Browse Environmental Hazards
407 toxic release records found.
| Facility | City | State | Chemical | Carcinogen | Total Releases (lbs) | Industry |
|---|---|---|---|---|---|---|
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Vanadium compounds | No | 31,098 | Chemicals |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Ammonia | No | 30,964 | Electric Utilities |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Nickel | No | 30,903 | Electric Utilities |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Lead And Lead Compounds | No | 29,552 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 28,582 | Chemicals |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Ammonia | No | 28,240 | Petroleum |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Vanadium compounds | No | 27,972 | Electric Utilities |
| ECHO SPRINGS GAS PLANT | CARBON | Wyoming | Toluene | No | 27,480 | Natural Gas Processing |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Copper And Copper Compounds | No | 26,890 | Electric Utilities |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | No | 26,866 | Electric Utilities |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Manganese And Manganese Compounds | No | 26,718 | Electric Utilities |
| DYNO NOBEL INC-CHEYENNE PLANT | CHEYENNE | Wyoming | Ethylene glycol | No | 26,129 | Chemicals |
| OPAL GAS PLANT | OPAL | Wyoming | Xylene (mixed isomers) | No | 25,772 | Natural Gas Processing |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Zinc compounds | No | 25,728 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Nickel compounds | No | 25,395 | Chemicals |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Nickel And Nickel Compounds | No | 24,815 | Electric Utilities |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | No | 24,270 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Chlorine | No | 21,957 | Chemicals |
| BLACK HILLS CORP - NEIL SIMPSON COMPLEX | GILLETTE | Wyoming | Lead | No | 21,953 | Electric Utilities |
| WESTERN GAS RESOURCES HILIGHT GAS PLANT | GILLETTE | Wyoming | Formaldehyde | No | 21,747 | Natural Gas Processing |
| PACIFICORP WYODAK PLANT | GILLETTE | Wyoming | Vanadium compounds | No | 21,210 | Electric Utilities |
| CHAMPIONX-EVANSVILLE PLANT 108 | EVANSVILLE | Wyoming | Methanol | No | 20,876 | Miscellaneous Manufacturing |
| OPAL GAS PLANT | OPAL | Wyoming | n-Hexane | No | 20,680 | Natural Gas Processing |
| WESTERN GAS RESOURCES HILIGHT GAS PLANT | GILLETTE | Wyoming | Benzene | No | 20,508 | Natural Gas Processing |
| ECHO SPRINGS GAS PLANT | CARBON | Wyoming | Xylene (mixed isomers) | No | 20,360 | Natural Gas Processing |
| PACIFICORP WYODAK PLANT | GILLETTE | Wyoming | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | No | 19,983 | Electric Utilities |
| WESTERN GAS RESOURCES HILIGHT GAS PLANT | GILLETTE | Wyoming | Toluene | No | 19,372 | Natural Gas Processing |
| WESTERN GAS RESOURCES HILIGHT GAS PLANT | GILLETTE | Wyoming | Xylene (mixed isomers) | No | 18,903 | Natural Gas Processing |
| WESTERN GAS RESOURCES HILIGHT GAS PLANT | GILLETTE | Wyoming | Ethylbenzene | No | 18,699 | Natural Gas Processing |
| OPAL GAS PLANT | OPAL | Wyoming | Benzene | No | 18,612 | Natural Gas Processing |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Chromium and Chromium Compounds(except for chromite ore mined in the Transvaal Region) | No | 18,576 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Lead compounds | No | 18,514 | Chemicals |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Hydrogen fluoride | No | 17,782 | Electric Utilities |
| ECHO SPRINGS GAS PLANT | CARBON | Wyoming | n-Hexane | No | 17,350 | Natural Gas Processing |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Ammonia | No | 17,200 | Electric Utilities |
| BASIN ELECTRIC DRY FORK STATION | GILLETTE | Wyoming | Zinc compounds | No | 16,854 | Electric Utilities |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Nickel And Nickel Compounds | No | 16,123 | Electric Utilities |
| VERMILLION GAS PLANT | ROCK SPRINGS | Wyoming | n-Hexane | No | 15,644 | Natural Gas Processing |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Nickel And Nickel Compounds | No | 14,726 | Electric Utilities |
| PACIFICORP NAUGHTON PLANT | KEMMERER | Wyoming | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | No | 14,422 | Electric Utilities |
| DYNO NOBEL INC-CHEYENNE PLANT | CHEYENNE | Wyoming | Formaldehyde | No | 14,286 | Chemicals |
| PACIFICORP JIM BRIDGER PLANT & BRIDGER COAL CO | POINT OF ROCKS | Wyoming | Vanadium compounds | No | 13,339 | Electric Utilities |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Selenium And Selenium Compounds | No | 13,155 | Chemicals |
| BASIN ELECTRIC LARAMIE RIVER STATION | WHEATLAND | Wyoming | Cobalt And Cobalt Compounds | No | 12,299 | Electric Utilities |
| US ARMY CAMP GUERNSEY TRAINING AREAS | GUERNSEY | Wyoming | Lead | No | 12,158 | Other |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Hydrogen fluoride | No | 11,740 | Electric Utilities |
| PACIFICORP DAVE JOHNSTON PLANT | GLENROCK | Wyoming | Lead And Lead Compounds | No | 11,539 | Electric Utilities |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Hydrogen sulfide | No | 11,000 | Petroleum |
| SIMPLOT PHOSPHATES LLC | ROCK SPRINGS | Wyoming | Arsenic And Arsenic Compounds | No | 9,802 | Chemicals |
| HF SINCLAIR PARCO REFINING LLC | SINCLAIR | Wyoming | Benzene | No | 9,403 | Petroleum |