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 |
|---|---|---|---|---|
| 2025-08-20 | BARGATH LLC - PARACHUTE CREEK GAS PLANT | PARACHUTE 2.9 MI. NW OF, Garfield, CO | Pass | State |
| 2025-08-19 | BARGATH LLC - PARACHUTE CREEK GAS PLANT | PARACHUTE 2.9 MI. NW OF, Garfield, CO | Pass | State |
| 2025-08-18 | CRESTONE PEAK - ARKANSAS 4-64 3-2 | WATKINS AREA, Arapahoe, CO | Pass | State |
| 2025-08-06 | CRESTONE - STATE BIERSTADT 4-65 35-34 NO | AURORA AREA, Arapahoe, CO | Pass | State |
| 2025-08-06 | CRESTONE - STATE BIERSTADT 4-65 35-34 NO | AURORA AREA, Arapahoe, CO | Pass | State |
| 2025-08-05 | CRESTONE PEAK - RUSH 4-65 29-30 SOUTH | AURORA, Arapahoe, CO | Pass | State |
| 2025-08-05 | CRESTONE PEAK - RUSH 4-65 29-30 SOUTH | AURORA, Arapahoe, CO | Pass | State |
| 2025-08-05 | NOBLE ENERGY - TIMBRO LC13 ECONODE | RAYMER 9.7 MI. NW OF, Weld, CO | Pass | State |
| 2025-08-04 | EXTRACTION OIL & GAS - FRYE NORTH | WINDSOR, Weld, CO | Pass | State |
| 2025-08-04 | EXTRACTION OIL & GAS - FRYE NORTH | WINDSOR, Weld, CO | Pass | State |
| 2025-08-01 | ROCKY MOUNTAIN MIDSTREAM - AUBURN CS | KERSEY AREA, Weld, CO | Pass | State |
| 2025-07-31 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | N/A | State |
| 2025-07-29 | GRAND RIVER GATHERING - PUMBA CS | RIFLE 3.4 MI. S OF, Garfield, CO | Pass | State |
| 2025-07-29 | PRAIRIE OPERATING - BURROUGHS PROD FAC | EATON 3.7 MI. N OF, Weld, CO | Pass | State |
| 2025-07-25 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2025-07-25 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2025-07-25 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2025-07-24 | TEP ROCKY MTN- BAILEY COMPRESSOR STATION | SILT 2.2 MI. S OF, Garfield, CO | Pass | State |
| 2025-07-24 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2025-07-24 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2025-07-23 | TEP ROCKY MOUNTAIN - MAMM CREEK CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2025-07-22 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Pass | State |
| 2025-07-21 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Pass | State |
| 2025-07-21 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Pass | State |
| 2025-07-16 | CRESTONE PEAK RESOURCES - RUSH 4-65 29-3 | AURORA, Arapahoe, CO | Pass | State |
| 2025-07-16 | CRESTONE PEAK RESOURCES - RUSH 4-65 29-3 | AURORA, Arapahoe, CO | Pass | State |
| 2025-07-09 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-06-30 | EXTRACTION O&G - ALMA 1S-66-2524 | DENVER, Adams, CO | Pass | State |
| 2025-06-30 | EXTRACTION O&G - ALMA 1S-66-2524 | DENVER, Adams, CO | Pass | State |
| 2025-06-30 | CRESTONE PEAK - KING 3-65 28-29 | AURORA, Adams, CO | Pass | State |
| 2025-06-27 | ROCKY MOUNTAIN MIDSTREAM - AUBURN CS | KERSEY AREA, Weld, CO | N/A | State |
| 2025-06-23 | DCP OPERATING CO - O'CONNOR GAS PLANT | KERSEY AREA, Weld, CO | Pass | State |
| 2025-06-23 | DCP OPERATING CO - O'CONNOR GAS PLANT | KERSEY AREA, Weld, CO | Pass | State |
| 2025-06-19 | BARGATH LLC - PARACHUTE CREEK GAS PLANT | PARACHUTE 2.9 MI. NW OF, Garfield, CO | Pass | State |
| 2025-06-19 | BARGATH LLC - PARACHUTE CREEK GAS PLANT | PARACHUTE 2.9 MI. NW OF, Garfield, CO | Pass | State |
| 2025-06-19 | DCP OPERATING CO - SULLIVAN C.S. | KERSEY 16.1 MI. NE OF, Weld, CO | Pass | State |
| 2025-06-19 | PRAIRIE OPERATING CO - REEMAN PAD | EATON AREA, Weld, CO | Pass | State |
| 2025-06-18 | BARGATH LLC - PARACHUTE CREEK GAS PLANT | PARACHUTE 2.9 MI. NW OF, Garfield, CO | Pass | State |
| 2025-06-18 | BARGATH LLC - PARACHUTE CREEK GAS PLANT | PARACHUTE 2.9 MI. NW OF, Garfield, CO | Pass | State |
| 2025-06-18 | BONANZA CREEK ENERGY - ANTELOPE SECTION | KERSEY 9.2 MI. E OF, Weld, CO | Pass | State |
| 2025-06-18 | DCP OPERATING CO - ROCKY TURBINE CS | KERSEY 8.6 MI. NE OF, Weld, CO | Pass | State |
| 2025-06-18 | DCP OPERATING CO - ROCKY TURBINE CS | KERSEY 8.6 MI. NE OF, Weld, CO | Pass | State |
| 2025-06-16 | PDC ENERGY - BRANT LE PAD | TODD CREEK, Adams, CO | Pass | State |
| 2025-06-09 | PDC ENERGY - VOLT 5 SEC HZ | GREELEY, Weld, CO | Fail | State |
| 2025-06-03 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-06-03 | NOBLE ENERGY - CUTTHROAT,BROOK,RAINBOW | RAYMER (NEW RAYMER) 10.0 MI. N, Weld, CO | Pass | State |
| 2025-05-29 | ROCKY MOUNTAIN MIDSTREAM - WATKINS C.S. | BENNETT AREA, Adams, CO | N/A | State |
| 2025-05-28 | ROCKIES EXPRESS PIPELINE - BIG HOLE CS | CRAIG 30.5 MI. NW OF, Moffat, CO | Pass | State |
