EPA Air · violations by state and year
High-priority air violations in Colorado, 2024
- 245Violations
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 tier below it. Every violation below was recorded against a source in Colorado during 2024; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Colorado, 2024
- Weld County 128
- Garfield County 18
- Adams County 15
- Arapahoe County 10
- Jefferson County 9
- Denver County 8
- Moffat County 5
- Undetermined County 5
- Larimer County 5
- Rio Blanco County 4
- Las Animas County 4
- Jackson County 3
- Pueblo County 3
- Mesa County 3
- Morgan County 3
Colorado, other years
High-priority air violations recorded in Colorado, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-12-26 | QUIKRETE-CONCRETE BAGGING PLANT | DENVER, Adams, CO | Earliest FRV determination | State |
| 2024-12-26 | CRESTONE PEAK - SUNSET 4-65 21-22 1H/ | AURORA, Arapahoe, CO | Earliest FRV determination | State |
| 2024-12-25 | ALTAGAS BRUSH ENERGY - 1500 S CLAYTON ST | BRUSH, Morgan, CO | Earliest FRV determination | State |
| 2024-12-25 | SPELLBOUND ENERGY - AKBARY / 1A PAD | NUNN AREA, Weld, CO | Earliest FRV determination | State |
| 2024-12-24 | WILLIAMS FRONT RANGE - TIGER COMPRESSOR | HUDSON, Weld, CO | Earliest FRV determination | State |
| 2024-12-20 | EXTRACTION - WAKE EAST 32N PROD FACILITY | GREELEY AREA, Weld, CO | Earliest FRV determination | State |
| 2024-12-16 | WILLIFORD ENERGY CO-RHOADES UNIT PLANT | KIT CARSON 7.5 MI. N OF, Cheyenne, CO | Earliest FRV determination | State |
| 2024-12-15 | DIVIDE CREEK-DIVIDE CREEK TREATMENT FAC | SILT 13.2 MI. S OF, Mesa, CO | Earliest FRV determination | State |
| 2024-12-12 | EXTRACTION - WINDSOR LV2 PROD FACILITY | SEVERANCE AREA, Weld, CO | Earliest FRV determination | State |
| 2024-12-11 | QB ENERGY - HAY CANYON TREATMENT FA | FRUITA 21.9 MI. N OF, Garfield, CO | Earliest FRV determination | State |
| 2024-12-10 | CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file | LYONS AREA, Boulder, CO | Earliest FRV determination | State |
| 2024-12-09 | BONANZA CREEK ENERGY- NORTH PLATTE 14-36 | KERSEY, Weld, CO | Earliest FRV determination | State |
| 2024-12-07 | RAPTOR MATERIALS - DURHAM, GREAT WESTERN | GREELEY, Weld, CO | Earliest FRV determination | State |
| 2024-12-05 | SEELEY OIL CO - ISLAND BUTTE B | DOVE CREEK 15.2 MI. S OF, Montezuma, CO | Earliest FRV determination | State |
| 2024-12-05 | PDC ENERGY - HONEY BADGER UPRC BERNHARDT | MILLIKEN AREA, Weld, CO | Earliest FRV determination | State |
| 2024-12-05 | HIGHPOINT - ANSCHUTZ EQUUS FARMS 4-62-28 | ORCHARD 11.6 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-12-05 | HIGHPOINT - ANSCHUTZ EQUUS FARMS 3-62 | ORCHARD 11.4 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-12-05 | SEELEY OIL CO - PORT CAT GEN | DOVE CREEK 15.2 MI. S OF, Undetermined, CO | Earliest FRV determination | State |
| 2024-12-04 | NOBLE ENERGY - CHANDLER ST T3N-R64W-S15 | KEENESBURG 7.9 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-11-27 | BURNCO COLORADO - JEFFCO GRAVEL MINE | GOLDEN, Jefferson, CO | Earliest FRV determination | State |
