EPA Air · stack tests by state and year
Air-emissions stack tests in Colorado, 2022
- 460Stack 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 Colorado during 2022; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Colorado, 2022
- Weld County 207
- Garfield County 71
- Adams County 37
- Jefferson County 24
- La Plata County 23
- Jackson County 20
- Pueblo County 15
- Mesa County 13
- Rio Blanco County 12
- Moffat County 7
- Larimer County 5
- Boulder County 5
- El Paso County 5
- Routt County 4
- Fremont County 4
- Yuma County 3
Colorado, other years
Air-emissions stack tests recorded in Colorado, 2022
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2022-12-21 | DCP OPERATING CO - 70 RANCH CS | KERSEY 3.3 MI. E OF, Weld, CO | Pass | State |
| 2022-12-16 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2022-12-16 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2022-12-15 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | N/A | State |
| 2022-12-15 | CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file | LYONS AREA, Boulder, CO | Pass | State |
| 2022-12-15 | KT RESOURCES - WHITE RIVER DOME | MEEKER 14.5 MI. W OF, Rio Blanco, CO | Pass | State |
| 2022-12-15 | KT RESOURCES - WHITE RIVER DOME | MEEKER 14.5 MI. W OF, Rio Blanco, CO | Pass | State |
| 2022-12-14 | PRAIRIE OPERATING CO - GROVES FARM 34-L | EATON AREA, Weld, CO | Pass | State |
| 2022-12-14 | PRAIRIE OPERATING CO - SCHLOTTHAUER PROD | FORT COLLINS AREA, Weld, CO | Pass | State |
| 2022-12-13 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2022-12-12 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2022-12-09 | CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file | PUEBLO AREA, Pueblo, CO | Pass | State |
| 2022-12-08 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2022-12-08 | WES WATTENBURG - CENTRAL OIL STABIL | HUDSON 6.1 MI. N OF, Weld, CO | Pass | State |
| 2022-12-07 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2022-12-07 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2022-12-07 | SUMMIT DJ-S - HEMBERGER CS | BRIGGSDALE, Weld, CO | Pass | State |
| 2022-12-06 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2022-12-06 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2022-12-06 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-12-06 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-12-06 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-12-05 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2022-12-01 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2022-12-01 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2022-12-01 | FULCRUM ENERGY - OXBOW 0880 S29 | WALDEN 8.9 MI. N OF, Jackson, CO | Pass | State |
| 2022-12-01 | FULCRUM ENERGY - OXBOW 0880 S29 | WALDEN 8.9 MI. N OF, Jackson, CO | Pass | State |
| 2022-12-01 | BONANZA CREEK - STATE PRONGHORN CPF 41-3 | WIGGINS 11.6 MI. NW OF, Weld, CO | Pass | State |
| 2022-11-30 | FULCRUM ENERGY - OXBOW 0880 S29 | WALDEN 8.9 MI. N OF, Jackson, CO | Pass | State |
| 2022-11-30 | SOUTHERN STAR CENTRAL GAS PIPELINE -YUMA | YUMA 5.9 MI. N OF, Yuma, CO | Pass | State |
| 2022-11-28 | DCP OPERATING CO - LIBSACK C.S. | GREELEY AREA, Weld, CO | Pass | State |
| 2022-11-22 | LOCKHEED MARTIN - WATERTON PLANT USAF PJ | LITTLETON, Jefferson, CO | N/A | State |
| 2022-11-22 | BONANZA CRK ENERGY - NORTH PLATTE 24-34 | KERSEY 6.1 MI. N OF, Weld, CO | Pass | State |
| 2022-11-21 | LOCKHEED MARTIN - WATERTON PLANT USAF PJ | LITTLETON, Jefferson, CO | N/A | State |
| 2022-11-21 | LOCKHEED MARTIN - WATERTON PLANT USAF PJ | LITTLETON, Jefferson, CO | N/A | State |
| 2022-11-21 | DCP OPERATING CO - ROGGEN NGPP — high-priority violation on file | KEENESBURG 4.4 MI. E OF, Weld, CO | Pass | State |
| 2022-11-21 | DCP OPERATING CO - SULLIVAN C.S. | KERSEY 16.1 MI. NE OF, Weld, CO | Pass | State |
| 2022-11-17 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2022-11-11 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-11-11 | FULCRUM ENERGY - REU 0681 1-23H2 | STEAMBOAT SPRINGS 17.2 MI. N O, Jackson, CO | N/A | State |
| 2022-11-10 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-11-10 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-11-09 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-11-09 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-11-09 | GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file | PUEBLO 4.5 MI. S OF, Pueblo, CO | Pass | State |
