EPA Air · by state
Air-emissions sources in Colorado
- 19,203Facilities
By emissions classification in Colorado
High-priority violations in Colorado
98 sources in Colorado carry a current high-priority Clean Air Act violation.
Counties in Colorado
- Adams County 869
- Alamosa County 23
- Arapahoe County 496
- Archuleta County 15
- Baca County 24
- Bent County 17
- Boulder County 321
- Broomfield County 83
- Chaffee County 36
- Cheyenne County 132
- Clear Creek County 17
- Conejos County 8
- Costilla County 8
- Crowley County 5
- Custer County 14
- Delta County 51
- Denver County 595
- Dolores County 11
- Douglas County 155
- Eagle County 36
- El Paso County 439
- Elbert County 41
- Fremont County 107
- Garfield County 1,439
- Gilpin County 8
- Grand County 38
- Gunnison County 41
- Huerfano County 26
- Jackson County 45
- Jefferson County 373
- Kiowa County 48
- Kit Carson County 22
- La Plata County 320
- Lake County 14
- Larimer County 236
- Las Animas County 599
- Lincoln County 102
- Logan County 63
- Mesa County 314
- Moffat County 334
- Montezuma County 49
- Montrose County 65
- Morgan County 61
- Otero County 40
- Ouray County 3
- Park County 17
- Phillips County 22
- Pitkin County 16
- Prowers County 53
- Pueblo County 162
- Rio Blanco County 402
- Rio Grande County 27
- Routt County 45
- Saguache County 14
- San Miguel County 37
- Sedgwick County 15
- Summit County 33
- Teller County 18
- Undetermined County 1,500
- Washington County 85
- Weld County 8,858
- Yuma County 152
Industries in Colorado
Sources are grouped by the first industry code on the facility record.
- Oil and gas extraction (NAICS 2111) 13,343
- Gasoline stations (NAICS 4471) 1,567
- Mining and quarrying (NAICS 2123) 1,360
- Repair and maintenance (NAICS 8111) 308
- Nonmetallic mineral product manufacturing (NAICS 3273) 244
- Personal and laundry services (NAICS 8123) 176
- Petroleum and coal products manufacturing (NAICS 3241) 114
- Personal and laundry services (NAICS 8122) 104
- Pipeline transportation (NAICS 4862) 102
- Waste management and remediation (NAICS 5622) 86
- Printing and related support (NAICS 3231) 77
- Utilities (NAICS 2213) 63
- Merchant wholesalers, nondurable goods (NAICS 4247) 62
- Hospitals (NAICS 6221) 54
- Utilities (NAICS 2211) 52
- Merchant wholesalers, nondurable goods (NAICS 4245) 51
- Animal production (NAICS 1122) 48
- Fabricated metal product manufacturing (NAICS 3328) 43
- Telecommunications (NAICS 5172) 37
- NAICS 9999 37
- Waste management and remediation (NAICS 5629) 36
- Justice, public order and safety (NAICS 9221) 36
- Heavy and civil engineering construction (NAICS 2373) 35
- Mining support (NAICS 2131) 34
- Plastics and rubber products manufacturing (NAICS 3261) 27
- Fabricated metal product manufacturing (NAICS 3323) 26
- Telecommunications (NAICS 5171) 24
- Merchant wholesalers, durable goods (NAICS 4239) 24
- Mining and quarrying (NAICS 2122) 23
- Broadcasting (NAICS 5152) 21
- Pipeline transportation (NAICS 4869) 21
- Food manufacturing (NAICS 3111) 20
- Wood product manufacturing (NAICS 3219) 19
- Chemical manufacturing (NAICS 3254) 19
- Animal production (NAICS 1121) 19
- Building material and garden supply stores (NAICS 4441) 19
- Chemical manufacturing (NAICS 3251) 19
- Mining and quarrying (NAICS 2121) 18
- Computer and electronic product manufacturing (NAICS 3344) 18
- Data processing and hosting (NAICS 5182) 18
- Furniture and related product manufacturing (NAICS 3371) 18
- Motor vehicle and parts dealers (NAICS 4411) 17