| 2024-11-27 | GREAT DIVIDE DISPOSAL FACILITY | CRAIG 14.9 MI. NW OF, Moffat, CO | Earliest FRV determination | State |
| 2024-11-21 | CITY & COUNTY OF DENVER - DIA | DENVER, Denver, CO | Earliest FRV determination | State |
| 2024-11-21 | PAWNEE WASTE - PAWNEE WASTE E&P LANDFILL | GROVER 3.8 MI. SE OF, Weld, CO | Earliest FRV determination | State |
| 2024-11-20 | LARAMIE - CASCADE CREEK CENTRAL FACILITY | PARACHUTE 10.2 MI. W OF, Garfield, CO | Earliest FRV determination | State |
| 2024-11-20 | LARAMIE ENERGY - HAWXHURST RANCH | COLLBRAN AREA, Mesa, CO | Earliest FRV determination | State |
| 2024-11-20 | LARAMIE ENERGY - BDU F01-199 PAD | RANGELY 15.8 MI. E OF, Rio Blanco, CO | Earliest FRV determination | State |
| 2024-11-20 | TEP ROCKY MTN - MAUTZ RANCH | RANGELY 22.0 MI. SE OF, Rio Blanco, CO | Earliest FRV determination | State |
| 2024-11-20 | BONANZA CREEK ENERGY - MULE DEER 14-16 | KERSEY 17.7 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2024-11-19 | PEAKVIEW OPER - KOWACH #1-9 | CRAIG AREA, Moffat, CO | Earliest FRV determination | State |
| 2024-11-18 | SUMMIT DJ-O OPERATING - MAKENA GAS PLANT | GROVER 16.1 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-11-14 | SMYRNA READY MIX - CASTLE ROCK READY MIX | CASTLE ROCK, Douglas, CO | Earliest FRV determination | State |
| 2024-11-14 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-11-11 | WASTE MANAGEMENT- BUFFALO RIDGE LANDFILL | KEENESBURG 5.1 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-11-08 | HIGHPOINT - RSU ANSCHUTZ FED 4-61-4 NW | ORCHARD 5.5 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-11-08 | EXTRACTION OIL & GAS - FRYE NORTH | WINDSOR, Weld, CO | Earliest FRV determination | State |
| 2024-11-07 | ALLIED WASTE SYSTEMS - TOWER LANDFILL | COMMERCE CITY, Adams, CO | Earliest FRV determination | State |
| 2024-11-07 | C & J GRAVEL PRODUCTS, INC - MONTOYA PIT | DURANGO AREA, La Plata, CO | Earliest FRV determination | State |
| 2024-11-06 | MINERAL COUNTY LANDFILL | CREEDE AREA, Mineral, CO | Earliest FRV determination | State |
| 2024-11-04 | COORSTEK - TABLE MOUNTAIN CENTER EAST | GOLDEN, Jefferson, CO | Earliest FRV determination | State |
| 2024-11-02 | CURETON FRONT RANGE - FRONT RANGE GAS P | HUDSON AREA, Weld, CO | Earliest FRV determination | State |
| 2024-10-30 | COORSTEK INC - CLEAR CREEK VALLEY PLANT — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Earliest FRV determination | State |
| 2024-10-28 | PETRO OPERATING - HOMESTEAD 01N-66W-34 | BRIGHTON, Weld, CO | Earliest FRV determination | State |
| 2024-10-26 | BONANZA CREEK - STATE PRONGHORN CPF 41-3 | WIGGINS 11.6 MI. NW OF, Weld, CO | Earliest FRV determination | State |
| 2024-10-25 | CRESTONE PEAK - PONY STATION | AURORA AREA, Adams, CO | Earliest FRV determination | State |
| 2024-10-25 | FULCRUM ENERGY - GREGORY 0780 S9 PAD | WALDEN 11.2 MI. N OF, Jackson, CO | Earliest FRV determination | State |
| 2024-10-25 | CRESTONE PEAK - SAM 25H-M166 BATTERY | LOCHBUIE, Weld, CO | Earliest FRV determination | State |
| 2024-10-24 | BONANZA CREEK - STATE SEVENTY HOLES T-6 | KERSEY 9.4 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2024-10-23 | QB ENERGY OPERATING - CDP J25 496 | PARACHUTE 14.6 MI. N OF, Garfield, CO | Earliest FRV determination | State |