| 2022-11-08 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-11-08 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-11-07 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Fail | State |
| 2022-11-07 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2022-11-07 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2022-11-07 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Fail | State |
| 2022-11-07 | WEXPRO - SUGAR LOAF COMPRESSOR STATION | DINOSAUR 50.4 MI. N OF, Moffat, CO | Pass | State |
| 2022-11-03 | GOLDEN ALUMINUM INC. - FORT LUPTON MILL | FORT LUPTON, Weld, CO | Fail | State |
| 2022-10-31 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-10-31 | BISON IV - SALT RANCH FEE #10 EAST | GROVER 16.0 MI. N OF, Weld, CO | Pass | State |
| 2022-10-28 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-10-28 | WEXPRO CO - POWDER WASH | CRAIG 47.7 MI. NW OF, Moffat, CO | Pass | State |
| 2022-10-28 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-10-27 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | Pass | State |
| 2022-10-27 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-10-26 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Pass | State |
| 2022-10-26 | SOUTHERN STAR CENTRAL GAS PIPELINE CHEYE | NUNN 18.4 MI. N OF, Weld, CO | Pass | State |
| 2022-10-26 | BISON IV - LITTLE LADY 21 NORTH PAD | GROVER AREA, Weld, CO | Pass | State |
| 2022-10-25 | WEXPRO COMPANY - MUSSER 34 PAD | CRAIG 47.4 MI. NW OF, Moffat, CO | Pass | State |
| 2022-10-25 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-10-24 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-10-21 | FULCRUM ENERGY - GREGORY 0780 S9 PAD | WALDEN 11.2 MI. N OF, Jackson, CO | Pass | State |
| 2022-10-20 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-10-20 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-10-20 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-10-20 | CRIPPLE CREEK & VICTOR - CRESSON PROJECT | CRIPPLE CREEK AREA, Teller, CO | Pass | State |
| 2022-10-20 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2022-10-19 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2022-10-19 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-10-18 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-10-14 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-10-13 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-10-12 | CRESTONE PEAK - BOHRER 19H-E368 | MEAD AREA, Weld, CO | Pass | State |
| 2022-10-11 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2022-10-11 | WEXPRO CO - POWDER WASH | CRAIG 47.7 MI. NW OF, Moffat, CO | Pass | State |
| 2022-10-11 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-10-10 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Fail | State |
| 2022-10-10 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2022-10-10 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Fail | State |
| 2022-10-10 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2022-10-07 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-10-06 | GARFIELD COUNTY LANDFILL | RIFLE 2.8 MI. W OF, Garfield, CO | Pass | State |
| 2022-10-06 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2022-10-06 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2022-10-06 | SIMCOE - WOLF POINT CENTRAL DELIVERY POINT | LA PLATA COUNTY, La Plata, CO | Pass | U.S. EPA |
| 2022-10-05 | GRAND RIVER GATH - OH14 WELL PAD | DEBEQUE 2.5 MI. NE OF, Mesa, CO | Pass | State |
| 2022-10-05 | BONANZA CREEK ENERGY - ANTELOPE SECTION | KERSEY 9.2 MI. E OF, Weld, CO | Pass | State |
| 2022-10-04 | DCP OPERATING CO - O'CONNOR GAS PLANT | KERSEY AREA, Weld, CO | Pass | State |
| 2022-10-04 | DCP OPERATING CO - O'CONNOR GAS PLANT | KERSEY AREA, Weld, CO | Pass | State |
| 2022-10-04 | CHEYENNE PLAINS GAS- KIRK COMP STAT | KIRK AREA, Yuma, CO | Pass | State |
| 2022-10-03 | SIMCOE - MIERA CENTRAL DELIVERY POINT | LA PLATA COUNTY, La Plata, CO | Pass | U.S. EPA |
| 2022-09-29 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Pass | State |
| 2022-09-29 | DCP OPERATING CO - TROUDT C.S. | GREELEY, Weld, CO | Pass | State |
| 2022-09-27 | BISON IV - LITTLE LADY 21 NORTH PAD | GROVER AREA, Weld, CO | Pass | State |
| 2022-09-26 | BISON IV - LITTLE LADY 21 NORTH PAD | GROVER AREA, Weld, CO | Pass | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.