EPA Air · violations by state and year
High-priority air violations in Colorado, 2025
- 168Violations
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. Every violation below was recorded against a source in Colorado during 2025; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Colorado, 2025
- Weld County 77
- Adams County 14
- Arapahoe County 8
- Cheyenne County 6
- Fremont County 5
- Jefferson County 4
- Lincoln County 4
- Undetermined County 4
- Mesa County 3
- Elbert County 3
- Denver County 3
- Las Animas County 3
- Montrose County 3
- Garfield County 3
- Pueblo County 3
- Larimer County 3
- Montezuma County 3
Colorado, other years
High-priority air violations recorded in Colorado, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 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 |
| 2025-04-17 | THE MEDICAL CENTER OF AURORA - SOUTH FAC | AURORA, Arapahoe, CO | Earliest FRV determination | State |
| 2025-04-17 | NIST - BOULDER LABS | BOULDER, Boulder, 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 |
| 2025-03-27 | OLDCASTLE SW GRP - GUNNISON EAST RMC | GUNNISON AREA, Gunnison, 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 |
| 2025-03-19 | OWENS-BROCKWAY GLASS - WINDSOR #28 — high-priority violation on file | WINDSOR, Weld, 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 |
| 2025-03-10 | CITIZEN PRINTING CO INC | FORT COLLINS AREA, Larimer, 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 | STONE SAND & GRAVEL - WALLACE PIT | DOLORES AREA, Montezuma, CO | Earliest FRV determination | State |
| 2025-03-03 | CRESTONE PEAK - RASMUSSEN 19 & H UNIT 1 | FREDERICK AREA, Weld, CO | Earliest FRV determination | State |
| 2025-03-02 | HOLCIM-WCR - T.H.E. AGGREGATE SOURCE | CANON CITY AREA, Fremont, CO | Earliest FRV determination | State |
| 2025-03-02 | OLDCASTLE SW - PORTABLE GEN/CRUSHER | PUEBLO WEST, Undetermined, CO | Earliest FRV determination | State |
| 2025-03-02 | OLDCASTLE SW - LIPPMAN JAW CRUSHER 1 | PUEBLO WEST, Undetermined, 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 | OLDCASTLE SW - LAMAR | LAMAR AREA, Prowers, 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 | OLDCASTLE SW - VERHOEFF GRAVEL PIT #1 | HASTY 2.4 MI. N OF, Bent, CO | Earliest FRV determination | State |
| 2025-02-11 | PDC ENERGY - KODAK SOUTH 26 SEC | WINDSOR AREA, Weld, CO | Earliest FRV determination | State |
| 2025-02-10 | UCH-MEMORIAL HOSPITAL - CENTRAL | COLORADO SPRINGS, El Paso, 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 |
| 2025-02-04 | BONANZA CREEK - ANTELOPE CPF 13-21 | KERSEY 10.4 MI. E OF, Weld, CO | Earliest FRV determination | State |
| 2025-02-03 | ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S. | LOCHBUIE AREA, Weld, CO | Earliest FRV determination | State |
| 2025-01-27 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Earliest FRV determination | State |
| 2025-01-27 | MCATEE CONSTRUCTION CO - TIMNATH PIT | WINDSOR AREA, Larimer, CO | Earliest FRV determination | State |
| 2025-01-23 | QB ENERGY OPERATING - N22W PF | RIFLE 6.2 MI. S OF, Garfield, CO | Earliest FRV determination | State |
| 2025-01-23 | QB ENERGY OPERATING - I27W PF | RIFLE 6.9 MI. S OF, Garfield, CO | Earliest FRV determination | State |
| 2025-01-23 | PDC-KLEIN 19 SEC PAD1;JOSEPHINE19 SEC HZ | KERSEY AREA, Weld, CO | Earliest FRV determination | State |
| 2025-01-23 | FUNDARE - RAZOR 12H PROD FACIL | RAYMER (NEW RAYMER) 16.6 MI. N, Weld, CO | Earliest FRV determination | State |
| 2025-01-23 | FUNDARE - HORSETAIL 07 WEST CPB | RAYMER (NEW RAYMER) 16.8 MI. N, Weld, CO | Earliest FRV determination | State |
| 2025-01-21 | BALL METAL BEVERAGE CONTAINER CORP | GOLDEN AREA, Jefferson, CO | Earliest FRV determination | State |
| 2025-01-21 | UTAH GAS - DRAGON TRAIL — high-priority violation on file | RANGELY 16.7 MI. S OF, Rio Blanco, CO | Earliest FRV determination | State |
| 2025-01-21 | 1876 RESOURCES - VAIL PAD | JOHNSTOWN AREA, Weld, CO | Earliest FRV determination | State |
| 2025-01-16 | BELL GENETICS - ROCKY RIDGE SOW CENTER | HASTY 10.3 MI. N OF, Bent, CO | Earliest FRV determination | State |
| 2025-01-09 | MCCARTNEY ENG. - RICE BATTERY | PEETZ 15.7 MI. N OF, Logan, CO | Earliest FRV determination | State |
| 2025-01-08 | GREENGAS COLORADO - LOST CREEK DAIRY | ROGGEN AREA, Weld, CO | Earliest FRV determination | State |
| 2025-01-08 | COLORADO GREENGAS -PROSPECT VALLEY DAIRY | KEENESBURG AREA, Weld, CO | Earliest FRV determination | State |
| 2025-01-01 | BONANZA CREEK - REG 7 & OOOO REPORTING | DENVER, Denver, CO | Earliest FRV determination | State |
| 2025-01-01 | WILLIAMS FRONT RANGE - TIGER COMPRESSOR | HUDSON, Weld, 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.