| 2024-10-23 | QB ENERGY OPERATING - CDP K22 496 | PARACHUTE 16.4 MI. N OF, Garfield, CO | Earliest FRV determination | State |
| 2024-10-23 | SAN LUIS VALLEY REGIONAL SOLID WASTE AUT | MONTE VISTA 3.7 MI. W OF, Rio Grande, CO | Earliest FRV determination | State |
| 2024-10-17 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-10-16 | OGRIS OPERATING - HILL RANCH 2 C.S. | COKEDALE 16.4 MI. SW OF, Las Animas, CO | Earliest FRV determination | State |
| 2024-10-16 | OGRIS OPERATING - APACHE CANYON 3 C.S. | STONEWALL GAP 3.9 MI. N OF, Las Animas, CO | Earliest FRV determination | State |
| 2024-10-14 | DELTA COUNTY - ELLISON GRAVEL PIT | DELTA AREA, Delta, CO | Earliest FRV determination | State |
| 2024-10-11 | EXTRACTION - MERLIN PRODUCTION FACILITY | WINDSOR, Weld, CO | Earliest FRV determination | State |
| 2024-10-10 | BONANZA CREEK - NORTH PLATTE A-33 | KERSEY 4.5 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2024-10-10 | HIGHPOINT - ANSCHUTZ EQUUS FARMS 4-62-33 | KERSEY 12.8 MI. SE OF, Weld, CO | Earliest FRV determination | State |
| 2024-09-30 | CHAFFEE COUNTY LANDFILL | SALIDA 9.0 MI. NW OF, Chaffee, CO | Earliest FRV determination | State |
| 2024-09-27 | DCP OPERATING CO - TROUDT C.S. | GREELEY, Weld, CO | Earliest FRV determination | State |
| 2024-09-26 | BISON IV - CRITTER CREEK 24-1 PRODUCTION | GROVER 8.0 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-09-25 | SCHMIDT CONST CO - MENZER QUARRY | COLORADO SPRINGS 8.2 MI. SW OF, El Paso, CO | Earliest FRV determination | State |
| 2024-09-25 | PILATUS BUSINESS AIRCRAFT - 11886 SIMMS | BROOMFIELD AREA, Jefferson, CO | Earliest FRV determination | State |
| 2024-09-25 | HIGHPOINT - PETERSON 5-63-30 SWNE | KERSEY 2.9 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2024-09-25 | BISON IV - FOX CREEK 28 SWSE | GROVER 12.4 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-09-21 | CIVITAS NORTH - STAMPEDE 8-60 | GROVER 13.0 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-09-18 | UGC MIDSTREAM - FOUNDATION CREEK CS — high-priority violation on file | RANGELY 27.5 MI. S OF, Rio Blanco, CO | Earliest FRV determination | State |
| 2024-09-11 | FULCRUM ENERGY - SURPRISE CENTRAL FACILI | WALDEN AREA, Jackson, CO | Earliest FRV determination | State |
| 2024-09-10 | EXPEDITION WATER SOLUTIONS - EWS #14 | PLATTEVILLE 4.8 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2024-09-06 | EXTRACTION - HERGERT - LAUNER PRODUC | SEVERANCE AREA, Weld, CO | Earliest FRV determination | State |
| 2024-09-05 | STRACHAN EXPLORATION - LOOMIS 2-1H | RAYMER 10.7 MI. W OF, Weld, CO | Earliest FRV determination | State |
| 2024-09-04 | SEELEY OIL COMPANY- LANIER FARMS 34-25#1 | DOVE CREEK 10.8 MI. S OF, Montezuma, CO | Earliest FRV determination | State |
| 2024-09-04 | 31 OPERATING - WRD UNIT 29-33 | MEEKER 14.3 MI. W OF, Rio Blanco, CO | Earliest FRV determination | State |
| 2024-09-04 | EXTRACTION O&G - JANSSEN 8-G | EATON AREA, Weld, CO | Earliest FRV determination | State |
| 2024-09-03 | FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17 | WALDEN 11.6 MI. N OF, Jackson, CO | Earliest FRV determination | State |
