EPA Air · stack tests by state, industry and year
Oil and gas extraction (NAICS 2111): stack tests in Colorado, 2025
- 286Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2025 at a Colorado source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.
Oil and gas extraction (NAICS 2111) in Colorado, other years
Other industries in Colorado, 2025
- Utilities (NAICS 2211) 34
- Pipeline transportation (NAICS 4862) 17
- Nonmetallic mineral product manufacturing (NAICS 3273) 13
- Waste management and remediation (NAICS 5622) 10
- Fabricated metal product manufacturing (NAICS 3324) 9
- Petroleum and coal products manufacturing (NAICS 3241) 5
- Nonmetallic mineral product manufacturing (NAICS 3272) 5
- Merchant wholesalers, nondurable goods (NAICS 4247) 4
- Food manufacturing (NAICS 3115) 4
- Mining and quarrying (NAICS 2123) 3
- Beverage and tobacco manufacturing (NAICS 3121) 3
Air-emissions stack tests recorded in Colorado, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-04-15 | ROCKY MOUNTAIN MIDSTREAM - AUBURN CS | KERSEY AREA, Weld, CO | Fail | State |
| 2025-04-15 | OWN RESOURCES OPERATING - KORF C.S. | ECKLEY 13.5 MI. N OF, Yuma, CO | N/A | State |
| 2025-04-14 | DCP OPERATING CO - MILTON C.S. | LA SALLE 8.3 MI. N OF, Weld, CO | Pass | State |
| 2025-04-14 | DCP OPERATING CO - MILTON C.S. | LA SALLE 8.3 MI. N OF, Weld, CO | Pass | State |
| 2025-04-13 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-04-10 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-04-10 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-04-10 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2025-04-09 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-04-09 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-04-09 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2025-04-09 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2025-04-09 | EXTRACTION - TRIPLE CREEK PRODUCTION | GREELEY, Weld, CO | Pass | State |
| 2025-04-09 | EXTRACTION - TRIPLE CREEK PRODUCTION | GREELEY, Weld, CO | N/A | State |
| 2025-04-08 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-04-08 | EXTRACTION - TRIPLE CREEK PRODUCTION | GREELEY, Weld, CO | Pass | State |
| 2025-04-07 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-07 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-07 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-07 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-04 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2025-04-04 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2025-04-04 | NOBLE ENERGY-WELLS RANCH AE 30 ECONODE — high-priority violation on file | KERSEY 10.6 MI. NE OF, Weld, CO | Pass | State |
| 2025-04-04 | NOBLE ENERGY - WELLS RANCH AA33 ECONODE | KERSEY 7.5 MI. NE OF, Weld, CO | Pass | State |
| 2025-04-03 | NOBLE ENERGY - WELLS RANCH BB11 ECONODE | KERSEY, Weld, CO | Pass | State |
| 2025-04-02 | QB ENERGY OPERATING - CDP F09 596 | PARACHUTE 13.0 MI. NW OF, Garfield, CO | Pass | State |
| 2025-04-02 | EXTRACTION - ARDREY PRODUCTION FACILITY | EVANS AREA, Weld, CO | Pass | State |
| 2025-04-02 | EXTRACTION - ARDREY PRODUCTION FACILITY | EVANS AREA, Weld, CO | Pass | State |
| 2025-04-01 | WES DJ GAS PROC - WATTENBERG PLANT | AURORA, Adams, CO | Pass | State |
| 2025-04-01 | CRESTONE PEAK - KING 3-65 28-29 | AURORA, Adams, CO | Fail | State |
| 2025-04-01 | CRESTONE PEAK - KING 3-65 28-29 | AURORA, Adams, CO | Fail | State |
| 2025-04-01 | CRESTONE PEAK - KING 3-65 28-29 | AURORA, Adams, CO | Fail | State |
| 2025-04-01 | CRESTONE PEAK - KING 3-65 28-29 | AURORA, Adams, CO | Fail | State |
| 2025-04-01 | CRESTONE PEAK - KING 3-65 28-29 | AURORA, Adams, CO | Fail | State |
| 2025-04-01 | CRESTONE PEAK - KING 3-65 28-29 | AURORA, Adams, CO | Fail | State |
| 2025-04-01 | QB ENERGY OPERATING - CDP J25 496 | PARACHUTE 14.6 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-26 | HIGHPOINT - ANSCHUTZ STATE 5-62-22_23 SW | ORCHARD 10.8 MI. N OF, Weld, CO | Pass | State |
| 2025-03-25 | HIGHPOINT - SIEBRING 5-63-32 SENE PRODUC | KERSEY AREA, Weld, CO | Pass | State |
