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 |
|---|---|---|---|---|
| 2022-05-10 | PRAIRIE OPERATING - CALVARY FARMS NORTH | EATON AREA, Weld, CO | Pass | State |
| 2022-05-10 | HARVEST FOUR CORNERS, LLC - IGNACIO GAS PLANT | DURANGO, La Plata, CO | Pass | State |
| 2022-05-09 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2022-05-09 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-05-09 | PRAIRIE OPERATING CO - G&D HANKS TANK | EATON AREA, Weld, CO | Pass | State |
| 2022-05-05 | RED ROCK GATHERING - DEBEQUE PROC FAC | DEBEQUE AREA, Mesa, CO | Pass | State |
| 2022-05-05 | RED ROCK GATHERING - DEBEQUE PROC FAC | DEBEQUE AREA, Mesa, CO | Pass | State |
| 2022-05-05 | RED ROCK GATHERING - DEBEQUE PROC FAC | DEBEQUE AREA, Mesa, CO | Pass | State |
| 2022-05-04 | RED ROCK GATHERING - HOLMES MESA CS | RIFLE 5.2 MI. SW OF, Garfield, CO | Pass | State |
| 2022-05-04 | SIMCOE - TREATING SITE #8 CENTRAL DELIVERY POINT | DURANGO, La Plata, CO | Pass | State |
| 2022-05-03 | RED ROCK GATHERING - HOLMES MESA CS | RIFLE 5.2 MI. SW OF, Garfield, CO | Pass | State |
| 2022-05-03 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2022-05-02 | RED ROCK GATHERING - HOLMES MESA CS | RIFLE 5.2 MI. SW OF, Garfield, CO | Pass | State |
| 2022-05-02 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-05-02 | SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT | DURANGO, La Plata, CO | Pass | State |
| 2022-04-30 | PUEBLO CHEMICAL DEPOT - US ARMY | PUEBLO, Pueblo, CO | Pass | State |
| 2022-04-29 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-04-29 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-04-28 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-04-28 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Pass | State |
| 2022-04-28 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Pass | State |
| 2022-04-27 | MID-AMERICA PIPELINE CO DOVE CR STA | DOVE CREEK 5.3 MI. NW OF, Dolores, CO | Pass | State |
| 2022-04-27 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-04-27 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-27 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-27 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-27 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-27 | RED CEDAR GATHERING COMPANY - PONDEROSA COMPRESSOR STATION | DURANGO, La Plata, CO | Pass | State |
| 2022-04-26 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-04-26 | CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file | PUEBLO AREA, Pueblo, CO | Pass | State |
| 2022-04-26 | CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file | PUEBLO AREA, Pueblo, CO | Pass | State |
| 2022-04-26 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-04-26 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-25 | CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file | LYONS AREA, Boulder, CO | Pass | State |
| 2022-04-25 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2022-04-23 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-04-22 | GOLDEN ALUMINUM INC. - FORT LUPTON MILL | FORT LUPTON, Weld, CO | N/A | State |
| 2022-04-21 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2022-04-20 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2022-04-20 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2022-04-20 | GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file | PUEBLO 4.5 MI. S OF, Pueblo, CO | Pass | State |
| 2022-04-20 | GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file | PUEBLO 4.5 MI. S OF, Pueblo, CO | Pass | State |
| 2022-04-20 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-04-20 | WASTE MANAGEMENT- BUFFALO RIDGE LANDFILL | KEENESBURG 5.1 MI. N OF, Weld, CO | Pass | State |
| 2022-04-20 | BONANZA CRK STATE NORTH PLATTE CPF 42-26 | KERSEY 7.1 MI. N OF, Weld, CO | Pass | State |
| 2022-04-19 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2022-04-19 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-04-19 | DCP OPERATING CO - MARLA C.S. — high-priority violation on file | KERSEY 7.0 MI. S OF, Weld, CO | Pass | State |
| 2022-04-19 | DCP OPERATING CO - MARLA C.S. — high-priority violation on file | KERSEY 7.0 MI. S OF, Weld, CO | Pass | State |
| 2022-04-19 | NOBLE ENERGY - WELLS RANCH AA14, AA16 EC | KERSEY 9.4 MI. NE OF, Weld, CO | Pass | State |
| 2022-04-19 | BONANZA CRK STATE NORTH PLATTE CPF 42-26 | KERSEY 7.1 MI. N OF, Weld, CO | Pass | State |
