 10,181,209

rockling-hake-butterfish* Enchelyopus sp.-Urophycis sp.-Peprilus sp. 9,416,362

grubby Myoxocephalus aenaeus 9,384,490

unknown searobin Prionotus sp. 6,194,208

windowpane flounder Scophthalmus aquosus 5,036,670

weakfish Cynoscion regalis 4,250,684

codfishes Gadidae 3,919,108

unknown flounder

Paralichthys oblongus or Scophthalmus 

aquosus 2,978,996

unidentified fragment NA 2,730,815

feather blenny Hypsoblennius hentzi 1,790,545

northern pipefish Syngnathus fuscus 947,328

rock gunnel Pholis gunnellus 796,456

smallmouth flounder Etropus microstomus 505,000

Atlantic mackerel Scomber scombrus 492,293

summer flounder Paralichthys dentatus 476,148

tautog Tautoga onitis 461,146

Atlantic silverside Menidia menidia 459,922

cunner Tautogolabrus adspersus 316,434

Silver hake Merluccius bilinearis 277,931

American sand lance Ammodytes hexapterus 253,567

unknown NA 221,923

unidentified NA 160,278

American eel Anguilla rostrata 90,360

unknown anchovy Anchoa sp. 81,372

Inshore Lizardfish Synodus foetens 73,015

Atlantic butterfish Peprilus triacanthus 60,295

Scup Stenotomus chrysops 58,956

Atlantic herring Clupea harengus 56,303

unidentified clupeid Clupiedae 49,316

oyster toadfish Opsanus tau 36,286

longhorn sculpin Myoxocephalus octodecemspinosus 34,932

striped anchovy Anchoa hepsetus 34,521

blueback herring Alosa aestivalis 24,658

Atlantic cod Gadus morhua 23,014

hogchoker Achirus fasciatus 20,274

black seabass Centropristis striata 15,172

unknown hake Urophycis sp. 15,027

blue crab Callinectes sapidus 11,096

striped searobin Prionotus evolans 10,430

unknown goby Gobiosoma sp. 9,041

Lined Seahorse Hippocampus erectus 8,192

northern kingfish Menticirrhus saxatilis 6,732

mummichog Fundulus heteroclitus 6,575

Northern Searobin Prionotus carolinus 4,493
Table 7-2

Day-Night Entrainment by Life Stage - Astoria Generating Station (March 2006 - April 2007)

