EPA Air · inspections by state, industry and year
Mining and quarrying (NAICS 2123): inspections in Colorado, 2025
- 107Inspections
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source. Each row is one inspection recorded during 2025 at a Colorado source whose primary industry code is NAICS 2123. A facility filing more than one industry code is counted under the first one on its record.
Mining and quarrying (NAICS 2123) in Colorado, other years
Other industries in Colorado, 2025
- Oil and gas extraction (NAICS 2111) 786
- Waste management and remediation (NAICS 5622) 49
- Repair and maintenance (NAICS 8111) 46
- Utilities (NAICS 2211) 44
- Pipeline transportation (NAICS 4862) 29
- Nonmetallic mineral product manufacturing (NAICS 3273) 28
- Personal and laundry services (NAICS 8122) 24
- Merchant wholesalers, nondurable goods (NAICS 4247) 23
- Petroleum and coal products manufacturing (NAICS 3241) 19
- Utilities (NAICS 2213) 15
- Hospitals (NAICS 6221) 12
- Plastics and rubber products manufacturing (NAICS 3261) 9
- National security and international affairs (NAICS 9281) 8
- Printing and related support (NAICS 3231) 7
- Primary metal manufacturing (NAICS 3311) 7
- Educational services (NAICS 6113) 6
- Computer and electronic product manufacturing (NAICS 3344) 6
- Gasoline stations (NAICS 4471) 6
- Mining support (NAICS 2131) 6
- Personal and laundry services (NAICS 8123) 5
- Chemical manufacturing (NAICS 3254) 5
- Data processing and hosting (NAICS 5182) 5
- Nonmetallic mineral product manufacturing (NAICS 3271) 5
- Wood product manufacturing (NAICS 3219) 5
- Chemical manufacturing (NAICS 3251) 5
- Pipeline transportation (NAICS 4861) 5
- Furniture and related product manufacturing (NAICS 3371) 4
- Justice, public order and safety (NAICS 9221) 4
- Food manufacturing (NAICS 3118) 4
- Fabricated metal product manufacturing (NAICS 3329) 4
- Educational services (NAICS 6111) 3
- Heavy and civil engineering construction (NAICS 2373) 3
- Chemical manufacturing (NAICS 3252) 3
- Merchant wholesalers, durable goods (NAICS 4239) 3
- Executive and legislative government (NAICS 9211) 3
- Waste management and remediation (NAICS 5629) 3
- Beverage and tobacco manufacturing (NAICS 3121) 3
- Animal production (NAICS 1121) 3
- Chemical manufacturing (NAICS 3259) 3
- Fabricated metal product manufacturing (NAICS 3328) 3
- Fabricated metal product manufacturing (NAICS 3323) 3
- Nonmetallic mineral product manufacturing (NAICS 3272) 3
- Food manufacturing (NAICS 3111) 3
Air-emissions inspections recorded in Colorado, 2025
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2025-12-16 | MONTROSE COUNTY - LA SALLE PIT | MONTROSE AREA, Montrose, CO | FCE On-Site | State |
