EPA Air · violations by state, industry and year
Oil and gas extraction (NAICS 2111): violations in Colorado, 2025
- 112Violations
A high-priority violation is the most serious class of Clean Air Act non-compliance an agency records against a source; a federally reportable violation is the next step down in severity. Each row is one violation 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
- Mining and quarrying (NAICS 2123) 15
- Hospitals (NAICS 6221) 5
- Waste management and remediation (NAICS 5622) 5
- Fabricated metal product manufacturing (NAICS 3329) 3
- Personal and laundry services (NAICS 8122) 3
- Nonmetallic mineral product manufacturing (NAICS 3272) 3
High-priority air violations recorded in Colorado, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-11 | SUMMIT DJ-O OPERATING - KOKI — high-priority violation on file | JACKSON LAKE, Weld, CO | Earliest FRV determination | State |
| 2025-12-09 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Earliest FRV determination | State |
| 2025-12-04 | MULL DRILLING - NWAU #2 TANK BATTERY — high-priority violation on file | CHEYENNE WELLS 9.2 MI. NE OF, Cheyenne, CO | Earliest FRV determination | State |
| 2025-12-01 | KP KAUFFMAN - PIERRE B PRODUCTION BATTER — high-priority violation on file | WALDEN 3.9 MI. N OF, Jackson, CO | Earliest FRV determination | State |
| 2025-11-13 | ENERGY INVESTMENTS - WOLF MTN 15-2-7-87 — high-priority violation on file | HAYDEN 7.1 MI. NE OF, Routt, CO | Earliest FRV determination | State |
| 2025-11-06 | OGRIS OPERATING - HILL RANCH 3 C.S. — high-priority violation on file | COKEDALE 18.2 MI. SW OF, Las Animas, CO | Earliest FRV determination | State |
| 2025-11-04 | ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file | LA SALLE 8.4 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-10-16 | BOSSELMAN TANK & TRAIL - 8999 E 96TH AVE — high-priority violation on file | COMMERCE CITY, Adams, CO | Earliest FRV determination | State |
| 2025-10-15 | POLARIS PRODUCTION OPCO- SILVERTON 16-10 — high-priority violation on file | GENOA 18.1 MI. N OF, Lincoln, CO | Earliest FRV determination | State |
| 2025-10-15 | POLARIS PRODUCTION OPCO - TAOS 1-10 — high-priority violation on file | GENOA 18.7 MI. N OF, Lincoln, CO | Earliest FRV determination | State |
| 2025-10-13 | POLARIS PRODUCTION OPCO - BIG SKY 5-11 — high-priority violation on file | GENOA 18.7 MI. N OF, Lincoln, CO | Earliest FRV determination | State |
| 2025-09-25 | 1876 RESOURCES - MARKHAM PAD — high-priority violation on file | MEAD AREA, Weld, CO | Earliest FRV determination | State |
| 2025-09-25 | PDC ENERGY - MCNEAR 10-9 PAD | GREELEY AREA, Weld, CO | Earliest FRV determination | State |
| 2025-09-23 | KP KAUFFMAN - PIERRE B PRODUCTION BATTER — high-priority violation on file | WALDEN 3.9 MI. N OF, Jackson, CO | Earliest FRV determination | State |
| 2025-08-29 | TEP ROCKY MTN - STARKEY TANK FACILITY | PARACHUTE 3.3 MI. N OF, Garfield, CO | Earliest FRV determination | State |
| 2025-08-27 | STRACHAN EXPLORATION - LOGAN 2H | RAYMER 9.0 MI. SW OF, Weld, CO | Earliest FRV determination | State |
| 2025-08-27 | STRACHAN EXPLORATION - FORD FAMILY | RAYMER 10.5 MI. SW OF, Weld, CO | Earliest FRV determination | State |
| 2025-08-27 | PDC ENERGY - SPINNEY | PLATTEVILLE AREA, Weld, CO | Earliest FRV determination | State |
