EPA Air · stack tests by state and year
Air-emissions stack tests in Wyoming, 2017
- 235Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Wyoming during 2017; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Wyoming, 2017
- Sweetwater County 57
- Campbell County 39
- Carbon County 29
- Johnson County 26
- Sublette County 16
- Lincoln County 14
- Uinta County 11
- Natrona County 9
- Fremont County 8
- Big Horn County 5
- Platte County 4
- Albany County 4
- Laramie County 3
- Goshen County 3
Wyoming, other years
Air-emissions stack tests recorded in Wyoming, 2017
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2017-12-28 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-12-28 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2017-12-19 | COLONY PLANT (BENTONITE PERFORMANCE MINERALS) | COLONY, Crook, WY | Pass | State |
| 2017-12-19 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2017-12-19 | BLACKS FORK GAS PLANT (HARVEST MIDSTREAM COMPANY) | GRANGER, Sweetwater, WY | Pass | State |
| 2017-12-07 | WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING) | GILLETTE, Campbell, WY | Pass | State |
| 2017-12-07 | MUDDY CREEK STATION (KERN RIVER GAS TRANS) | LINCOLN COUNTY, Lincoln, WY | Pass | State |
| 2017-12-05 | LOVELL PLANT (AMERICAN COLLOID CO) | LOVELL, Big Horn, WY | Pass | State |
| 2017-12-05 | PAINTER COMPRESSOR STATION (KERN RIVER GAS TRANSMISSION) | EVANSTON, Uinta, WY | Pass | State |
| 2017-11-29 | TORRINGTON PLANT (THE WESTERN SUGAR COOP) | TORRINGTON, Goshen, WY | Pass | State |
| 2017-11-28 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-11-21 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2017-11-21 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | CASPER, Natrona, WY | Pass | State |
| 2017-11-21 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | CASPER, Natrona, WY | Fail | State |
| 2017-11-20 | CKN-ROCK SPRINGS STATION (MOUNTAIN WEST PIPELINE, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-11-17 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2017-11-16 | PAINTER COMPRESSOR STATION (KERN RIVER GAS TRANSMISSION) | EVANSTON, Uinta, WY | Pass | State |
| 2017-11-14 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-11-14 | TORRINGTON PLANT (THE WESTERN SUGAR COOP) | TORRINGTON, Goshen, WY | Pass | State |
| 2017-11-14 | TORRINGTON PLANT (THE WESTERN SUGAR COOP) | TORRINGTON, Goshen, WY | Pass | State |
| 2017-11-09 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2017-11-09 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2017-11-09 | CKN-ROCK SPRINGS STATION (MOUNTAIN WEST PIPELINE, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-11-08 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2017-11-07 | LOST CABIN GAS PLANT (CONTANGO RESOURCES, LLC.) — high-priority violation on file | LOST CABIN, Fremont, WY | Pass | State |
| 2017-11-06 | BEAVER CREEK COMPRESSOR STATION (DENBURY ONSHORE, LLC) | RIVERTON, Fremont, WY | Pass | State |
| 2017-10-27 | CHEYENNE PLANT (DYNO NOBEL INC) — high-priority violation on file | CHEYENNE, Laramie, WY | Pass | State |
| 2017-10-26 | EAKIN COMPRESSOR STATION (MOUNTAIN WEST PIPELINE, LLC) | UINTA COUNTY, Uinta, WY | Pass | State |
| 2017-10-26 | EAST PAINTER FACILITY (NORTH SHORE EXPLORATION & PRODUCTION) | UINTA COUNTY, Uinta, WY | Pass | State |
| 2017-10-25 | 50 BUTTES PLANT (THUNDER CREEK GAS SERVICES, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-10-25 | ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES) | CARBON COUNTY, Carbon, WY | Pass | State |