| 2025-12-16 | RKY MTN AGGREGATE - UNCOMPAHGRE PIT | MONTROSE 3.2 MI. N OF, Montrose, CO | FCE On-Site | State |
| 2025-12-03 | COLORADO LIME COMPANY - DELTA PLANT | DELTA, Delta, CO | FCE On-Site | State |
| 2025-12-03 | OLDCASTLE SW GROUP - ANDERSON RMC | DELTA AREA, Delta, CO | FCE On-Site | State |
| 2025-11-20 | PETE LIEN & SONS - LIME HYDRATION PLANT | FORT COLLINS 3.5 MI. NW OF, Larimer, CO | FCE On-Site | State |
| 2025-11-18 | KIOWA COUNTY - PETERS PIT | SUGAR CITY 8.6 MI. NE OF, Crowley, CO | FCE On-Site | State |
| 2025-11-18 | WESTERN SLOPE MATERIALS LLC - BLUE PIT — high-priority violation on file | CARBONDALE 2.2 MI. NE OF, Garfield, CO | FCE On-Site | State |
| 2025-11-18 | KIOWA COUNTY - BARNES PIT | SHERIDAN LAKE 11.2 MI. SE OF, Kiowa, CO | FCE On-Site | State |
| 2025-11-18 | KIOWA COUNTY - BARNETT PIT | EADS 6.3 MI. W OF, Kiowa, CO | FCE On-Site | State |
| 2025-11-18 | KIOWA COUNTY - GRAY PIT | HASWELL 10.4 MI. N OF, Kiowa, CO | FCE On-Site | State |
| 2025-11-18 | KIOWA COUNTY - ROTHER PIT | SHERIDAN LAKE 9.1 MI. N OF, Kiowa, CO | FCE On-Site | State |
| 2025-11-18 | MARTIN MARIETTA MTRLS - COTTONWOOD/SHAW | FREDERICK AREA, Weld, CO | FCE On-Site | State |
| 2025-11-18 | MARTIN MARIETTA - PLATTE SAND & GRAVEL | MILLIKEN, Weld, CO | FCE On-Site | State |
| 2025-11-06 | MCATEE CONSTRUCTION CO- HARLEY PIT | STERLING 5.0 MI. N OF, Logan, CO | FCE On-Site | State |
| 2025-10-23 | SMYRNA READY MIX - DEL CAMINO MIX PLANT | FIRESTONE AREA, Weld, CO | FCE On-Site | State |
| 2025-10-15 | OLDCASTLE SW GROUP - MAMM CREEK PIT | RIFLE AREA, Garfield, CO | FCE On-Site | State |
| 2025-10-15 | OLDCASTLE DBA UNITED CO -GLEN'S PIT | RIFLE AREA, Garfield, CO | FCE On-Site | State |
| 2025-10-15 | OLDCASTLE SW GROUP - BERRY PIT | MEEKER, Rio Blanco, CO | FCE On-Site | State |
| 2025-10-14 | OLDCASTLE SW GROUP - HIDDEN VALLEY PIT | GYPSUM 5.3 MI. W OF, Eagle, CO | FCE On-Site | State |
| 2025-09-23 | ARCOSA LWB LLC - LIGHTWEIGHT - BOULDER — high-priority violation on file | SUPERIOR AREA, Jefferson, CO | FCE On-Site | State |
| 2025-09-16 | SOUTHWAY CONSTRUCTION - KING PIT | BLANCA 9.6 MI. NW OF, Alamosa, CO | FCE On-Site | State |
| 2025-09-09 | SCHMIDT CONSTRUCTION - MENCENBERG | CASTLE ROCK 2.1 MI. SE OF, Douglas, CO | FCE On-Site | State |
| 2025-09-02 | SUPERIOR OILFIELD SVCS - NORTH STAR PIT | GROVER 12.6 MI. NW OF, Weld, CO | FCE On-Site | State |
| 2025-09-02 | SUPERIOR OILFIELD SVCS - PORT. GENERATOR — high-priority violation on file | HEREFORD, Undetermined, CO | FCE On-Site | State |
| 2025-09-02 | SUPERIOR OILFIELD SVCS- PORTABLE CRUSHER — high-priority violation on file | GREELEY, Undetermined, CO | FCE On-Site | State |
