1

Appendix B: NEEAR data used for comparison to EPA’s epidemiological

studies from the late 1970s and early 1980s
2

Table 1. Huntington Beach

Beach Dates

Daily geometric mean enterococci density (cfu per /100 mL) 1

Total number interviewed2

Number reporting no water contactNumber reporting immersionNumber reporting NGI, no contactNumber reporting NGI, immersionIll proportion ( per 1,000) among nonswimmers

Ill proportion ( per 1,000) among swimmersExcess NGI, swimmers ( per 1,000), daily nonswimmer illness rate

Excess NGI, swimmers ( per 1,000), beach average non-swimmer 

illness rate

HB 8/2/2003 28.9 188 77 76 12 8 155.84 105.26 -50.58 9.50

HB 8/3/2003 66.4 122 88 7 9 1 102.27 142.86 40.58 47.09

HB 8/9/2003 40.4 169 83 53 11 5 132.53 94.34 -38.19 -1.43

HB 8/10/2003 55.4 295 131 100 9 15 68.70 150.00 81.30 54.23

HB 8/16/2003 12.2 183 97 50 10 9 103.09 180.00 76.91 84.23

HB 8/23/2003 7.8 252 143 71 9 11 62.94 154.93 91.99 59.16

HB 8/24/2003 5.2 307 144 105 19 11 131.94 104.76 -27.18 9.00

HB 8/30/2003 290.7 264 165 36 17 7 103.03 194.44 91.41 98.68

HB 8/31/2003 9.6 293 170 80 12 14 70.59 175.00 104.41 79.23

HB 9/6/2003 4.0 158 105 23 7 1 66.67 43.48 -23.19 -52.29

HB 9/7/2003 4.9 266 177 58 17 6 96.05 103.45 7.40 7.68

HB 9/13/2003 11.0 155 77 41 9 5 116.88 121.95 5.07 26.19

HB 9/14/2003 10.3 188 78 57 6 8 76.92 140.35 63.43 44.59 1 Typically based on 18-27 data points 2 Total number interviewed = Number reporting no contact + number reporting immersion + number reporting wading (not shown)
3

Table 2. West Beach

Beach Dates

Daily geometric mean enterococci density (cfu per 100 mL) 1Total number interviewed2

Number reporting no water contactNumber reporting immersionNumber reporting NGI, no contactNumber reporting NGI, immersionIll proportion ( per 1,000) among nonswimmers

Ill proportion ( per 

1,000) among swimmers

Excess NGI, swimmers ( per 1,000), daily nonswimmer illness rateExcess NGI, swimmers ( per 1,000), beach average non-swimmer illness rate

WB 6/1/2003 27.9 43 33 3 2 0 60.61 0.00 -60.61 -49.86

WB 6/7/2003 1.4 186 97 46 6 1 61.86 21.74 -40.12 -28.12

WB 6/8/2003 6.8 58 34 7 0 1 0.00 142.86 142.86 93.00

WB 6/14/2003 1.3 104 66 18 4 1 60.61 55.56 -5.05 5.69

WB 6/15/2003 2.3 172 91 58 4 5 43.96 86.21 42.25 36.35

WB 6/21/2003 0.8 85 37 30 2 7 54.05 233.33 179.28 183.47

WB 6/22/2003 1.0 148 19 112 1 9 52.63 80.36 27.73 30.50

WB 6/28/2003 10.6 66 31 23 0 1 0.00 43.48 43.48 -6.38

WB 6/29/2003 9.5 145 35 84 1 12 28.57 142.86 114.29 93.00

WB 7/4/2003 26.7 139 27 107 2 7 74.07 65.42 -8.65 15.56

WB 7/5/2003 13.6 160 20 114 0 6 0.00 52.63 52.63 2.77

WB 7/6/2003 3.0 134 11 96 0 13 0.00 135.42 135.42 85.56

WB 7/12/2003 1.6 201 25 134 3 19 120.00 141.79 21.79 91.93

WB 7/13/2003 5.6 123 9 99 0 2 0.00 20.20 20.20 -29.66

WB 7/19/2003 1042.1 226 47 135 3 12 63.83 88.89 25.06 39.03

WB 7/20/2003 21.1 281 41 189 4 21 97.56 111.11 13.55 61.25

WB 7/26/2003 37.5 243 27 179 1 28 37.04 156.42 119.39 106.56

WB 7/27/2003 34.5 84 43 30 1 2 23.26 66.67 43.41 16.81

WB 8/2/2003 11.7 174 15 141 1 17 66.67 120.57 53.90 70.71

WB 8/3/2003 3.2 92 14 62 1 5 71.43 80.65 9.22 30.78
4

Table 3. Silver Beach

Beach Dates

Daily geometric mean enterococci density (cfu per 100 mL) 1

Total number interviewed2

Number reporting no water contactNumber reporting immersionNumber reporting NGI, no contactNumber reporting NGI, immersionIll proportion ( per 1,000) among nonswimmers