| 2025-08-19 | INVESTMENT EQUIP - CLIFFORD CAUSEY BATT | DEER TRAIL 22.5 MI. NE OF, Adams, CO | Earliest FRV determination | State |
| 2025-08-19 | FRITZLER RESOURCES - WAILES LEASE | AURORA 8.3 MI. N OF, Adams, CO | Earliest FRV determination | State |
| 2025-08-09 | ROCKY MOUNTAIN MIDSTREAM - AUBURN CS | KERSEY AREA, Weld, CO | Earliest FRV determination | State |
| 2025-08-05 | K.P. KAUFFMAN - STANDLEY 1-2 & 2-2 | THORNTON, Adams, CO | Earliest FRV determination | State |
| 2025-07-24 | AUSCO - TRIGGER/TRUMPETFISH 22-31 PAD | ROCKVALE AREA, Fremont, CO | Earliest FRV determination | State |
| 2025-07-24 | AUSCO PETROLEUM - OILFISH 24-30 WELL PAD | ROCKVALE AREA, Fremont, CO | Earliest FRV determination | State |
| 2025-07-24 | BONANZA CREEK ENERGY - MULE DEER 14-16 | KERSEY 17.7 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2025-07-22 | MULL DRILLING - MUSF #2 CRUDE OIL BAT — high-priority violation on file | KIT CARSON 8.6 MI. NW OF, Cheyenne, CO | Earliest FRV determination | State |
| 2025-07-17 | CRESTONE PEAK - BIGHORN 17H-P267 | FIRESTONE, Weld, CO | Earliest FRV determination | State |
| 2025-06-26 | CITATION OIL - MOUNT PEARL FACILITY | KIT CARSON 7.7 MI. N OF, Cheyenne, CO | Earliest FRV determination | State |
| 2025-06-26 | CITATION O & G - MPU 33-30 | KIT CARSON 9.1 MI. NE OF, Cheyenne, CO | Earliest FRV determination | State |
| 2025-06-26 | CITATION OIL & GAS - BLEDSOE 13-12 | FLAGLER 19.1 MI. S OF, Cheyenne, CO | Earliest FRV determination | State |
| 2025-06-26 | CITATION OIL ARAPAHOE SECTION 9 | CHEYENNE WELLS 11.3 MI. N OF, Cheyenne, CO | Earliest FRV determination | State |
| 2025-06-25 | AUSCO PETROLEUM - LIBERTY 32-32 WELL PAD | COAL CREEK AREA, Fremont, CO | Earliest FRV determination | State |
| 2025-06-25 | STRACHAN EXPLORATION - REINES 1-1H | RAYMER 9.7 MI. W OF, Weld, CO | Earliest FRV determination | State |
| 2025-06-25 | STRACHAN EXPLORATION - WAVES 1H | RAYMER 11.6 MI. W OF, Weld, CO | Earliest FRV determination | State |
| 2025-06-13 | MOONRISE - REDTAIL GAS PLANT | RAYMER (NEW RAYMER) 14.7 MI. N, Weld, CO | Earliest FRV determination | State |
| 2025-06-13 | DCP OPERATING CO - MILTON C.S. | LA SALLE 8.3 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-06-12 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | FORT LUPTON, Weld, CO | Earliest FRV determination | State |
| 2025-06-12 | BONANZA CRK-CROW VALLEY 7-62-35-2H/26-2H | KERSEY 16.4 MI. NE OF, Weld, CO | Earliest FRV determination | State |
| 2025-06-11 | HIGHPOINT - ANSCHUTZ STATE 5-62-25-0108X | ORCHARD 8.8 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-06-11 | HIGHPOINT - ANSCHUTZ COFFELT 5-61-35_36 | WIGGINS 10.4 MI. NW OF, Weld, CO | Earliest FRV determination | State |
| 2025-06-11 | PDC ENERGY - DITTMER KE PAD | BRIGHTON AREA, Weld, CO | Earliest FRV determination | State |
| 2025-06-05 | BONANZA CREEK ENERGY - ANTELOPE SECTION | KERSEY 9.2 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2025-05-27 | RENEGADE OIL & GAS - WHITEHEAD 4-11 | COMANCHE CREEK AREA, Elbert, CO | Earliest FRV determination | State |
| 2025-05-26 | KERR-MCGEE O&G - 34003926 | JOHNSTOWN AREA, Weld, CO | Earliest FRV determination | State |
| 2025-05-26 | K.P. KAUFFMAN - KOESTER #3-33-3 | JOHNSTOWN AREA, Weld, CO | Earliest FRV determination | State |