- Specialty trade contractors (NAICS 2381) 17
- Executive and legislative government (NAICS 9211) 17
- National security and international affairs (NAICS 9281) 17
- Chemical manufacturing (NAICS 3253) 16
- Food services and drinking places (NAICS 7221) 16
- Accommodation (NAICS 7211) 16
- Telecommunications (NAICS 5179) 15
- Fabricated metal product manufacturing (NAICS 3329) 15
- Food manufacturing (NAICS 3118) 14
- Pipeline transportation (NAICS 4861) 13
- Support activities for transportation (NAICS 4881) 13
- Miscellaneous manufacturing (NAICS 3399) 13
- Amusement, gambling and recreation (NAICS 7139) 13
- Paper manufacturing (NAICS 3222) 12
- Educational services (NAICS 6111) 12
- Chemical manufacturing (NAICS 3255) 11
- NAICS 4521 11
- Machinery manufacturing (NAICS 3331) 11
- Beverage and tobacco manufacturing (NAICS 3121) 10
- Chemical manufacturing (NAICS 3259) 10
- Professional, scientific and technical services (NAICS 5417) 10
- Computer and electronic product manufacturing (NAICS 3345) 10
- Warehousing and storage (NAICS 4931) 10
- Educational services (NAICS 6113) 10
- Machinery manufacturing (NAICS 3339) 10
- Nonmetallic mineral product manufacturing (NAICS 3271) 10
- Merchant wholesalers, nondurable goods (NAICS 4246) 9
- Specialty trade contractors (NAICS 2382) 9
- Machinery manufacturing (NAICS 3334) 9
- Food manufacturing (NAICS 3115) 9
- Building construction (NAICS 2362) 9
- Plastics and rubber products manufacturing (NAICS 3262) 9
- Real estate (NAICS 5311) 9
- Merchant wholesalers, durable goods (NAICS 4231) 8
- Agriculture and forestry support (NAICS 1151) 8
- Agriculture and forestry support (NAICS 1152) 8
- Support activities for transportation (NAICS 4882) 8
- Wood product manufacturing (NAICS 3211) 8
- Specialty trade contractors (NAICS 2389) 8
- Repair and maintenance (NAICS 8113) 7
- Furniture and related product manufacturing (NAICS 3372) 7
- Rental and leasing services (NAICS 5321) 7
- Food manufacturing (NAICS 3119) 7
- Waste management and remediation (NAICS 5621) 6
- Performing arts and spectator sports (NAICS 7115) 6
- Food manufacturing (NAICS 3116) 6
- Fabricated metal product manufacturing (NAICS 3324) 6
- Crop production (NAICS 1119) 6
- Professional, scientific and technical services (NAICS 5413) 6
- Nonmetallic mineral product manufacturing (NAICS 3279) 6
- NAICS 4422 6
- Machinery manufacturing (NAICS 3333) 5
- Miscellaneous manufacturing (NAICS 3391) 5
- Merchant wholesalers, durable goods (NAICS 4233) 5
- Food manufacturing (NAICS 3113) 5
- Transportation equipment manufacturing (NAICS 3364) 5
- Publishing industries (NAICS 5111) 5
- Heavy and civil engineering construction (NAICS 2379) 5
- Crop production (NAICS 1114) 5
- NAICS 4543 4
- Merchant wholesalers, nondurable goods (NAICS 4249) 4
- Food manufacturing (NAICS 3112) 4
- Primary metal manufacturing (NAICS 3314) 4
- Museums and historical sites (NAICS 7121) 4
- Merchant wholesalers, durable goods (NAICS 4238) 4
- Chemical manufacturing (NAICS 3252) 4
- Insurance carriers and related activities (NAICS 5241) 4
- Computer and electronic product manufacturing (NAICS 3341) 4
- Food and beverage retailers (NAICS 4451) 4
- Administration of environmental programs (NAICS 9241) 4
- Transportation equipment manufacturing (NAICS 3362) 4
- Professional, scientific and technical services (NAICS 5415) 4
- Professional, scientific and technical services (NAICS 5419) 4
- Electrical equipment and appliance manufacturing (NAICS 3353) 4
