KEYSTONE CONEMAUGH PROJ LLC/CONEMAUGH STATION
Quick Summary
- •Released 5,987,965 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 $190,577 in total penalties since records began.
- •Reports releases of chemicals classified as known or probable carcinogens.
- Address
-
1442 POWER PLANT RD
NEW FLORENCE, PA 15944
View on map ↗ - County
- INDIANA County
- Industry
- Utilities
- NAICS (North American Industry Classification)
- 221112
- Inspections
- 7 · last Dec 19, 2025
- Total Penalties
- $190,577 · last Dec 19, 2025
- Registry ID
- 110000538801
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 | 3,381,536 | — |
| 2016 | 5,251,640 | +55% |
| 2017 | 5,987,965 | +14% |
| 2018 | 3,807,414 | -36% |
| 2019 | 3,066,357 | -19% |
| 2020 | 2,088,560 | -32% |
| 2021 | 1,864,290 | -11% |
| 2022 | 1,453,377 | -22% |
| 2023 | 573,317 | -61% |
| 2024 | 1,377,908 | +140% |
2024
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 703,103 | 703,103 | — | — | — | |
| Manganese compounds | 559,203 | 92 | 2,587 | 556,524 | — | |
| Zinc compounds | 33,010 | 235 | 87 | 32,688 | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 22,637 | 120 | 413 | 22,104 | — | |
| Nickel compounds | 15,371 | 78 | 102 | 15,191 | — | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 11,521 | 11,521 | — | — | — | |
| Arsenic compounds | 9,119 | 163 | 13 | 8,943 | — | ♦ Carcinogen |
| Vanadium compounds | 8,520 | 65 | 32 | 8,423 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 7,177 | 105 | 16 | 7,056 | — | |
| Hydrogen fluoride | 3,542 | 3,542 | — | — | — | |
| Ammonia | 2,942 | 1,647 | 1,295 | — | — | |
| Lead compounds | 1,632 | 32 | 2 | 1,598 | — | |
| Mercury compounds | 132 | 8 | 0 | 123 | — |
2023
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 381,394 | 381,394 | — | — | — | |
| Manganese compounds | 96,748 | 73 | 2,844 | 93,831 | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 28,211 | 92 | 416 | 27,703 | — | |
| Zinc compounds | 13,119 | 188 | 83 | 12,848 | — | |
| Arsenic compounds | 12,551 | 129 | 14 | 12,408 | — | ♦ Carcinogen |
| Vanadium compounds | 10,640 | 50 | 30 | 10,560 | — | |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 8,990 | 8,990 | — | — | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 7,044 | 83 | 16 | 6,945 | — | |
| Nickel compounds | 6,828 | 62 | 101 | 6,665 | — | ♦ Carcinogen |
| Hydrogen fluoride | 2,896 | 2,896 | — | — | — | |
| Ammonia | 2,647 | 1,463 | 1,184 | — | — | |
| Lead compounds | 2,181 | 25 | 1 | 2,154 | — | |
| Mercury compounds | 69 | 9 | 0 | 60 | — |
2022
| Chemical | Total (lbs) | Air | Water | Land | Off-Site | |
|---|---|---|---|---|---|---|
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 726,700 | 726,700 | — | — | — | |
| Manganese compounds | 444,322 | 143 | 2,401 | 441,778 | — | |
| Barium compounds (except for barium sulfate (CAS No. 7727-43-7)) | 83,474 | 185 | 1,727 | 81,562 | — | |
| Zinc compounds | 43,660 | 366 | 51 | 43,243 | — | |
| Arsenic compounds | 37,370 | 252 | 77 | 37,041 | — | ♦ Carcinogen |
| Vanadium compounds | 28,992 | 99 | 39 | 28,854 | — | |
| Chromium compounds (except for chromite ore mined in the Transvaal Region) | 19,431 | 161 | 45 | 19,225 | — | |
| Nickel compounds | 19,065 | 120 | 45 | 18,899 | — | ♦ Carcinogen |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | 18,093 | 18,093 | — | — | — | |
| Copper compounds | 17,435 | 60 | 44 | 17,331 | — | |
