Browse Environmental Hazards

407 toxic release records found.

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FacilityCityStateChemicalCarcinogenTotal 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