E. C. GASTON ELECTRIC GENERATING PLANT
Quick Summary
- •Released 411,007 lbs of toxic chemicals to the environment in the most recent TRI reporting year.
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
31972 HIGHWAY 25 NORTH
WILSONVILLE, AL 35186
View on map ↗ - County
- SHELBY County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 13 · last Sep 30, 2025
- Total Penalties
- $0 · last Aug 24, 2015
- Registry ID
- 110000589097
How This Compares
Ranked by most recent year's total TRI releases.
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Qtrs Non-Compliant
TRI Toxic Chemical Releases
Annual pounds of each toxic chemical released to air, water, and land, as reported to the EPA Toxic Release Inventory. Carcinogen (♦) and PFAS designations are per EPA and IARC classifications.
| Year | Total Releases (lbs) | vs Prior Year |
|---|---|---|
| 2015 | 3,353,061 | — |
| 2016 | 738,016 | -78% |
| 2017 | 411,007 | -44% |
| 2018 | 419,658 | +2% |
| 2019 | 123,490 | -71% |
| 2020 | 36,703 | -70% |
| 2021 | 120,770 | +229% |
| 2022 | 50,529 | -58% |
| 2023 | 37,608 | -26% |
| 2024 | 37,614 | 0% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 12,000 | 12,000 | — | — | — | |
| Hydrogen fluoride | 8,200 | 8,200 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 7,700 | 7,700 | — | — | — | |
| Ammonia | 3,738 | 3,700 | 38 | — | 434 | |
| Copper compounds | 2,763 | 52 | 2,711 | — | 2,500 | |
| Nickel compounds | 925 | 77 | 488 | 360 | 2,100 | ♦ Carcinogen |
| Zinc compounds | 868 | 790 | 78 | — | 2,600 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 832 | 65 | 17 | 750 | 3,068 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 204 | 200 | 4 | — | 48,134 | |
| Manganese compounds | 199 | 84 | 40 | 75 | 9,100 | |
| Vanadium compounds | 77 | 77 | — | — | 5,400 | |
| Arsenic compounds | 50 | 40 | 10 | — | 3,680 | ♦ Carcinogen |
| Lead compounds | 44 | 28 | 16 | — | 1,140 | |
| Mercury compounds | 14 | 14 | — | — | 20 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,000 | 14,000 | — | — | — | |
| Hydrogen fluoride | 6,000 | 6,000 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,100 | 4,100 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 3,510 | 200 | 3,310 | — | 24,163 | |
| Ammonia | 3,223 | 3,200 | 23 | — | — | |
| Copper compounds | 2,874 | 58 | 2,816 | — | 1,300 | |
| Zinc compounds | 1,622 | 880 | 742 | — | 1,403 | |
| Nickel compounds | 927 | 86 | 381 | 460 | 1,201 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 829 | 73 | 6 | 750 | 1,611 | |
| Manganese compounds | 325 | 78 | 172 | 75 | 4,700 | |
| Vanadium compounds | 85 | 85 | — | — | 3,000 | |
| Arsenic compounds | 59 | 42 | 17 | — | 1,347 | ♦ Carcinogen |
| Lead compounds | 46 | 31 | 16 | — | 480 | |
| Mercury compounds | 8 | 7 | 0 | — | 8 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 15,000 | 15,000 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 10,000 | 10,000 | — | — | — | |
| Hydrogen fluoride | 7,900 | 7,900 | — | — | — | |
| Ammonia | 5,536 | 5,500 | 36 | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 4,780 | 250 | 4,530 | — | 220,570 | |
| Copper compounds | 2,888 | 69 | 2,819 | — | 15,000 | |
| Zinc compounds | 1,992 | 1,100 | 892 | — | 17,000 | |
| Nickel compounds | 961 | 110 | 371 | 480 | 13,000 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 846 | 89 | 7 | 750 | 17,018 | |
| Manganese compounds | 367 | 90 | 202 | 75 | 41,000 | |
| Vanadium compounds | 110 | 110 | — | — | 33,000 | |
| Arsenic compounds | 68 | 48 | 20 | — | 16,078 | ♦ Carcinogen |
| Lead compounds | 63 | 35 | 28 | — | 5,034 | |
| Mercury compounds | 18 | 17 | 0 | — | 111 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2021
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 65,000 | 65,000 | — | — | — | |
| Hydrogen fluoride | 18,000 | 18,000 | — | — | — | |
| Ammonia | 14,400 | 6,000 | 8,400 | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 12,000 | 12,000 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 3,760 | 320 | 3,440 | — | 100,110 | |
| Copper compounds | 2,931 | 110 | 2,821 | — | 8,100 | |
| Zinc compounds | 2,042 | 1,100 | 942 | — | 5,700 | |
| Nickel compounds | 971 | 130 | 391 | 450 | 6,000 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 878 | 120 | 8 | 750 | 7,605 | |
| Manganese compounds | 437 | 140 | 222 | 75 | 18,000 | |