Event D N D N D N D N D N D N

AST010407 0.00 0.00 0.14 0.56 0.00 0.00 0.00 0.00 0.00 0.00 0.14 0.56

AST012207 0.00 1.88 2.26 7.53 0.00 1.51 0.00 1.51 0.00 0.00 2.26 12.42

AST020507 1.48 0.85 2.33 5.08 0.00 0.42 0.00 0.00 0.00 0.21 3.81 6.56

AST022007 9.88 3.11 3.67 2.26 0.00 0.28 0.28 0.00 0.00 0.00 13.83 5.65

AST030507 26.54 3.11 13.55 3.67 0.00 0.00 0.00 0.00 0.00 0.00 40.09 6.78

AST030806 9.03 4.52 0.00 0.00 0.00 13.55 0.00

AST031907 32.75 21.03 4.23 8.05 0.00 0.00 0.00 0.00 0.00 0.00 36.98 29.08

AST032706 98.94 76.78 15.02 11.29 0.00 0.00 0.00 0.00 0.00 0.00 113.96 88.08

AST040207 57.73 41.36 10.30 11.86 0.00 0.00 0.00 0.28 0.00 0.00 68.03 53.49

AST040306 47.93 38.39 9.36 16.84 0.00 0.00 0.00 0.00 0.00 0.00 57.29 55.24

AST041006 21.96 12.70 10.01 14.40 0.00 0.00 0.00 0.00 0.00 0.00 31.96 27.10

AST041706 14.74 11.86 5.86 5.50 0.00 0.00 0.00 0.00 0.00 0.00 20.60 17.36

AST042506 30.49 31.33 5.08 9.60 0.00 0.00 0.00 0.00 0.00 0.00 35.57 40.93

AST050106 26.25 15.11 1.61 0.56 0.00 0.00 0.00 0.28 0.00 0.00 27.87 15.94

AST050806 307.70 80.49 1.35 3.95 0.00 0.00 0.00 0.00 0.00 0.00 309.05 84.45

AST051506 469.46 40.65 22.87 6.49 0.00 0.00 0.00 0.00 0.00 0.00 492.32 47.14

AST052206 417.16 210.59 6.84 52.00 0.00 0.00 0.00 0.26 0.00 0.00 424.00 262.84

AST053006 290.11 71.70 6.93 3.67 0.00 0.00 0.00 0.00 0.00 0.00 297.04 75.37

AST060506 577.29 373.76 2.82 20.33 0.00 0.00 0.00 0.00 0.00 0.00 580.12 394.08

AST061206 531.28 235.31 171.64 48.47 0.00 0.00 0.00 0.00 0.00 0.00 702.91 283.79

AST061906 847.78 392.50 93.49 196.13 0.00 0.26 0.00 0.00 0.00 0.00 941.26 588.89

AST062606 843.50 624.26 42.34 24.31 0.00 0.00 0.00 0.00 0.00 0.00 885.84 648.57

AST070506 336.07 428.63 20.64 72.52 0.00 0.00 0.00 0.00 0.00 0.00 356.72 501.15

AST071006 653.79 273.83 85.82 68.32 0.00 0.00 0.00 0.00 0.00 0.00 739.61 342.14

AST071706 365.92 501.36 68.46 92.59 0.00 0.00 0.00 0.00 0.00 0.00 434.39 593.95

AST072406 383.36 90.90 44.04 33.31 0.00 0.00 0.00 0.56 0.00 0.00 427.39 124.77

AST073106 41.78 155.83 37.26 127.03 1.69 9.03 0.00 0.00 0.00 0.00 80.74 291.89

AST080706 23.71 50.25 80.17 164.86 9.03 16.94 0.00 0.00 0.00 0.00 112.92 232.05

AST081406 25.41 1.69 16.94 149.90 1.69 33.03 0.00 0.00 0.00 0.00 44.04 184.62

AST082106 8.87 3.21 40.46 202.94 9.32 158.42 0.00 0.44 0.00 0.00 58.65 365.01

AST082806 1.34 0.00 7.49 98.29 2.32 24.55 0.00 0.00 0.00 0.00 11.15 122.84

AST090506 0.42 0.14 15.24 10.44 3.53 12.99 0.00 0.28 0.00 0.00 19.20 23.85

AST091106 0.26 0.90 16.72 236.73 12.22 53.67 0.13 0.64 0.26 0.85 29.58 292.79

AST091806 1.91 2.35 18.45 102.68 2.35 18.27 0.00 0.12 0.00 0.00 22.72 123.42

AST092506 0.28 0.28 0.56 0.00 0.00 1.13 0.00

AST100206 0.00 0.00 0.00 0.00 0.00 0.00 0.00

AST101606 0.56 2.26 0.85 3.67 0.00 1.13 0.00 0.00 0.00 0.00 1.41 7.06

AST103006 0.00 0.00 25.12 20.89 2.26 25.69 0.00 0.85 0.00 1.69 27.38 49.12

AST110606 0.00 0.28 5.65 66.34 0.99 12.14 0.00 0.00 1.41 0.00 8.05 78.76

AST111306 0.00 0.00 0.75 2.26 0.00 0.00 0.00 0.00 0.00 0.00 0.75 2.26

AST112006 0.00 0.00 0.42 0.85 0.00 0.00 0.00 0.00 0.00 0.00 0.42 0.85

AST112706 0.00 0.00 0.56 2.38 0.00 9.52 0.00 0.00 0.00 0.00 0.56 11.90

AST120406 0.00 0.00 0.19 13.55 1.32 10.35 0.00 0.00 2.82 0.00 4.33 23.90

AST121806 0.00 0.00 0.99 0.71 0.00 0.71 0.00 0.00 0.00 0.00 0.99 1.41

All Events 6505.69 3798.39 922.73 1922.80 47.28 388.90 0.41 5.21 4.49 2.76 7480.60 6118.06

Eggs Larvae Juveniles Adult Unk/Unid. All Lifestages
Table 7-3

Entrained Shellfish by Common and Scientific Name with Total Annualized Entrainment - Astoria Generating 

Station (March 2006 - April 2007)

Common Name Scientific Name

Total Annualized 

Entrainment

Asian shore crab Hemigrapsus sanguineus 34,498,910

bivalve 11,154,151

blue crab Callinectes sapidus 73,974

common mud crab Panopeus herbstii 65,755

flat-back mud crab Eurypanopeus depressus 3,790,567

horseshoe crab Limulus polyphemus 24,658

long wrist hermit crab Pagurus longicarpus 236,279

narrow mud crab Hexapanopeus angustifrons 2,389,392

pinnixa small crab Pinnaxa cylindrica 302,472

purple marsh crab Sesarma reticulatum 678,701

red-jointed fiddler crab Uca minax 4,800,796

rock crab Cancer irroratus 366,404

sand shrimp Crangon septemspinosa 42,741

say mud crab Neopanope texana sayi 6,103,642

spider crab Libinia spp. 52,604

unknown 1,678,010

unknown crab 16,439