| 2025-05-26 | PDC ENERGY - MARCUS LD PAD | THORNTON AREA, Weld, CO | Earliest FRV determination | State |
| 2025-05-26 | PDC - WIEDEMAN TRUST FEDERAL SEC 29 PAD | GILCREST AREA, Weld, CO | Earliest FRV determination | State |
| 2025-05-25 | STRACHAN EXPLORATION - STAUDINGER 1-31H | GROVER 16.4 MI. S OF, Weld, CO | Earliest FRV determination | State |
| 2025-05-25 | BISON IV - BASHOR WELL PAD | GROVER AREA, Weld, CO | Earliest FRV determination | State |
| 2025-05-24 | KERR-MCGEE - X20529 36112878 SCHOMBER 35 | FORT LUPTON AREA, Weld, CO | Earliest FRV determination | State |
| 2025-05-20 | PRAIRIE OPERATING CO - SRC GEIS HZ TANK | EATON 3.1 MI. NE OF, Weld, CO | Earliest FRV determination | State |
| 2025-05-19 | PDC ENERGY, INC. - HAROLD 6 SEC HZ | KERSEY 3.0 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-05-19 | PDC ENERGY - CHALK-SEELEY FEDERAL 26 SEC | GREELEY AREA, Weld, CO | Earliest FRV determination | State |
| 2025-05-05 | CRESTONE PEAK - TIBERIUS 4-64 8-7 NORTH | WATKINS, Arapahoe, CO | Earliest FRV determination | State |
| 2025-05-05 | CRESTONE PEAK - ARKANSAS 4-64 3-2 | WATKINS AREA, Arapahoe, CO | Earliest FRV determination | State |
| 2025-05-05 | NOBLE - PLUSS SHELTON T4N-R65W-S25 L02 | LA SALLE 5.9 MI. SE OF, Weld, CO | Earliest FRV determination | State |
| 2025-05-05 | BISON IV - WHITETAIL F-4 PRODUCTION | KERSEY 14.2 MI. NE OF, Weld, CO | Earliest FRV determination | State |
| 2025-05-04 | KTM OPERATING - CRAIG 4-4 TANK BATTERY | HUGO 19.1 MI. S OF, Lincoln, CO | Earliest FRV determination | State |
| 2025-04-29 | CRESTONE - HERREN 33H-H367 | FIRESTONE AREA, Weld, CO | Earliest FRV determination | State |
| 2025-04-24 | PRAIRIE OPERATING - BURROUGHS PROD FAC | EATON 3.7 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-04-22 | TYLER ROCKIES - PEORIA #36 & #56 | PEORIA, Arapahoe, CO | Earliest FRV determination | State |
| 2025-04-22 | OGRIS OPERATING - HILL RANCH 4 C.S. | COKEDALE 16.3 MI. SW OF, Las Animas, CO | Earliest FRV determination | State |
| 2025-04-22 | OGRIS OPERATING - GOLDEN EAGLE 6 C.S. | WESTON AREA, Las Animas, CO | Earliest FRV determination | State |
| 2025-04-22 | EXTRACTION OIL & GAS - RAINDANCE PF | WINDSOR, Weld, CO | Earliest FRV determination | State |
| 2025-04-22 | BISON IV - SALT RANCH FEE 18 PAD | GROVER AREA, Weld, CO | Earliest FRV determination | State |
| 2025-04-21 | K.P. KAUFFMAN CO, INC. - KOESTER 18-33 | JOHNSTOWN AREA, Weld, CO | Earliest FRV determination | State |
| 2025-04-21 | PDC ENERGY, INC. - JAGGED 8 SEC HZ | KERSEY 3.5 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-04-15 | CRESTONE PEAK - SHELEY 1 BATTERY | FIRESTONE, Weld, CO | Earliest FRV determination | State |
| 2025-04-15 | KP KAUFFMAN - OUR DIANE 31, 32-27 | FREDERICK, Weld, CO | Earliest FRV determination | State |
| 2025-04-15 | BONANZA CREEK - STATE PRONGHORN CPF 41-3 | WIGGINS 11.6 MI. NW OF, Weld, CO | Earliest FRV determination | State |
| 2025-04-15 | WILLIAMS GILCREST- SPEER FACILITY | GILCREST 3.3 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2025-04-15 | MAGPIE OPERATING -MAGPIE COMPRESSOR SITE — high-priority violation on file | JOHNSTOWN AREA, Weld, CO | Earliest FRV determination | State |
| 2025-04-06 | CRESTONE PEAK - GRANDE 4-65 20-19 NORTH | AURORA, Arapahoe, CO | Earliest FRV determination | State |