| 2025-05-28 | UTAH GAS - DRAGON TRAIL — high-priority violation on file | RANGELY 16.7 MI. S OF, Rio Blanco, CO | Pass | State |
| 2025-05-28 | UTAH GAS - DRAGON TRAIL — high-priority violation on file | RANGELY 16.7 MI. S OF, Rio Blanco, CO | Pass | State |
| 2025-05-28 | UTAH GAS - DRAGON TRAIL — high-priority violation on file | RANGELY 16.7 MI. S OF, Rio Blanco, CO | Pass | State |
| 2025-05-28 | UTAH GAS - WEST DRAGON TRAIL C.S. | RANGELY 15.4 MI. S OF, Rio Blanco, CO | Pass | State |
| 2025-05-27 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Pass | State |
| 2025-05-23 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Pass | State |
| 2025-05-23 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Pass | State |
| 2025-05-22 | WES DJ GAS PROC - WATTENBERG PLANT | AURORA, Adams, CO | Pass | State |
| 2025-05-22 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-05-22 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2025-05-21 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-05-21 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2025-05-20 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-05-20 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-05-20 | BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file | MEEKER 23.2 MI. W OF, Rio Blanco, CO | Pass | State |
| 2025-05-20 | NOBLE ENERGY - WELLS RANCH AA11 ECONODE | KERSEY 10.7 MI. NE OF, Weld, CO | Pass | State |
| 2025-05-14 | BONANZA CREEK - NORTH PLATTE SECTION 34 | KERSEY 6.3 MI. E OF, Weld, CO | Pass | State |
| 2025-05-13 | EXTRACTION - WINDSOR LV2 PROD FACILITY | SEVERANCE AREA, Weld, CO | Pass | State |
| 2025-05-09 | GRAND RIVER GATHERING - PUMBA CS | RIFLE 3.4 MI. S OF, Garfield, CO | Pass | State |
| 2025-05-09 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2025-05-08 | QB ENERGY OPERATING - GASAWAY CS | GARFIELD COUNTY, Garfield, CO | Pass | State |
| 2025-05-08 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2025-05-08 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2025-05-07 | QB ENERGY OPERATING - GASAWAY CS | GARFIELD COUNTY, Garfield, CO | Pass | State |
| 2025-05-07 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2025-05-06 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2025-05-06 | DCP OPERATING CO - GODFREY BOTTOM C.S. | EVANS AREA, Weld, CO | Pass | State |
| 2025-05-06 | DCP OPERATING CO - GODFREY BOTTOM C.S. | EVANS AREA, Weld, CO | Pass | State |
| 2025-05-05 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2025-05-05 | DCP OPERATING - CANVASBACK C.S. | GREELEY, Weld, CO | Pass | State |
| 2025-05-05 | OWN RESOURCES OPERATING - KORF C.S. | ECKLEY 13.5 MI. N OF, Yuma, CO | Pass | State |
| 2025-04-29 | CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file | AURORA, Adams, CO | Pass | State |
| 2025-04-29 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Fail | State |
| 2025-04-29 | SUMMIT DJ-S - GROVER COMPRESSOR STATION | GROVER 11.4 MI. SE OF, Weld, CO | Pass | State |
| 2025-04-29 | PRAIRIE OPERATING - ELDER PAD | EATON 3.7 MI. N OF, Weld, CO | Pass | State |
| 2025-04-28 | QB ENERGY OPERATING - CDP J25 496 | PARACHUTE 14.6 MI. N OF, Garfield, CO | Pass | State |
| 2025-04-25 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-25 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-24 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2025-04-24 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2025-04-24 | NOBLE ENERGY - LC24-6 ECONODE T9N-R59W-S | RAYMER (NEW RAYMER) 9.5 MI. N, Weld, CO | Pass | State |
| 2025-04-23 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2025-04-23 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2025-04-23 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2025-04-22 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2025-04-22 | LARAMIE ENERGY - MVS COMPRESSOR STATION | COLLBRAN 10.8 MI. E OF, Mesa, CO | Pass | State |
| 2025-04-22 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | N/A | State |
| 2025-04-21 | SUMMIT DJ-O OPERATING - MAKENA GAS PLANT | GROVER 16.1 MI. N OF, Weld, CO | Pass | State |
| 2025-04-18 | CRESTONE - STATE BIERSTADT 4-65 35-34 NO | AURORA AREA, Arapahoe, CO | Pass | State |
| 2025-04-16 | WES DJ GATHERING - LATHAM GAS PLANT | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-15 | DCP OPERATING CO - NORTHSTAR C.S. | EATON 3.4 MI. N OF, Weld, CO | Pass | State |
| 2025-04-15 | DCP OPERATING CO - NORTHSTAR C.S. | EATON 3.4 MI. N OF, Weld, CO | Pass | State |
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.