| 2025-08-27 | OLDCASTLE DBA UNITED CO - BLM PIT #1 | GRAND JUNCTION AREA, Mesa, CO | FCE On-Site | State |
| 2025-08-27 | KILGORE DBA ELAM CONSTRUCTION - ROLAND H | GRAND JUNCTION, Mesa, CO | FCE On-Site | State |
| 2025-08-27 | MONTROSE CNTY - NUCLA BLM PIT | NATURITA AREA, Montrose, CO | FCE On-Site | State |
| 2025-08-27 | WILLIAMS -ALLEN PIT | NORWOOD 5.6 MI. NW OF, Montrose, CO | FCE On-Site | State |
| 2025-08-26 | MONTROSE COUNTY - NEAL PIT | OLATHE AREA, Montrose, CO | FCE On-Site | State |
| 2025-08-26 | MONTROSE COUNTY - SODERQUIST PIT | MONTROSE 14.7 MI. E OF, Montrose, CO | FCE On-Site | State |
| 2025-08-26 | MONTROSE COUNTY - CEDAR CREEK PIT | MONTROSE 3.6 MI. E OF, Montrose, CO | FCE On-Site | State |
| 2025-08-26 | BURNCO COLORADO - NISSEN GRAVEL MINE — high-priority violation on file | GREELEY AREA, Weld, CO | PCE Off-Site | State |
| 2025-08-26 | BURNCO COLORADO LLC - INOUYE PIT — high-priority violation on file | FORT LUPTON AREA, Weld, CO | PCE Off-Site | State |
| 2025-08-26 | BURNCO COLORADO - EWING GRAVEL MINE — high-priority violation on file | FORT LUPTON AREA, Weld, CO | PCE Off-Site | State |
| 2025-08-26 | STEIN CRUSHER - PORTABLE CRUSHER/SCREEN | DELTA, Undetermined, CO | FCE On-Site | State |
| 2025-08-25 | ARCOSA LWB LLC - LIGHTWEIGHT - BOULDER — high-priority violation on file | SUPERIOR AREA, Jefferson, CO | PCE On-Site | State |
| 2025-08-19 | J & D SAND AND GRAVEL - SHEEHAN PIT | CRAIG, 31.9 MI N OF, Moffat, CO | FCE On-Site | State |
| 2025-08-19 | BRB LLC - TAYLOR PIT/HERTZOG | CRAIG 21.5 MI. W OF, Moffat, CO | FCE On-Site | State |
| 2025-08-19 | ASPHALT SPECIALTIES -TURNPIKE MINING PIT | ERIE AREA, Weld, CO | FCE On-Site | State |
| 2025-08-19 | ASPHALT SPECIALTIES - CHAVERS RCYCL CNTR | FORT LUPTON, Weld, CO | FCE On-Site | State |
| 2025-08-19 | ASPHALT SPECIALTIES - NELSON PORT SCRN | EVANS, Undetermined, CO | FCE On-Site | State |
| 2025-08-13 | ALBERT FREI & SONS - AFS BENNETT PIT | BENNETT 3.4 MI. N OF, Adams, CO | FCE On-Site | State |
| 2025-08-13 | BRANNAN SAND AND GRAVEL- MCCLOSKEY 81055 | DENVER, Undetermined, CO | FCE On-Site | State |
| 2025-08-13 | ALBERT FREI & SONS - PORT SCREEN 194679 | BENNETT, Undetermined, CO | FCE On-Site | State |
| 2025-08-07 | BRANNAN SAND & GRAVEL - PIT R | DENVER AREA, Adams, CO | FCE On-Site | State |
| 2025-08-07 | KILGORE DBA PEAK MATERIALS - PEAK RANCH | SILVERTHORNE, Summit, CO | FCE On-Site | State |
| 2025-08-05 | OAKLANDS RANCH - OAKLANDSRANCH PIT | CASTLE ROCK AREA, Douglas, CO | FCE On-Site | State |
| 2025-07-23 | ROBINSON SONS, INC- GRAVEL PIT NO 1 | WESTON, Las Animas, CO | FCE On-Site | State |
| 2025-07-18 | ADAMS COUNTY - MANN LAKE PIT | BRIGHTON AREA, Adams, CO | FCE On-Site | State |