| Vanadium compounds | 130 | 130 | — | — | 14,000 | |
| Arsenic compounds | 110 | 92 | 18 | — | 7,312 | ♦ Carcinogen |
| Lead compounds | 80 | 52 | 28 | — | 2,329 | |
| Cobalt compounds | 22 | 22 | — | — | 2,500 | ♦ Carcinogen |
| Mercury compounds | 9 | 9 | 0 | — | 48 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2020
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 14,000 | 14,000 | — | — | — | |
| Hydrogen fluoride | 6,400 | 6,400 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 4,300 | 4,300 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 3,170 | 320 | 2,850 | — | 24,007 | |
| Copper compounds | 2,911 | 89 | 2,822 | — | 1,625 | |
| Zinc compounds | 1,982 | 970 | 1,012 | — | 1,117 | |
| Ammonia | 1,308 | 1,300 | 8 | — | — | |
| Nickel compounds | 961 | 120 | 471 | 370 | 1,016 | ♦ Carcinogen |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 868 | 110 | 8 | 750 | 1,881 | |
| Manganese compounds | 427 | 120 | 232 | 75 | 3,045 | |
| Arsenic compounds | 173 | 89 | 84 | — | 2,490 | ♦ Carcinogen |
| Vanadium compounds | 120 | 120 | — | — | 2,945 | |
| Lead compounds | 72 | 46 | 25 | 0 | 908 | |
| Mercury compounds | 11 | 11 | 0 | — | 12 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2019
2018
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 300,000 | 300,000 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 35,000 | 35,000 | — | — | — | |
| Manganese compounds | 22,962 | 100 | 162 | 22,700 | 2,100 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 18,754 | 290 | 2,464 | 16,000 | 21,545 | |
| Hydrogen fluoride | 14,000 | 14,000 | — | — | — | |
| Zinc compounds | 8,782 | 1,700 | 682 | 6,400 | 1,400 | |
| Vanadium compounds | 7,370 | 170 | — | 7,200 | 3,400 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 5,106 | 140 | 266 | 4,700 | 2,979 | |
| Nickel compounds | 4,181 | 160 | 321 | 3,700 | 1,300 | ♦ Carcinogen |
| Ammonia | 2,622 | 2,600 | 22 | — | — | |
| Lead compounds | 844 | 65 | 12 | 768 | 3,148 | |
| Mercury compounds | 36 | 30 | 0 | 6 | 84 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2017
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 300,000 | 300,000 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 41,000 | 41,000 | — | — | — | |
| Manganese compounds | 18,769 | 87 | 82 | 18,600 | 1,700 | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 15,140 | 160 | 1,980 | 13,000 | 108,510 | |
| Hydrogen fluoride | 8,700 | 8,700 | — | — | — | |
| Zinc compounds | 7,972 | 1,300 | 872 | 5,800 | 2,900 | |
| Vanadium compounds | 5,620 | 120 | — | 5,500 | 3,200 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 4,716 | 120 | 196 | 4,400 | 2,745 | |
| Nickel compounds | 4,151 | 130 | 321 | 3,700 | 1,200 | ♦ Carcinogen |
| Ammonia | 2,517 | 2,500 | 17 | — | — | |
| Cobalt compounds | 1,544 | 24 | — | 1,520 | 790 | ♦ Carcinogen |
| Lead compounds | 860 | 61 | 14 | 785 | 5,352 | |
| Mercury compounds | 17 | 12 | 0 | 5 | 14 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2016
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Chlorine | — | — | — | — | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 640,000 | 640,000 | — | — | — | |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 24,000 | 24,000 | — | — | — | |
| Manganese compounds | 19,683 | 150 | 33 | 19,500 | 1,450 | |
| Hydrogen fluoride | 17,000 | 17,000 | — | — | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 10,975 | 170 | 7,105 | 3,700 | 59,292 | |
| Zinc compounds | 6,648 | 1,400 | 48 | 5,200 | 624 | |
| Ammonia | 5,241 | 4,300 | 941 | — | — | |
| Copper compounds | 3,820 | 100 | 2,800 | 920 | 200 | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 3,310 | 170 | 140 | 3,000 | 7,663 | |
| Vanadium compounds | 3,150 | 150 | — | 3,000 | 909 | |
| Nickel compounds | 2,790 | 150 | 400 | 2,240 | 498 | ♦ Carcinogen |
| Lead compounds | 702 | 97 | 0 | 605 | 7,476 | |
| Cobalt compounds | 674 | 34 | — | 640 | 256 | ♦ Carcinogen |
| Mercury compounds | 23 | 20 | — | 3 | 9 | |
| Dioxin and dioxin-like compounds | 0 | 0 | — | — | — | ♦ Carcinogen |
2015
Waste Management & Recycling
How this facility manages toxic chemicals beyond direct releases — through recycling, energy recovery, and on-site or off-site treatment. Data from the most recent TRI reporting year. Quantities in pounds.