Ill proportion ( per 1,000) among swimmersExcess NGI, swimmers ( per 1,000), daily nonswimmer illness rateExcess NGI, swimmers ( per 1,000), beach average non-swimmer illness rate

SB† 6/26/2004 5.7 409 162 156 10 10 61.73 64.10 2.37 8.38

SB 6/27/2004 11.1 466 115 281

5 18 43.48 64.06 20.58 8.34

SB 7/3/2004 17.3 622 91 402

7 32 76.92 79.60 2.68 23.88

SB 7/4/2004 185.6 325 252 30

55 19.84 166.67 146.83 110.95

SB 7/5/2004 14.0 599 296 222 16 17 54.05 76.58 22.52 20.86

SB 7/10/2004 8.5 455 58 334

6 27 103.45 80.84-22.61 25.12

SB 7/11/2004 24.6 566 75 409

7 31 93.33 75.79-17.54 20.07

SB 7/17/2004 29.5 618 234 279 14 31 59.83 111.11 51.28 55.39

SB 7/18/2004 50.0 603 204 327 12 22 58.82 67.28 8.45 11.56

SB 7/24/2004 59.5 554 220 190 13 12 59.09 63.16 4.07 7.44

SB 7/25/2004 80.4 474 194 156 10 12 51.55 76.92 25.38 21.20

SB 7/31/2004 104.3 128 104

770 67.31 0.00-67.31-55.72

SB 8/1/2004 47.2 483 76 345

2 35 26.32 101.45 75.13 45.73

SB 8/7/2004 20.8 729 252 359 15 18 59.52 50.14

-9.38-5.58

SB 8/8/2004 17.9 516 101 310

8 22 79.21 70.97-8.24 15.25

SB 8/14/2004 55.5 383 138 173 10 14 72.46 80.92 8.46 25.20

SB 8/15/2004 45.5 502 170 246

9 15 52.94 60.98 8.03 5.26

SB 8/21/2004 101.4 443 119 259

3 15 25.21 57.92 32.70 2.19

SB 8/22/2004 22.9 469 243 142 13 18 53.50 126.76 73.26 71.04

SB 9/3/2004 28.3 185 35 116

27 57.14 60.34 3.20 4.62

SB 9/4/2004 30.3 561 61 415

3 33 49.18 79.52 30.34 23.80

SB 9/5/2004 127.0 484 96 318

3 28 31.25 88.05 56.80 32.33

SB 9/6/2004 73.1 298 78 175

88 102.56 45.71-56.85-10.01
5

Table 4. Washington Park Beach

Beach Dates

Daily geometric mean enterococci density (cfu per100 mL) 1

Total number interviewed2

Number reporting no water contactNumber reporting immersionNumber reporting NGI, no contactNumber reporting NGI, immersionIll proportion ( per 1,000) among nonswimmers

Ill proportion ( per 1,000) among swimmersExcess NGI, swimmers ( per 1,000), daily nonswimmer illness rateExcess NGI, swimmers ( per 1,000), beach average non-swimmer illness rate