| 2025-07-17 | PROWERS CO SEUFER & REYNOLDS PIT | HOLLY 3.3 MI. N OF, Prowers, CO | FCE On-Site | State |
| 2025-07-07 | BRANNAN SAND & GRAVEL - PIT 29 | BRIGHTON, Adams, CO | FCE On-Site | State |
| 2025-06-30 | DEL HUR INDUSTRIES, INC. | WALSENBURG 8.4 MI. E OF, Huerfano, CO | FCE On-Site | State |
| 2025-06-26 | OLDCASTLE SW GROUP - GOODRICH PIT | KIM 7.3 MI. N OF, Las Animas, CO | FCE On-Site | State |
| 2025-06-24 | PAUL MORGAN EXCAVATING- MORGAN PIT | LA VETA AREA, Huerfano, CO | FCE On-Site | State |
| 2025-06-17 | LEONE SAND AND GRAVEL - PIT #2 | TRINIDAD 3.7 MI. NE OF, Las Animas, CO | FCE On-Site | State |
| 2025-06-10 | TAMROCK GRAVEL - BOTTOMLESS PIT | TRINIDAD 3.3 MI. NE OF, Las Animas, CO | FCE On-Site | State |
| 2025-06-09 | ELAM CONSTRUCTIO - FLYING TRIANGLE RANCH | CRAIG, Moffat, CO | FCE On-Site | State |
| 2025-06-06 | KIEWIT-BARNARD JOINT VENTURE - GROSS RES | GOLDEN AREA, Boulder, CO | FCE On-Site | State |
| 2025-06-04 | CITY OF COLO SPRINGS - SNYDER QUARRY | COLORADO SPRINGS AREA, El Paso, CO | FCE On-Site | State |
| 2025-05-25 | HOLCIM-WCR INC - IRWIN-THOMAS PIT | LONGMONT AREA, Boulder, CO | FCE On-Site | State |
| 2025-05-22 | KILGORE DBA PEAK MAT - MCR RMC BATCH | SILVERTHORNE AREA, Summit, CO | FCE On-Site | State |
| 2025-05-16 | OLDCASTLE SW GROUP - PENROSE PIT | FLORENCE AREA, Fremont, CO | FCE On-Site | State |
| 2025-05-16 | OLDCASTLE SW - GENERATOR CRUSHER 2 | CANON CITY, Undetermined, CO | FCE On-Site | State |
| 2025-05-16 | OLDCASTLE SW - PORT JCI SCREEN | CANON CITY, Undetermined, CO | FCE On-Site | State |
| 2025-05-16 | OLDCASTLE SW - CEDARAPIDS 3 DECK SC 2 | CANON CITY, Undetermined, CO | FCE On-Site | State |
| 2025-05-16 | MARTIN MARIETTA MTRLS - PORT CRUSHER | FORT COLLINS, Undetermined, CO | FCE On-Site | State |
| 2025-05-16 | MARTIN MARIETTA MTRLS - PORT SCREEN | FORT COLLINS, Undetermined, CO | FCE On-Site | State |
| 2025-05-16 | OLDCASTLE SW - CEDARAPIDS CRUSHER 6 | CANON CITY, Undetermined, CO | FCE On-Site | State |
| 2025-05-16 | OLDCASTLE SW - LIPPMAN CRUSHER 2 | CANON CITY, Undetermined, CO | FCE On-Site | State |
| 2025-05-14 | BRANNAN SAND & GRAVEL - PORTABLE SCREEN | DENVER, Undetermined, CO | FCE On-Site | State |
| 2025-05-13 | RECLAMATION RIDGE, LLC-THOMPSON PIT | GRANBY AREA, Grand, CO | FCE On-Site | State |
| 2025-05-07 | VULCAN CONSTRUCTION - LAMAR SAND AND GRA | LAMAR AREA, Prowers, CO | FCE On-Site | State |
| 2025-05-05 | LEONE SAND & GRAVEL - LEONE HUERFANO | WALSENBURG 8.6 MI. N OF, Huerfano, CO | FCE On-Site | State |
| 2025-04-24 | PARK CNTY ROAD & BRIDGE ANSLEY PIT NO2 | FAIRPLAY 2.2 MI. SE OF, Park, CO | FCE On-Site | State |