| 2022-04-18 | COLLBRAN VALLEY GAS - COLLBRAN VALLEY — high-priority violation on file | COLLBRAN 2.3 MI. W OF, Mesa, CO | Pass | State |
| 2022-04-18 | COLLBRAN VALLEY GAS - COLLBRAN VALLEY — high-priority violation on file | COLLBRAN 2.3 MI. W OF, Mesa, CO | Pass | State |
| 2022-04-18 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-04-16 | PUEBLO CHEMICAL DEPOT - US ARMY | PUEBLO, Pueblo, CO | Pass | State |
| 2022-04-14 | SOUTHERN STAR CENTRAL GAS PIPELINE CHEYE | NUNN 18.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-13 | MOUNTAINWEST PIPELINE - GREASEWOOD COMPR | MEEKER 16.7 MI. SW OF, Rio Blanco, CO | Pass | State |
| 2022-04-13 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2022-04-13 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2022-04-12 | TEP ROCKY MOUNTAIN - CASTLE SPRINGS C.S. | SILT 6.7 MI. SE OF, Garfield, CO | Pass | State |
| 2022-04-12 | FULCRUM ENERGY - EVANS 0780 21 | WALDEN, Jackson, CO | Pass | State |
| 2022-04-12 | MOUNTAINWEST PIPELINE - GREASEWOOD COMPR | MEEKER 16.7 MI. SW OF, Rio Blanco, CO | Pass | State |
| 2022-04-12 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-12 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2022-04-12 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2022-04-12 | SOUTHERN STAR CENTRAL GAS PIPELINE -YUMA | YUMA 5.9 MI. N OF, Yuma, CO | Pass | State |
| 2022-04-11 | FULCRUM ENERGY - HEBRON 0780 S18 PAD — high-priority violation on file | WALDEN 12.0 MI. SW OF, Jackson, CO | Pass | State |
| 2022-04-11 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2022-04-11 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | TODD CREEK AREA, Weld, CO | Pass | State |
| 2022-04-08 | DCP OPERATING CO - NORTHSTAR C.S. | EATON 3.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-07 | SIMCOE - WOLF POINT CENTRAL DELIVERY POINT | LA PLATA COUNTY, La Plata, CO | Pass | U.S. EPA |
| 2022-04-06 | SIMCOE - MIERA CENTRAL DELIVERY POINT | LA PLATA COUNTY, La Plata, CO | Pass | U.S. EPA |
| 2022-04-05 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-05 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-04-05 | SIMCOE - MIERA CENTRAL DELIVERY POINT | LA PLATA COUNTY, La Plata, CO | Pass | U.S. EPA |
| 2022-04-04 | DCP OPERATING CO - MILTON C.S. | LA SALLE 8.3 MI. N OF, Weld, CO | Pass | State |
| 2022-04-04 | DCP OPERATING CO - MILTON C.S. | LA SALLE 8.3 MI. N OF, Weld, CO | Pass | State |
| 2022-04-01 | RED CEDAR GATHERING COMPANY - SOUTH IGNACIO CENTRAL DEL | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2022-03-31 | LIVANOVA HOLDING USA - 14401 W 65TH WAY | ARVADA, Jefferson, CO | Pass | State |
| 2022-03-30 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2022-03-29 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | GOLDEN, Jefferson, CO | Pass | State |
| 2022-03-29 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2022-03-29 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2022-03-28 | UNIV OF COLO - ANSCHUTZ MEDICAL CAMPUS | AURORA, Adams, CO | Pass | State |
| 2022-03-28 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2022-03-28 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2022-03-24 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Pass | State |
| 2022-03-24 | GRAND RIVER GATHERING - PUMBA CS | RIFLE 3.4 MI. S OF, Garfield, CO | Pass | State |
| 2022-03-23 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Pass | State |
| 2022-03-23 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Pass | State |
| 2022-03-23 | GRAND RIVER GATHERING - PUMBA CS | RIFLE 3.4 MI. S OF, Garfield, CO | Pass | State |
| 2022-03-22 | ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S. | BRIGHTON 3.0 MI. E OF, Adams, CO | Pass | State |
| 2022-03-22 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2022-03-20 | PUEBLO CHEMICAL DEPOT - US ARMY | PUEBLO, Pueblo, CO | Pass | State |
| 2022-03-18 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2022-03-18 | DCP OPERATING CO - 70 RANCH CS | KERSEY 3.3 MI. E OF, Weld, CO | Pass | State |
| 2022-03-18 | RED CEDAR GATHERING COMPANY - SAMBRITO COMPRESSOR STATION | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2022-03-17 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2022-03-17 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2022-03-17 | LARIMER COUNTY SOLID WASTE — high-priority violation on file | FORT COLLINS AREA, Larimer, CO | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.