- Electrical equipment and appliance manufacturing (NAICS 3359) 4
- Broadcasting (NAICS 5151) 3
- Nonmetallic mineral product manufacturing (NAICS 3274) 3
- Private households (NAICS 8141) 3
- Repair and maintenance (NAICS 8114) 3
- Ambulatory health care services (NAICS 6214) 3
- Specialty trade contractors (NAICS 2383) 3
- Performing arts and spectator sports (NAICS 7112) 3
- Primary metal manufacturing (NAICS 3315) 3
- Transportation equipment manufacturing (NAICS 3363) 3
- Crop production (NAICS 1111) 3
- Textile mills (NAICS 3133) 3
- Computer and electronic product manufacturing (NAICS 3342) 3
- Transit and ground passenger transportation (NAICS 4851) 3
- Food manufacturing (NAICS 3114) 3
- Wholesale electronic markets and agents (NAICS 4251) 3
Air-emissions inspections in Colorado, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
High-priority air violations in Colorado, by year
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.
Air-emissions stack tests in Colorado, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| MAGPIE OPERATING, INC. - SWANSON | Minor source | No |
| MAIL-WELL ENVELOPE (WAS AMERICAN M-W) | Minor source | No |
| MAINSPRING ENERGY - CORE FOX CREEK | Minor source | No |
| MAJESTIC CLNRS | Minor source | No |
| MAJESTIC METALS INC | Minor source | No |
| MALESICH & SHIREY FUNERAL HOME | Minor source | No |
| MALLETTE OIL CO INC | Minor source | No |
| MALMART - MALMART CONOCO | Minor source | No |
| MAM-A, INC | Minor source | No |
| MANZANOLA FEEDS | Minor source | No |
| MAQZUMA MINERALS-MAQZUMA MINE | Minor source | No |
| MARALEX RESOURCES, INC. | Minor source | No |
| MARALEX RESOURCES, INC. - CAT COMP | Minor source | No |
| MARATHON OIL CO- LATHAM LAYDOWN YARD | Minor source | No |
| MARATHON PIPELINE - ILES STATION | Minor source | No |
| MARIE GITTLEIN T3N-R64W-S4 L01 | Minor source | No |
| MARIETTA MARIETTA- HWY 85; MARTIN MARIET | Minor source | No |
| MARIN AUTOMOTIVE | Minor source | No |
| MARIO BASSI AND JOSEPHINE BASSI | Minor source | No |
| MARK'S MARKET, GO-FER FOODS OF FRUITA #1 | Minor source | No |
| MARK'S MARKETS DBA GO-FER FOODS OF FRUIT | Minor source | No |
| MARKS CLEANERS | Minor source | No |
| MARQUIS DENTAL MFG CO INC | Minor source | No |
| MARS STEEL CORP. - DENVER ROCK ISLAND TS | Minor source | No |
| MARTIN MARIETTA - TAFT ASPHALT PLANT | Synthetic minor source | No |
| MARTIN MARIETTA MAT- PORT. ASTEC SCREEN | Minor source | No |
| MARTIN MARIETTA MAT- PORTABLE GENERATOR | Minor source | No |
| MARTIN MARIETTA - CAPITAL MIX PLANT | Synthetic minor source | No |
| MARTIN MARIETTA - CEDARAPIDS 3042 | Minor source | No |
| MARTIN MARIETTA - DRENNAN YARD | Minor source | No |
| MARTIN MARIETTA - MONAGHAN MATERIALS FAC | Synthetic minor source | No |
| MARTIN MARIETTA - PARKDALE QUARRY | Synthetic minor source | No |
| MARTIN MARIETTA - PARSONS PIT | Minor source | No |
| MARTIN MARIETTA - PLATTE SAND & GRAVEL | Minor source | No |
| MARTIN MARIETTA - PORT CONCRETE BATCH PL | Minor source | No |
| MARTIN MARIETTA - PORT SCREEN #4259202 | Minor source | No |
| MARTIN MARIETTA - PORTABLE CRUSHER | Minor source | No |
| MARTIN MARIETTA - PORTABLE SCREEN | Minor source | No |
| MARTIN MARIETTA - PORTABLE SCREEN | Minor source | No |
| MARTIN MARIETTA - PORTABLE SCREEN | Minor source | No |
| MARTIN MARIETTA - PUEBLO ASPHALT PLANT | Synthetic minor source | No |
| MARTIN MARIETTA - SANDVIK SCREEN UNIT | Minor source | No |