| Lead compounds | 6,336 | 50 | 77 | 6,210 | — | |
| Hydrogen fluoride | 5,484 | 5,484 | — | — | — | |
| Ammonia | 2,723 | 1,744 | 979 | — | — | |
| Mercury compounds | 291 | 31 | 1 | 259 | — |
2021
2020
2019
2018
2017
2016
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 |
|---|---|---|---|---|
| Ammonia | — | — | — | 236,760 |
| Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 415,199 |
| Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | — | — | — | 1,582,555 |
| Hydrogen fluoride | — | — | — | 100,630 |
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 |
|---|---|---|---|---|
| cwa | Permit Violations - Discharge Without a Valid Permit | Dec 19, 2025 | — | Open |
| cwa | Effluent Violations - Numeric effluent violation | Jul 9, 2020 | — | Open |
| caa | FRV | Feb 7, 2019 | — | Open |
| caa | FRV | Jan 10, 2017 | — | Open |
| caa | FRV | Aug 9, 2016 | — | Open |
| rcra | State Statutory or Regulatory requirements that are broader-in-scope than the federal RCRA requirements | Sep 30, 2014 | Sep 30, 2014 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Small Quantity Handlers | Sep 30, 2014 | Sep 30, 2014 | Resolved |
| rcra | Standards for Universal Waste Management: Standards for Large Quantity Handlers | Sep 30, 2014 | Sep 30, 2014 | Resolved |
| cwa | Permit Violations - Violation Specified in Comment | Dec 1, 2004 | Dec 28, 2004 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Feb 15, 1991 | Jun 24, 1991 | 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 |
|---|---|---|---|---|---|---|
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.09 | +11% | Sep 2023 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 3.50 mg/L | 3.40 | +3% | Jul 2023 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.05 mg/L | 0.05 | +11% | Dec 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 1.40 kg/d | 0.23 | +504% | Dec 2022 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 0.51 kg/d | 0.12 | +340% | Dec 2022 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 4.32 kg/d | 2.55 | +69% | Dec 2022 | Open |
| Boron, total [as B] | DMR, Limited - Numeric Violation | 101.60 mg/L | 100.00 | +2% | Dec 2022 | Open |
| Aluminum, total [as Al] | DMR, Limited - Numeric Violation | 1.12 kg/d | 0.99 | +13% | Dec 2022 | Open |
| Manganese, total [as Mn] | DMR, Limited - Numeric Violation | 0.50 kg/d | 0.16 | +220% | Dec 2022 | Open |
| Copper, total [as Cu] | DMR, Limited - Numeric Violation | 0.10 mg/L | 0.09 | +10% | Dec 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 37.70 mg/L | 30.00 | +26% | Mar 2022 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 102.00 mg/L | 100.00 | +2% | Sep 2020 | Open |
| Selenium, total [as Se] | DMR, Limited - Numeric Violation | 0.50 mg/L | 0.25 | +100% | Feb 2020 | Resolved |
| Selenium, total [as Se] | DMR, Limited - Numeric Violation | 0.61 mg/L | 0.50 | +22% | Feb 2020 | Open |
| Selenium, total [as Se] | DMR, Limited - Numeric Violation | 0.54 mg/L | 0.25 | +116% | Jan 2020 | Resolved |
| Selenium, total [as Se] | DMR, Limited - Numeric Violation | 1.18 mg/L | 0.50 | +136% | Jan 2020 | Open |
| Solids, total suspended | DMR, Limited - Numeric Violation | 67.00 mg/L | 60.00 | +12% | Jan 2018 | Open |
| Iron, total [as Fe] | DMR, Limited - Numeric Violation | 11.50 mg/L | 3.40 | +238% | Dec 2015 | 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.