WP 6/26/2004 8.36 235 98 93

64 61.22 43.01-18.21-19.84

WP 6/27/2004 9.18 251 72 124

7 15 97.22 120.97 23.75 58.12

WP 7/3/2004 17.9 188 49 104

4 11 81.63 105.77 24.14 42.92

WP 7/4/2004 15.4 187 52 105

37 57.69 66.67 8.97 3.82

WP 7/5/2004 95 371 148 167

8 13 54.05 77.84 23.79 15.00

WP 7/10/2004 37.5 215 39 144

3 18 76.92 125.00 48.08 62.15

WP 7/11/2004 27.6 184 48 110

5 10 104.17 90.91-13.26 28.06

WP 7/17/2004 30.1 172 46 96

46 86.96 62.50-24.46-0.35

WP 7/18/2004 43.0 177 72 87

48 55.56 91.95 36.40 29.11

WP 7/24/2004 35.2 154 81 49

4 12 49.38 244.90 195.52 182.05

WP 7/25/2004 26.0 209 89 83

37 33.71 84.34 50.63 21.49

WP 8/1/2004 7.61 236 28 181

2 11 71.43 60.77-10.66-2.07

WP 8/7/2004 43.0 234 69 121

6 10 86.96 82.64-4.31 19.80

WP 8/8/2004 28.8 276 40 181

3 14 75.00 77.35 2.35 14.50

WP 8/14/2004 39.9 78 42 10

10 23.81 0.00-23.81-62.85

WP 8/15/2004 37.4 236 73 132

5 10 68.49 75.76 7.26 12.91

WP 8/21/2004 24.9 169 65 84

17 15.38 83.33 67.95 20.49

WP 8/22/2004 22.2 176 33 104

19 30.30 86.54 56.24 23.69

WP 9/3/2004 25.7 14

4810 250.00 0.00-250.00-62.85

WP 9/4/2004 14.4 238 37 175

2 18 54.05 102.86 48.80 40.01

WP 9/5/2004 28.4 266 53 165

3 11 56.60 66.67 10.06 3.82

WP 9/6/2004 32.8 78 19 37

35 157.89 135.14-22.76 72.29
6

Table 5. Edgewater Beach

Beach Dates

Daily geometric mean enterococci density (cfu per100 mL) 1Total number interviewed2

Number reporting no water contactNumber reporting immersionNumber reporting NGI, no contactNumber reporting NGI, immersionIll proportion ( per 1,000) among nonswimmers

Ill proportion ( per 

1,000) among swimmersExcess NGI, swimmers ( per 1,000), daily nonswimmer illness rate

Excess NGI, swimmers ( per 1,000), beach average non-swimmer illness rate

EB 6/4/2005 23.77 75 24 27 0 7 0.0 259.3 259.3 175.0

EB 6/5/2005 16.76 58 28 13 3 2 107.1 153.8 46.7 69.6

EB 6/18/2005 68.06 44 16 6 1 0 62.5 0.0 -62.5 -84.2

EB 6/19/2005 15.34 102 37 37 4 4 108.1 108.1 0.0 23.9

EB 6/25/2005 12.01 68 15 31 0 3 0.0 96.8 96.8 12.6

EB 6/26/2005 3.08 79 15 33 0 2 0.0 60.6 60.6 -23.6

EB 7/2/2005 22.66 67 23 22 2 4 87.0 181.8 94.9 97.6

EB 7/3/2005 7.77 105 28 24 5 5 178.6 208.3 29.8 124.1

EB 7/4/2005 17.09 92 32 27 4 1 125.0 37.0 -88.0 -47.2

EB 7/16/2005 88.75 64 11 34 1 5 90.9 147.1 56.1 62.8

EB 7/17/2005 3.86 40 17 6 1 0 58.8 0.0 -58.8 -84.2

EB 7/23/2005 10.78 66 23 22 2 2 87.0 90.9 4.0 6.7

EB 7/24/2005 3.91 52 17 20 1 0 58.8 0.0 -58.8 -84.2

EB 7/30/2005 0.66 98 21 34 1 2 47.6 58.8 11.2 -25.4

EB 7/31/2005 1.37 79 20 13 5 2 250.0 153.8 -96.2 69.6

EB 8/6/2005 19.36 47 8 13 0 1 0.0 76.9 76.9 -7.3

EB 8/7/2005 4.10 49 13 21 0 3 0.0 142.9 142.9 58.6

EB 8/13/2005 2.05 58 14 14 0 1 0.0 71.4 71.4 -12.8

EB 8/14/2005 2.50 38 8 11 1 3 125.0 272.7 147.7 188.5

EB 8/20/2005 1.20 28 9 9 0 0 0.0 0.0 0.0 -84.2

EB 8/21/2005 4.05 34 1 12 1 0 1,000.0 0.0 -1,000.0 -84.2
7

Table 6. Fairhope Beach

Beach Dates

Daily geometric mean enterococci

density (cfu per100 1

Total number interviewed2

Number reporting no water contactNumber reporting immersionNumber reporting NGI, no contactNumber reporting NGI, immersionIll proportion ( per 1,000) among nonswimmers

Ill proportion ( per 1,000) among swimmers

Excess NGI, swimmers ( per 1,000), daily nonswimmer illness rateExcess NGI, swimmers ( per 1,000), beach average nonswimmer illness rate