| 2024-09-03 | C&J GRAVEL PRODUCTS - CU GENSET | DURANGO AREA, Undetermined, CO | Earliest FRV determination | State |
| 2024-08-31 | EXTRACTION OIL & GAS - KENNEDY PROD FAC. | BERTHOUD AREA, Weld, CO | Earliest FRV determination | State |
| 2024-08-31 | EXTRACTION O&G - HFE 22-P PROD FACILITY | BERTHOUD AREA, Weld, CO | Earliest FRV determination | State |
| 2024-08-31 | POCO HOLDCO, LLC - DOUBLE J 35-11 PAD | HUDSON AREA, Weld, CO | Earliest FRV determination | State |
| 2024-08-29 | DCP OPERATING CO - GODFREY BOTTOM C.S. | EVANS AREA, Weld, CO | Earliest FRV determination | State |
| 2024-08-22 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Earliest FRV determination | State |
| 2024-08-22 | BONANZA CREEK - PRONGHORN 14-11-7HZ | KERSEY 14.3 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2024-08-22 | VERDAD RESOURCES - BRINGELSON FED 2021 | RAYMER (NEW RAYMER) 8.2 MI. N, Weld, CO | Earliest FRV determination | State |
| 2024-08-21 | PRAIRIE OPERATING - EAST AULT TANK BATT | AULT AREA, Weld, CO | Earliest FRV determination | State |
| 2024-08-19 | GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file | PUEBLO 4.5 MI. S OF, Pueblo, CO | HPV day-zero determination | State |
| 2024-08-19 | ROCKY MTN AGG AND CONST - CRUSHER #1 | MONTROSE, Undetermined, CO | Earliest FRV determination | State |
| 2024-08-18 | US MIX CO. | DENVER, Denver, CO | Earliest FRV determination | State |
| 2024-08-18 | MOUNTAIN CEMENT CO | DENVER, Denver, CO | Earliest FRV determination | State |
| 2024-08-18 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Earliest FRV determination | State |
| 2024-08-16 | ARGALI EXPLORATION - BLUE GRAVEL COMPRES | CRAIG 10.8 MI. N OF, Moffat, CO | Earliest FRV determination | State |
| 2024-08-16 | ARGALI EXPLORATION CO - NORTH CRAIG CS | CRAIG 5.7 MI. N OF, Moffat, CO | Earliest FRV determination | State |
| 2024-08-14 | POUDRE VALLEY HEALTH SYSTEM - HOSPITAL | FORT COLLINS, Larimer, CO | Earliest FRV determination | State |
| 2024-08-11 | PRAIRIE OPERATING - ELDER PAD | EATON 3.7 MI. N OF, Weld, CO | Earliest FRV determination | State |
| 2024-08-01 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Earliest FRV determination | State |
| 2024-08-01 | GUNSLINGER CUSTOM PAINT | GOLDEN, Jefferson, CO | Earliest FRV determination | State |
| 2024-08-01 | WITTENBERG LEASE | AKRON 26.9 MI. S OF, Washington, CO | Earliest FRV determination | State |
| 2024-07-30 | NOBLE ENERGY - WELLS RANCH AE20 ECONODE | KERSEY 11.1 MI. NE OF, Weld, CO | Earliest FRV determination | State |
| 2024-07-29 | 9920109981 D-A PACKAGING, LLC | COMMERCE CITY, Adams, CO | Earliest FRV determination | State |
| 2024-07-25 | DCP OPERATING CO - WELLS RANCH CS | KERSEY 7.7 MI. NE OF, Weld, CO | Earliest FRV determination | State |
| 2024-07-24 | CRESTONE PEAK - CHICO 4-65 26-25 3AH-2B | AURORA AREA, Arapahoe, CO | Earliest FRV determination | State |
| 2024-07-24 | CRESTONE PEAK - PROSPER FARMS 4-65,11-12 | AURORA AREA, Arapahoe, CO | Earliest FRV determination | State |
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Dates as filed by the agency that recorded the violation. Figures from EPA’s ICIS-AIR download.