| 2025-03-20 | STRACHAN EXPLORATION - BUCHNER 2-2H | RAYMER (NEW RAYMER) 10.9 MI. N, Weld, CO | Earliest FRV determination | State |
| 2025-03-19 | WES DJ GAS PROC - WATTENBERG PLANT | AURORA, Adams, CO | Earliest FRV determination | State |
| 2025-03-11 | CRESTONE PEAK - PROPERTY RESERVE 4-65 3- | AURORA, Arapahoe, CO | Earliest FRV determination | State |
| 2025-03-11 | CRESTONE PEAK - ESTRN HILLS 4-65 17-18 S | AURORA, Arapahoe, CO | Earliest FRV determination | State |
| 2025-03-11 | FUNDARE - RAZOR 26 CPB | RAYMER 13.4 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-03-11 | FUNDARE - RAZOR 11 CPB | RAYMER 16.5 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2025-03-11 | POCO HOLDCO LLC - WILLOW 22 WEST | HUDSON AREA, Weld, CO | Earliest FRV determination | State |
| 2025-03-05 | PRAIRIE OPERATING CO - GROVES FARM 34-L | EATON AREA, Weld, CO | Earliest FRV determination | State |
| 2025-03-04 | NOBLE ENERGY - ZIGGY USX T7N-R64W-S19 L0 | EATON 5.2 MI. NE OF, Weld, CO | Earliest FRV determination | State |
| 2025-03-03 | CRESTONE PEAK - RASMUSSEN 19 & H UNIT 1 | FREDERICK AREA, Weld, CO | Earliest FRV determination | State |
| 2025-02-26 | BONANZA CREEK ENERGY- NORTH PLATTE 14-36 | KERSEY, Weld, CO | Earliest FRV determination | State |
| 2025-02-23 | GMT EXPLORATION CO. LLC - CRYSTAL-RUBY | PARKER AREA, Elbert, CO | Earliest FRV determination | State |
| 2025-02-23 | GMT EXPLORATION CO - IRWIN TAYLOR PAD | PARKER AREA, Elbert, CO | Earliest FRV determination | State |
| 2025-02-20 | CRESTONE PEAK - CROW 3-64 29-30 | AURORA, Adams, CO | Earliest FRV determination | State |
| 2025-02-20 | CRESTONE PEAK - YELLOW 3-64 30-25 | AURORA, Adams, CO | Earliest FRV determination | State |
| 2025-02-20 | NOBLE ENERGY - LC11-15 ECONODE T9N-R63W- | RAYMER (NEW RAYMER) 11.1 MI. N, Weld, CO | Earliest FRV determination | State |
| 2025-02-19 | K.P. KAUFFMAN - BOXELDER 28-1 | COMMERCE CITY AREA, Adams, CO | Earliest FRV determination | State |
| 2025-02-19 | K.P. KAUFFMAN - BROWN 11-8 & 13-8 | THORNTON AREA, Adams, CO | Earliest FRV determination | State |
| 2025-02-17 | CRESTONE - STATE BIERSTADT 4-65 35-34 NO | AURORA AREA, Arapahoe, CO | Earliest FRV determination | State |
| 2025-02-16 | POCO HOLDCO - SHOOK PAD | TODD CREEK, Adams, CO | Earliest FRV determination | State |
| 2025-02-14 | HIGHPOINT - RUH 6-62-11 NENW | KERSEY 15.2 MI. NE OF, Weld, CO | Earliest FRV determination | State |
| 2025-02-13 | BONANZA CREEK- NORTH PLATTE 44-13 | KERSEY 8.1 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2025-02-13 | BONANZA CREEK - PARK T-4 PRODUCTION PAD | KERSEY 6.0 MI. SE OF, Weld, CO | Earliest FRV determination | State |
| 2025-02-12 | PETROLEUM DEV - REG 7 & OOOO REPORTING | DENVER, Denver, CO | Earliest FRV determination | State |
| 2025-02-12 | TEP ROCKY MTN - MAUTZ RANCH | RANGELY 22.0 MI. SE OF, Rio Blanco, CO | Earliest FRV determination | State |
| 2025-02-11 | PDC ENERGY - KODAK SOUTH 26 SEC | WINDSOR AREA, Weld, CO | Earliest FRV determination | State |
| 2025-02-08 | DCP OPERATING CO - ROGGEN NGPP — high-priority violation on file | KEENESBURG 4.4 MI. E OF, Weld, CO | Earliest FRV determination | State |
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Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.