| 2025-04-24 | ASPHALT SPECIALTIES - NELSON MINING | FIRESTONE AREA, Weld, CO | FCE On-Site | State |
| 2025-04-22 | SCHMIDT CONST CO - FOUNTAIN PIT | FOUNTAIN AREA, El Paso, CO | FCE On-Site | State |
| 2025-04-16 | LINCOLN COUNTY | HASWELL 13.2 MI. N OF, Lincoln, CO | FCE On-Site | State |
| 2025-04-16 | LINCOLN COUNTY - LOFDAHL | HUGO 18.9 MI. N OF, Lincoln, CO | FCE On-Site | State |
| 2025-04-16 | LINCOLN COUNTY - ELMER STONE PIT | HUGO 28.1 MI. S OF, Lincoln, CO | FCE On-Site | State |
| 2025-04-16 | LINCOLN COUNTY - CLARK PIT | HASWELL 24.2 MI. N OF, Lincoln, CO | FCE On-Site | State |
| 2025-04-15 | LINCOLN COUNTY - JAMACO PIT | ARRIBA 3.5 MI. N OF, Lincoln, CO | FCE On-Site | State |
| 2025-04-03 | COLORADO SAND - KEENESBURG NO. 2 MINE | KEENESBURG AREA, Weld, CO | FCE On-Site | State |
| 2025-04-02 | GLEN VISTA PROPERTY OWNER'S ASSOCIATION, | CANON CITY 10.3 MI. SW OF, Fremont, CO | FCE On-Site | State |
| 2025-04-02 | YEVOLI COBBLESTONE - BEEDLE | FLORENCE 2.2 MI. SE OF, Fremont, CO | FCE On-Site | State |
| 2025-04-01 | WELD COUNTY PUBLIC WORKS - PIERCE NORTH | NUNN 2.9 MI. SE OF, Weld, CO | FCE On-Site | State |
| 2025-04-01 | WELD COUNTY PUBLIC WORKS-KOSKIE PIT | NUNN 8.3 MI. N OF, Weld, CO | FCE On-Site | State |
| 2025-04-01 | WELD COUNTY PUBLIC WORKS - PORT CRSHR #2 | GREELEY, Undetermined, CO | FCE On-Site | State |
| 2025-03-31 | MARTIN MARIETTA MTRLS-SPEC. AGG. QUARRY | GOLDEN, Jefferson, CO | FCE On-Site | State |
| 2025-03-28 | MOUNTAIN PARK CONCRETE INC | PARSHALL 2.9 MI. N OF, Grand, CO | FCE On-Site | State |
| 2025-03-26 | MONTEZUMA COUNTY-HAY CAMP PIT | DOLORES AREA, Montezuma, CO | FCE On-Site | State |
| 2025-03-26 | TJH STONE LTD. - HANKINS STONE QUARRY 1 | NATURITA 10.2 MI. SW OF, San Miguel, CO | FCE On-Site | State |
| 2025-03-14 | ROUGH CUT, LLC - ROUGH CUT PIT | MANZANOLA 2.9 MI. N OF, Otero, CO | FCE On-Site | State |
| 2025-03-13 | MARTIN MARIETTA MTRLS - RIVERBEND PIT | FORT LUPTON, Weld, CO | FCE On-Site | State |
| 2025-03-13 | MARTIN MARIETTA - PARSONS PIT | GREELEY AREA, Weld, CO | FCE On-Site | State |
| 2025-03-13 | MARTIN MARIETTA MTRLS - SCREEN 28605 | FORT COLLINS, Undetermined, CO | FCE On-Site | State |
| 2025-03-13 | MARTIN MARIETTA MTRLS - CRUSHER 53211 | FORT COLLINS AREA, Undetermined, CO | FCE On-Site | State |
| 2025-03-11 | FLAG RESOURCES - SILT PIT | SILT AREA, Garfield, CO | FCE On-Site | State |
| 2025-03-11 | FLAG RESOURCES - SILT PIT | SILT AREA, Garfield, CO | FCE On-Site | State |
| 2025-03-11 | FLAG RESOURCES, INC | SILT AREA, Undetermined, CO | FCE On-Site | State |
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Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the inspection. Figures from EPA’s ICIS-AIR download.