| 2017-10-25 | SHERIDAN MEDICAL CENTER (DEPARTMENT OF VETERANS AFFAIRS) | SHERIDAN, Sheridan, WY | Pass | State |
| 2017-10-24 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2017-10-24 | SHERIDAN MEDICAL CENTER (DEPARTMENT OF VETERANS AFFAIRS) | SHERIDAN, Sheridan, WY | Pass | State |
| 2017-10-20 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-10-19 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-10-19 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-10-17 | LOVELL PLANT (THE WESTERN SUGAR COOPERATIVE) | LOVELL, Big Horn, WY | Pass | State |
| 2017-10-17 | LOVELL PLANT (THE WESTERN SUGAR COOPERATIVE) | LOVELL, Big Horn, WY | Pass | State |
| 2017-10-12 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-10-05 | WYODAK PLANT (PACIFICORP) | GILLETTE, Campbell, WY | Pass | State |
| 2017-10-05 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2017-10-05 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-10-03 | LARAMIE CEMENT PLANT (MOUNTAIN CEMENT CO.) — high-priority violation on file | LARAMIE, Albany, WY | Pass | State |
| 2017-10-02 | CASPER REFINERY (HF SINCLAIR CASPER REFINING LLC) — high-priority violation on file | EVANSVILLE, Natrona, WY | Pass | State |
| 2017-09-28 | GRANGER SODA ASH FACILITY (WE SODA WYOMING LP) | GRANGER, Sweetwater, WY | Pass | State |
| 2017-09-28 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-27 | LOVELL PLANT (GEORGIA-PACIFIC GYPSUM) | LOVELL, Big Horn, WY | Pass | State |
| 2017-09-27 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-09-27 | DRY WILLOW WATER PUMP STATION (POWDER RIVER MIDSTREAM, LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-09-27 | GREEN RIVER WORKS (TATA CHEMICALS (SODA ASH) PARTNERS) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-27 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-25 | SHUTE CREEK TREATING FACILITY (EXXON MOBIL CORP) | LINCOLN COUNTY, Lincoln, WY | Pass | State |
| 2017-09-22 | GRANGER SODA ASH FACILITY (WE SODA WYOMING LP) | GRANGER, Sweetwater, WY | Pass | State |
| 2017-09-21 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2017-09-20 | NAUGHTON PLANT (PACIFICORP) | KEMMERER, Lincoln, WY | Pass | State |
| 2017-09-19 | JONATHON LIME PLANT & LIME KILN DUST LANDFILL (PETE LIEN & SONS INC) | ALBANY COUNTY, Albany, WY | Pass | State |
| 2017-09-19 | BOMBSITE-NICHOLS COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2017-09-19 | RINER STATION (SOUTHERN STAR CENTRAL GAS PIPELINE) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-15 | LARAMIE CEMENT PLANT (MOUNTAIN CEMENT CO.) — high-priority violation on file | LARAMIE, Albany, WY | Pass | State |
| 2017-09-15 | LOVELL GRINDING PLANT (BENTONITE PERFORMANCE MINERALS) | LOVELL, Big Horn, WY | Pass | State |
| 2017-09-15 | WESTWIND-ASTRA COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2017-09-15 | WESTWIND-ASTRA COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2017-09-15 | PATRICK DRAW GAS PLANT (MOUNTAIN GAS RESOURCES LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-13 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-12 | WESTVACO FACILITY (WE SODA WYOMING LP) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-08 | CKN-ROCK SPRINGS STATION (MOUNTAIN WEST PIPELINE, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-09-07 | EIGHT MILE LAKE STATION (WILLIAMS FIELD SERVICES COMPANY) | CARBON COUNTY, Carbon, WY | Pass | State |