| 2025-03-19 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-03-18 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-03-18 | NOBLE ENERGY - HULLABALOO Y16-28-A ECONO | KEENESBURG 2.6 MI. N OF, Weld, CO | Pass | State |
| 2025-03-14 | WES DJ GAS PROC - WATTENBERG PLANT | AURORA, Adams, CO | N/A | State |
| 2025-03-14 | UGC MIDSTREAM - FOUNDATION CREEK CS — high-priority violation on file | RANGELY 27.5 MI. S OF, Rio Blanco, CO | Pass | State |
| 2025-03-13 | WES DJ GAS PROC - WATTENBERG PLANT | AURORA, Adams, CO | Pending | State |
| 2025-03-13 | WEXPRO CO - POWDER WASH | CRAIG 47.7 MI. NW OF, Moffat, CO | Pass | State |
| 2025-03-12 | BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file | PARACHUTE 4.3 MI. S OF, Garfield, CO | Pass | State |
| 2025-03-12 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-12 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-12 | COVALENCE DJ, LLC - BIGFOOT 11 | KERSEY AREA, Weld, CO | Fail | State |
| 2025-03-11 | BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file | PARACHUTE 4.3 MI. S OF, Garfield, CO | Pass | State |
| 2025-03-11 | BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file | PARACHUTE 4.3 MI. S OF, Garfield, CO | Pass | State |
| 2025-03-11 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-11 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-11 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-10 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-10 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2025-03-07 | ROCKY MOUNTAIN NAT GAS - PICEANCE | MEEKER 17.4 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-03-05 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2025-03-04 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2025-03-04 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2025-03-03 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | NUNN 14.3 MI. N OF, Weld, CO | Pass | State |
| 2025-02-26 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-02-24 | WES WATTENBURG - CENTRAL OIL STABIL | HUDSON 6.1 MI. N OF, Weld, CO | Pass | State |
| 2025-02-24 | PDC ENERGY - BEEBE 3-34 PAD | GREELEY, Weld, CO | Fail | State |
| 2025-02-24 | PDC ENERGY - BEEBE 3-34 PAD | GREELEY, Weld, CO | Fail | State |
| 2025-02-21 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-02-21 | BONANZA CREEK - WETCO FARMS A-4 PAD | KERSEY 4.8 MI. N OF, Weld, CO | Pass | State |
| 2025-02-21 | PDC ENERGY - BEEBE 3-34 PAD | GREELEY, Weld, CO | Fail | State |
| 2025-02-20 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-02-20 | PDC ENERGY - BEEBE 3-34 PAD | GREELEY, Weld, CO | Pass | State |
| 2025-02-19 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-02-19 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-02-19 | TEP ROCKY MTN - MAUTZ RANCH | RANGELY 22.0 MI. SE OF, Rio Blanco, CO | N/A | State |
| 2025-02-19 | PDC ENERGY - BEEBE 3-34 PAD | GREELEY, Weld, CO | Pass | State |
| 2025-02-18 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-02-18 | PDC ENERGY - BEEBE 3-34 PAD | GREELEY, Weld, CO | Pass | State |
| 2025-02-17 | HIGHPOINT - WETCO 4-63-4 SW PRODUCTION | KERSEY 5.2 MI. N OF, Weld, CO | Pass | State |
| 2025-02-14 | PRAIRIE OPERATING CO - SCHLOTTHAUER PROD | FORT COLLINS AREA, Weld, CO | Pass | State |
| 2025-02-13 | UTAH GAS - PARK CANYON WEST C.S. | RANGELY 19.9 MI. SW OF, Rio Blanco, CO | Pass | State |
| 2025-02-07 | ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS | FORT LUPTON AREA, Weld, CO | Pass | State |
| 2025-02-06 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Pass | State |
| 2025-01-29 | PDC ENERGY - SELTZER LD PAD | TODD CREEK, Adams, CO | Pass | State |
| 2025-01-29 | TEP ROCKY MTN - RG 41-18-297 WELL PAD | MEEKER 23.2 MI. SW OF, Rio Blanco, CO | Pass | State |
| 2025-01-29 | PDC ENERGY - WILLIAMS PAD | JOHNSTOWN AREA, Weld, CO | Pass | State |
| 2025-01-28 | TEP ROCKY MOUNTAIN - SG 11-22 WELL PAD | BATTLEMENT MESA AREA, Garfield, CO | Pass | State |
| 2025-01-14 | NOBLE ENERGY - WELLS RANCH AE05, 06 ECON | KERSEY 12.9 MI. NE OF, Weld, CO | Pass | State |
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Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.