Area Designations for the 2010 SO2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO2 Emitted in 2012 or

2,600 Tons of SO2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO2 per mmBtu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations.

Page 1 of 4

EPA 

Region State County Facility Name

2012 SO2

Emissions (Tons)

2012 Average SO2

Emissions Rate 

(lbs/mmBtu)

6 AR Independence Independence Power Plant 32,974 0.59

6 AR Jefferson White Bluff Power Plant 31,687 0.59

8 CO El Paso Martin Drake Power Plant 4,792 0.56

8 CO Morgan Pawnee Generating station 13,510 0.76

4 GA Bartow Robert W Scherer Power Plant (Plant Scherer) 42,349 0.37

7 IA Des Moines Burlington Generating Station 4,697 0.67

7 IA Wapello Ottumwa Generating Station 11,985 0.67

7 IA Woodbury George Neal Station South 14,273 0.64

5 IL Jasper Newton Power Station 16,519 0.59

5 IL Madison Wood River Power Station 6,756 0.48

5 IL Massac Joppa Steam Coal Power Plant 16,991 0.47

5 IL Putnam Hennepin Power Station 5,906 0.50

5 IL Williamson Marion Power Station 5,850 0.49

5 IN Gibson Gibson Generating Station 22,447 0.25

5 IN Jefferson Clifty Creek Power Plant 52,839 1.77

5 IN LaPorte Michigan City Generating Station 11,584 1.01

5 IN Posey A B Brown Generating Station 7,091 0.52

5 IN Spencer Rockport Power Plant/Rockport Generating Station 54,390 0.58

7 KS Linn La Cygne Generating Station 16,235 0.36

7 KS Shawnee Tecumseh Energy Center 3,979 0.58

7 KS Wyandotte Nearman Creek Power Station 4,612 0.64

4 KY Ohio D B Wilson Generating Station 7,387 0.45
Area Designations for the 2010 SO2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO2 Emitted in 2012 or

2,600 Tons of SO2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO2 per mmBtu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations.

Page 2 of 4

EPA 

Region State County Facility Name

2012 SO2

Emissions (Tons)

2012 Average SO2

Emissions Rate 

(lbs/mmBtu)

4 KY Pulaski John S Cooper Power Station 7,428 1.07

6 LA

Mansfield/

De Soto Parish Dolet Hills Power Station 20,887 0.80

6 LA

Westlake/

Calcasieu Parish Nelson Industrial Steam Company 6,706 0.69

6 LA

Westlake/

Calcasieu Parish R S Nelson Generating Plant 12,513 0.46

3 MD Anne Arundel Herbert A Wagner Generating Station 7,514 1.10

5 MI Bay Dan E Karn/JC Weadock Generating Complex 6,853 0.54

5 MI Eaton Erickson Power Plant 2,685 0.64

5 MI Ingham Eckert Power Station 3,677 0.58

5 MI Marquette Presque Isle 6,028 0.51

5 MI Monroe Monroe Power Plant 49,151 0.62

5 MI Ottawa J H Campbell Generating Complex 21,501 0.52

5 MI St Clair Belle River Power Plant 24,869 0.62

5 MI St Clair St. Clair Power Plant 28,208 0.94

7 MO Franklin Labadie Power Plant 42,235 0.57

7 MO Jackson Sibley Generating Station 6,095 0.55

7 MO Scott Sikeston Power station 5,243 0.62

4 MS Lamar R D Morrow Senior Generating Plant 3,948 0.63

4 NC Brunswick CPI USA North Carolina Southport 2,923 0.74

8 ND McLean Coal Creek Station 16,273 0.34

8 ND Mercer Coyote Station 10,639 0.79
Area Designations for the 2010 SO2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO2 Emitted in 2012 or

2,600 Tons of SO2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO2 per mmBtu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations.

Page 3 of 4

EPA 

Region State County Facility Name

2012 SO2

Emissions (Tons)

2012 Average SO2

Emissions Rate 

(lbs/mmBtu)

8 ND Mercer Leland Olds Power Plant 38,323 2.06

7 NE Lancaster Sheldon Station 2,760 0.46

7 NE Lincoln Gerald Gentleman Station 26,438 0.59

7 NE Otoe Nebraska City Station 16,766 0.35

2 NY Erie NRG Huntley Generation Station 2,716 0.70

2 NY Niagara Kintigh Generating Station (AES Somerset LLC) 5,653 0.53

5 OH Clermont W H Zimmer Generating Station 11,975 0.53

5 OH Gallia General James M Gavin 31,269 0.36

6 OK Choctaw Hugo Plant 8,066 0.60

6 OK Muskogee Muskogee Generating Station 22,647 0.50

6 OK Noble Sooner Generating Station 15,029 0.50

8 SD Grant Big Stone Plant - Otter Tail Power Company 12,290 0.81

4 TN Sumner TVA: Gallatin Fossil Plant 21,732 0.62

6 TX Atascosa San Miguel Electric 10,950 0.63

6 TX Fort Bend W A Parish Electric Generating Station 37,861 0.49

6 TX Freestone Big Brown Power Plant 60,681 1.59

6 TX Goliad Coleto Creek Power Station 16,218 0.62

6 TX Lamb Tolk Generating Station 19,168 0.52

6 TX Leon Limestone Generating Station 20,671 0.36

6 TX McLennan Sandy Creek Energy Station 4,955 1.14

6 TX Milam Luminant Sandow Yorktown Power Plant 22,511 1.00

6 TX Potter Harrington Generating Station 15,383 0.46
Area Designations for the 2010 SO2 National Ambient Air Quality Standard to be Completed by July 2, 2016

Electric Power Plant Sources Exceeding the Emissions Thresholds Established by Court Order* of:

16,000 Tons of SO2 Emitted in 2012 or

2,600 Tons of SO2 Emitted in 2012 with an Average Emission Rate

of at least 0.45 pounds (lbs) SO2 per mmBtu

*Sources meeting the emissions thresholds that have announced units for retirement by March 2, 2015, are excluded from this round of designations.

Page 4 of 4

EPA 

Region State County Facility Name

2012 SO2

Emissions (Tons)

2012 Average SO2

Emissions Rate 

(lbs/mmBtu)

6 TX Robertson Optim Energy Twin Oaks Power Station 4,038 0.51

6 TX Rusk Luminant Power Plant at Martin Lake 43,093 0.55

6 TX Titus Monticello Steam Electric Station 31,447 0.78

5 WI Columbia Columbia Energy Center 24,599 0.60