| 2017-09-07 | FLETCHER/TERHUNE (POWDER RIVER MIDSTREAM, LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2017-09-07 | FLETCHER/TERHUNE (POWDER RIVER MIDSTREAM, LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2017-09-06 | LARAMIE RIVER STATION (BASIN ELECTRIC POWER COOPERATIVE) — high-priority violation on file | WHEATLAND, Platte, WY | Pass | State |
| 2017-09-06 | BLACKS FORK GAS PLANT (HARVEST MIDSTREAM COMPANY) | GRANGER, Sweetwater, WY | Pass | State |
| 2017-08-31 | LEAVITT COMPRESSOR STATION (THUNDER CREEK GAS SERVICES) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-08-31 | BEAVER CREEK COMPRESSOR STATION (DENBURY ONSHORE, LLC) | RIVERTON, Fremont, WY | Pass | State |
| 2017-08-31 | BUCKNUM BENTONITE PLANT (TOLSA WYOMING BENTONITE CORP.) | CASPER, Natrona, WY | Pass | State |
| 2017-08-30 | WYGEN II POWER STATION (OWNER: CHEYENNE LIGHT FUEL AND POWER) | GILLETTE, Campbell, WY | Pass | State |
| 2017-08-29 | WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING) | GILLETTE, Campbell, WY | Pass | State |
| 2017-08-29 | WYGEN STATION I POWER PLANT (BLACK HILLS WYOMING) | GILLETTE, Campbell, WY | Pass | State |
| 2017-08-29 | BLACKS FORK GAS PLANT (HARVEST MIDSTREAM COMPANY) | GRANGER, Sweetwater, WY | Pass | State |
| 2017-08-29 | FREWEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-28 | GREEN RIVER SODIUM PRODUCTS PLANT (CHURCH & DWIGHT INC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-25 | JIM BRIDGER PLANT (PACIFICORP) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-23 | BRECKENRIDGE 11-21-35-67 1H (TRANSWORLD SYSTEMS PETROLEUM, INC.) | CONVERSE COUNTY, Converse, WY | Pass | State |
| 2017-08-23 | GREEN RIVER SODA ASH PLANT (AMERICAN SODA LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-23 | CARTER CREEK GAS PLANT (HILCORP ENERGY CO) | EVANSTON, Uinta, WY | Pass | State |
| 2017-08-17 | BEAR DRAW-BRUIN COMPRESSOR STATION (POWDER RIVER MIDSTREAM LLC) | JOHNSON COUNTY, Johnson, WY | Pass | State |
| 2017-08-17 | BIRD CANYON/COUNTY LINE COMPRESSOR STATION (ENTERPRISE JONAH GAS GATHERING CO) | SUBLETTE COUNTY, Sublette, WY | Pass | State |
| 2017-08-16 | HAY RESERVOIR CENTRAL COMPRESSOR STATION (MOUNTAIN GAS RESOURCES LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-15 | MORGAN DRAW/CRENSHAW HILL (PRONGHORN MIDSTREAM LLC) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-08-14 | BISON TREATING FACILITY (CRESTONE POWDER RIVER, L.L.C.) | CAMPBELL COUNTY, Campbell, WY | Pass | State |
| 2017-08-11 | ROCK SPRINGS FERTILIZER COMPLEX (SIMPLOT PHOSPHATES) | ROCK SPRINGS, Sweetwater, WY | Pass | State |
| 2017-08-11 | CKN-ROCK SPRINGS STATION (MOUNTAIN WEST PIPELINE, LLC) | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-10 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-09 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2017-08-08 | BIG ISLAND MINE & REFINERY (SISECAM WYOMING LLC) — high-priority violation on file | SWEETWATER COUNTY, Sweetwater, WY | Pass | State |
| 2017-08-03 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2017-08-03 | WAMSUTTER COMPRESSOR STATION (COLORADO INTERSTATE GAS) | WAMSUTTER, Sweetwater, WY | Pass | State |
| 2017-08-02 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2017-07-31 | HF SINCLAIR PARCO REFINING LLC — high-priority violation on file | SINCLAIR, Carbon, WY | Pass | State |
| 2017-07-26 | DRY FORK STATION (BASIN ELECTRIC POWER COOP) | GILLETTE, Campbell, WY | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.