| Chemical | Released | Recycled | Energy Recovery | Treated |
|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 1,560,375 |
| Ammonia | — | — | — | 7,886 |
| Hydrogen fluoride | — | — | — | 158,931 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 286,205 |
Off-Site Transfer Destinations
Facilities to which toxic chemicals were transferred for disposal, recycling, energy recovery, or treatment during the most recent TRI reporting year. Quantities in pounds.
| Destination | Chemical | Disposal | Recycling | Energy Rec. | Treatment |
|---|---|---|---|---|---|
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Nickel compounds | 2,100 | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Copper compounds | 2,500 | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Zinc compounds | 2,600 | — | — | — |
|
CHEMWASTE MANAGEMENT (AL)
EMELLE, AL
|
Manganese compounds | — | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Manganese compounds | 9,100 | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Vanadium compounds | 5,400 | — | — | — |
|
CHEMWASTE MANAGEMENT (AL)
EMELLE, AL
|
Mercury compounds | 3 | — | — | — |
|
SAFETY KLEEN CORP. LEXINGTON, SC
LEXINGTON, SC
|
Mercury compounds | — | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Mercury compounds | 17 | — | — | — |
|
REPUBLIC SERVICES PINEVIEW LANDFILL
DORA, AL
|
Mercury compounds | 1 | — | — | — |
|
SAFETY KLEEN SYSTEMS, INC. DOLOMITE
DOLOMITE, AL
|
Mercury compounds | — | — | — | — |
|
CHEMWASTE MANAGEMENT (AL)
EMELLE, AL
|
Ammonia | 1 | — | — | — |
|
REPUBLIC SERVICES PINEVIEW LANDFILL
DORA, AL
|
Ammonia | 3 | — | — | — |
|
CHEMWASTE MANAGEMENT (AL)
EMELLE, AL
|
Lead compounds | 11 | — | — | — |
|
SAFETY KLEEN CORP. LEXINGTON, SC
LEXINGTON, SC
|
Lead compounds | — | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Lead compounds | 1,123 | — | — | — |
|
REPUBLIC SERVICES PINEVIEW LANDFILL
DORA, AL
|
Lead compounds | 7 | — | — | — |
|
SAFETY KLEEN SYSTEMS, INC. DOLOMITE
DOLOMITE, AL
|
Lead compounds | — | — | — | — |
|
CHEMWASTE MANAGEMENT (AL)
EMELLE, AL
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 68 | — | — | — |
|
SAFETY KLEEN CORP. LEXINGTON, SC
LEXINGTON, SC
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | — | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 48,000 | — | — | — |
|
REPUBLIC SERVICES PINEVIEW LANDFILL
DORA, AL
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 65 | — | — | — |
|
SAFETY KLEEN SYSTEMS, INC. DOLOMITE
DOLOMITE, AL
|
Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | — | — | — | — |
|
CHEMWASTE MANAGEMENT (AL)
EMELLE, AL
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 11 | — | — | — |
|
SAFETY KLEEN CORP. LEXINGTON, SC
LEXINGTON, SC
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 2,900 | — | — | — |
|
REPUBLIC SERVICES PINEVIEW LANDFILL
DORA, AL
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 7 | — | — | — |
|
SAFETY KLEEN SYSTEMS, INC. DOLOMITE
DOLOMITE, AL
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | — | — | — | — |
|
CLEAN HARBORS LAPORTE, LLC
LAPORTE, TX
|
Chromium compounds (except for chromite ore mined in the Transvaal Region) | 150 | — | — | — |
|
CHEMWASTE MANAGEMENT (AL)
EMELLE, AL
|
Arsenic compounds | — | — | — | — |
|
SAFETY KLEEN CORP. LEXINGTON, SC
LEXINGTON, SC
|
Arsenic compounds | — | — | — | — |
|
PLANT GORGAS CCB LANDFILL
PARRISH, AL
|
Arsenic compounds | 3,500 | — | — | — |
|
REPUBLIC SERVICES PINEVIEW LANDFILL
DORA, AL
|
Arsenic compounds | 30 | — | — | — |
|
SAFETY KLEEN SYSTEMS, INC. DOLOMITE
DOLOMITE, AL
|
Arsenic compounds | — | — | — | — |
|
CLEAN HARBORS LAPORTE, LLC
LAPORTE, TX
|
Arsenic compounds | 150 | — | — | — |
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| rcra | Standards Applicable to Generators of HW: General | May 30, 2024 | Sep 24, 2024 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Sep 12, 2012 | Feb 21, 2013 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Solids, total suspended | DMR, Limited - Numeric Violation | 49.80 mg/L | 45.00 | +11% | Sep 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 79.50 mg/L | 25.00 | +218% | Aug 2021 | Open |
| BOD, carbonaceous [5 day, 20 C] | DMR, Limited - Numeric Violation | 157.00 mg/L | 40.00 | +293% | Aug 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 105.00 mg/L | 45.00 | +133% | Jul 2021 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 54.40 mg/L | 30.00 | +81% | Jul 2021 | Open |
| Phosphorus, total [as P] | DMR, Limited - Numeric Violation | 0.41 mg/L | 0.25 | +64% | Sep 2020 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.