FB† 5/19/2007 15.07 154 85 33 8 1 94.12 30.30 -63.81 -56.45

FB 5/20/2007 2.69 183 98 44 12 3 122.45 68.18 -54.27 -18.57

FB 5/25/2007 6.71 81 47 11 4 0 85.11 0.00 -85.11 -86.75

FB 5/26/2007 8.43 145 64 50 3 2 46.88 40.00 -6.88 -46.75

FB 5/27/2007 13.80 126 28 54 2 5 71.43 92.59 21.16 5.84

FB 5/28/2007 13.76 100 35 30 6 2 171.43 66.67 -104.76 -20.09

FB 6/2/2007 230.10 106 48 37 4 3 83.33 81.08 -2.25 -5.67

FB 6/3/2007 27.05 73 26 16 2 2 76.92 125.00 48.08 38.25

FB 6/9/2007 25.41 64 28 17 1 2 35.71 117.65 81.93 30.89

FB 6/10/2007 18.88 99 28 43 1 1 35.71 23.26 -12.46 -63.50

FB 6/16/2007 78.55 110 46 44 3 8 65.22 181.82 116.60 95.07

FB 6/17/2007 143.73 104 57 24 4 0 70.18 0.00 -70.18 -86.75

FB 6/23/2007 23.00 66 22 27 1 3 45.45 111.11 65.66 24.36

FB 6/24/2007 76.43 57 22 19 5 5 227.27 263.16 35.89 176.41

FB 6/30/2007 27.44 49 22 11 0 3 0.00 272.73 272.73 185.97

FB 7/1/2007 10.02 71 22 34 2 7 90.91 205.88 114.97 119.13

FB 7/4/2007 45.61 97 39 37 4 4 102.56 108.11 5.54 21.36

FB 7/7/2007 10.45 43 12 16 0 2 0.00 125.00 125.00 38.25

FB 7/8/2007 48.85 78 28 34 1 0 35.71 0.00 -35.71 -86.75

FB 7/14/2007 70.22 50 19 22 1 1 52.63 45.45 -7.18 -41.30

FB 7/15/2007 59.71 27 7 8 1 1 142.86 125.00 -17.86 38.25

FB 7/21/2007 12.20 25 11 8 1 0 90.91 0.00 -90.91 -86.75

FB 7/22/2007 6.88 55 28 11 4 4 142.86 363.64 220.78 276.88

FB 7/28/2007 14.59 22 7 11 0 3 0.00 272.73 272.73 185.97

FB 7/29/2007 4.72 30 24 4 4 0 166.67 0.00 -166.67 -86.75
8

Table 7. Goddard Beach

Beach Dates

Daily geometric mean enterococci density (cfu per100 mL) 1

Total number interviewed2

Number reporting no water contactNumber reporting immersionNumber reporting NGI, no contactNumber reporting NGI, immersionIll proportion ( per 1,000) among nonswimmers

Ill proportion ( per 1,000) among swimmersExcess NGI, swimmers ( per 1,000), daily nonswimmer illness rateExcess NGI, swimmers ( per 1,000), beach average non-swimmer illness rate

GB 6/23/2007 3.26 160 98 21 4 0 40.82 0.00 -40.82 -46.09

GB 6/24/2007 1.03 170 105 28 4 3 38.10 107.14 69.05 61.06

GB 6/30/2007 1.29 119 64 25 5 2 78.13 80.00 1.88 33.91

GB 7/1/2007 6.29 156 108 19 3 2 27.78 105.26 77.49 59.18

GB 7/4/2007 4.90 200 118 54 5 1 42.37 18.52 -23.85 -27.57

GB 7/7/2007 4.29 135 63 31 0 0 0.00 0.00 0.00 -46.09

GB 7/8/2007 0.71 184 58 95 1 3 17.24 31.58 14.34 -14.51

GB 7/14/2007 1.95 151 65 48 0 4 0.00 83.33 83.33 37.25

GB 7/15/2007 0.61 162 64 61 5 7 78.13 114.75 36.63 68.67

GB 7/21/2007 4.89 74 49 9 2 0 40.82 0.00 -40.82 -46.09

GB 7/22/2007 2.32 146 83 38 5 4 60.24 105.26 45.02 59.18

GB 7/28/2007 4.83 90 35 40 0 1 0.00 25.00 25.00 -21.09

GB 7/29/2007 2.94 63 31 12 1 0 32.26 0.00 -32.26 -46.09

GB 8/4/2007 10.23 144 34 79 0 8 0.00 101.27 101.27 55.18

GB 8/5/2007 22.95 156 72 53 5 4 69.44 75.47 6.03 29.39

GB 8/11/2007 2.88 81 42 16 4 0 95.24 0.00 -95.24 -46.09

GB 8/12/2007 2.26 101 36 33 3 3 83.33 90.91 7.58 44.82

GB 8/18/2007 2.91 87 64 8 1 0 15.63 0.00 -15.63 -46.09

GB 8/19/2007 3.05 77 67 3 5 0 74.63 0.00 -74.63 -46.09

GB 8/25/2007 3.28 73 21 27 1 0 47.62 0.00 -47.62 -46.09

GB 8/26/2007 1.78 103 71 23 4 2 56.34 86.96 30.62 40.87

GB 9/1/2007 38.72 65 57 3 3 0 52.63 0.00 -52.63 -46.09

GB 9/2/2007 6.32 101 80 5 5 1 62.50 200.00 137.50 153.91

GB 9/3/2007 13.66 170 99 48 7 3 70.71 62.50 -8.21 16.41