| MARTIN MARIETTA -ASPHALT PAVING MATERIAL | Synthetic minor source | No |
| MARTIN MARIETTA CEDARAPIDS C54II | Minor source | No |
| MARTIN MARIETTA MAT - COYOTE RIDGE PIT | Minor source | No |
| MARTIN MARIETTA MAT - RED CANYON QUARRY | Synthetic minor source | No |
| MARTIN MARIETTA MATERIALS - PORT CRUSHER | Minor source | No |
| MARTIN MARIETTA MATERIALS - PORTABLE ENG | Minor source | No |
| MARTIN MARIETTA MATERIALS - SOKOL PIT | Minor source | No |
| MARTIN MARIETTA MATERIALS -PENROSE RANCH | Minor source | No |
| MARTIN MARIETTA MATERIALS -WABASH CONCRE | Synthetic minor source | No |
| MARTIN MARIETTA MTRL -RIVERBEND WEST PIT | Minor source | No |
| MARTIN MARIETTA MTRLS - BATCH PLANT | Minor source | No |
| MARTIN MARIETTA MTRLS - COTTONWOOD/SHAW | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 28F0595 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 45547 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 46173 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 46768 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 47651 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 49144 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 50641 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 52697 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 53211 | Minor source | No |
| MARTIN MARIETTA MTRLS - CRUSHER 54978 | Minor source | No |
| MARTIN MARIETTA MTRLS - GENERATOR | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - GENERATOR | Minor source | No |
| MARTIN MARIETTA MTRLS - GENERATOR | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - GENERATOR | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - GENERATOR | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - GENERATOR | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - GORDON ASPHALT | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - LYONS PIT | Minor source | No |
| MARTIN MARIETTA MTRLS - PLANT G335469 | Minor source | No |
| MARTIN MARIETTA MTRLS - PORT CRUSHER | Minor source | No |
| MARTIN MARIETTA MTRLS - PORT GENERATOR | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - PORT SCREEN | Minor source | No |
| MARTIN MARIETTA MTRLS - PORT SCREEN | Minor source | No |
| MARTIN MARIETTA MTRLS - PORT. CRUSHER | Minor source | No |
| MARTIN MARIETTA MTRLS - RICH PIT | Minor source | No |
| MARTIN MARIETTA MTRLS - RIVERBEND PIT | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 23701 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 28605 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 34AO594 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 34J1192 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 43KO394 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 46112 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 47799 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 48356 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 54537 | Minor source | No |
| MARTIN MARIETTA MTRLS - SCREEN 55029 | Minor source | No |
| MARTIN MARIETTA MTRLS - SEE 777-4227 | Minor source | No |
| MARTIN MARIETTA MTRLS - STROMQUIST | Synthetic minor source | No |
| MARTIN MARIETTA MTRLS - VOLLMER | Minor source | No |
| MARTIN MARIETTA MTRLS-SPEC. AGG. QUARRY | Synthetic minor source | No |
| MARTIN MORTUARY | Minor source | No |
| MARTIN SAND & GRAVEL | Minor source | No |
| MASON DBA COLORADO LIFESTYLE FURNITURE | Minor source | No |
| MASONIC CEMETERY - ASSOCIATION OF TRINID | Minor source | No |
Figures from EPA’s ICIS-AIR download.