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 |
|---|---|---|
| MONTGOMERY & STEWARD FUNERAL DIRECTORS | Minor source | No |
| MONTROSE CNTY - NUCLA BLM PIT | Minor source | No |
| MONTROSE CNTY - SHAVANO PIT | Minor source | No |
| MONTROSE COUNTY - CEDAR CREEK PIT | Minor source | No |
| MONTROSE COUNTY - DONLEY ROCK QUARRY | Minor source | No |
| MONTROSE COUNTY - GRIZZLY PIT | Minor source | No |
| MONTROSE COUNTY - LA SALLE PIT | Minor source | No |
| MONTROSE COUNTY - NEAL PIT | Minor source | No |
| MONTROSE COUNTY - SODERQUIST PIT | Minor source | No |
| MONTROSE FOREST PRODUCTS LLC | Major source | No |
| MONTROSE MEMORIAL HOSPITAL | Minor source | No |
| MONUMENT OIL CO | Minor source | No |
| MONUMENT OIL CO C&F FOODS 3 | Minor source | No |
| MONUMENT OIL CO GO FER FOOD OF PAGOSA | Minor source | No |
| MONUMENT OIL CO GO FER FOODS OF CRAIG | Minor source | No |
| MONUMENT OIL CO Q&T FOOD 2 | Minor source | No |
| MONUMENT OIL CO SPACE STA | Minor source | No |
| MOONRISE - REDTAIL GAS PLANT | Major source | No |
| MOORES MINING, LLC- CRUSHER | Minor source | No |
| MOORES MINING, LLC- GEN SET | Minor source | No |
| MOORES MINING, LLC- JAW CRUSHER | Minor source | No |
| MOORES MINING, LLC- MOORES PIT | Minor source | No |
| MOORES MINING, LLC- SCREEN | Minor source | No |
| MOORES MINING, LLC- SCREEN | Minor source | No |
| MOORES MINING, LLC- SCRN & CONE | Minor source | No |
| MOOSE COUNTRY ACQUISITIONS - HIGH MTN | Synthetic minor source | No |
| MOOTERS ALL AMERICAN SMOKEHOUSE & CATER | Minor source | No |
| MOREHART CHEVROLET - MURPHY COLLISION CE | Minor source | No |
| MORGAN CORPORATION | Minor source | No |
| MORGAN COUNTY - MORGAN CO LANDFILL | Minor source | No |
| MORGAN SAND & GRAVEL - WESTHOFF PIT | Minor source | No |
| MORNING FRESH FARMS INC | Synthetic minor source | No |
| MORNING GUN EXPLORATION - CASTOR 7-59-10 | Minor source | No |
| MORRISON METAL FINISHING CORPORATION | Minor source | No |
| MORROW & SONS INC. | Minor source | No |
| MORROW & SONS INC. | Minor source | No |
| MORROW & SONS INC. | Minor source | No |
| MOS BAHRI DBA 7-ELEVEN - 810 WILCOX ST | Minor source | No |
| MOSER FUNERAL HOME & CREMATION SERVICE | Minor source | No |
| MOUNT ELBERT MINING - WILLOW CREEK MINE | Minor source | No |
| MOUNT EMMONS MINING CO (WAS CLIMAX) | Minor source | No |
| MOUNTAIN CEMENT CO | Synthetic minor source | No |
| MOUNTAIN CLEANERS | Minor source | No |
| MOUNTAIN COAL CO. LLC (WEST ELK MINE) | Synthetic minor source | No |
| MOUNTAIN GRAVEL & CONST CO | Minor source | No |
| MOUNTAIN MARKET | Minor source | No |
| MOUNTAIN PARK CONCRETE - PORT. SCREEN | Minor source | No |
| MOUNTAIN PARK CONCRETE INC | Synthetic minor source | No |
| MOUNTAIN PARK CONCRETE INC | Minor source | No |
| MOUNTAIN PARK CONCRETE INC | Minor source | No |
| MOUNTAIN PARK CONCRETE INC | Minor source | No |
| MOUNTAIN PARK ELECTRIC | Minor source | No |
| MOUNTAIN PEAK POWER - KEENESBURG | Synthetic minor source | No |
| MOUNTAIN PRAIRIE - BUFFALO RIDGE SOW | Minor source | No |
| MOUNTAIN PRAIRIE - COYOTE CROSSING NURSE | Minor source | No |
| MOUNTAIN PRAIRIE, LLC - COYOTE CROSSING | Minor source | No |
| MOUNTAIN PRAIRIE, LLC - DEER TRAIL SOW | Minor source | No |
| MOUNTAIN PRAIRIE, LLC -EASTERN PLAINS SO | Minor source | No |
| MOUNTAIN PRAIRIE, LLC- CEDAR POINT SOW | Minor source | No |
| MOUNTAIN STATES PLASTICS INC. | Minor source | No |
| MOUNTAIN STONE INC. - KOENIG PIT | Minor source | No |
| MOUNTAINTRAX INTERMODAL - TERMINAL | Synthetic minor source | No |
| MOUNTAINWEST PIPELINE - DARK CANYON NGL | Synthetic minor source | No |
| MOUNTAINWEST PIPELINE - GREASEWOOD COMPR | Synthetic minor source | No |
| MOUNTAINWEST PIPELINE - ML23/26/27 | Minor source | No |
| MOUNTAINWEST PIPELINE - RIFLE COGEN | Minor source | No |
| MOUNTAINWEST PIPELINE - SKULL CREEK DEW | Major source | No |
| MOUNTAINWEST PIPELINE- NORTH CRAIG M & R | Minor source | No |
| MOUSE TRAP STORAGE & RECYCLING | Minor source | No |
| MOZZY-D STORES - K & J MART | Minor source | No |
| MR. GEORGE CALKINS / BRADLEY PETROLEUM | Minor source | No |
| MSSM CORP | Minor source | No |
| MT HOME - MOUNTAIN MEMORIAL FUNERA L HOM | Minor source | No |
| MT. EVANS TROUT FISHING LLC | Minor source | No |
| MT3 CORPORATION - CHAMBERS GAS & WASH | Minor source | No |
| MTN PARK CONCRETE - FINLAY 303 SCREEN | Minor source | No |
| MULIT-CHEM GROUP - RIFLE FACILITY | Minor source | No |
| MULL DRILLING - APC DOUG #1-25 | Minor source | No |
| MULL DRILLING - KERN A TANK BATTERY | Minor source | No |
| MULL DRILLING - MCCORMICK C TANK BATTERY | Minor source | No |
| MULL DRILLING - METEOR UNIT #1 | Minor source | No |
| MULL DRILLING - MUSF #1 TANK BATTERY | Minor source | No |
| MULL DRILLING - MUSF #2 CRUDE OIL BAT | Minor source | Yes |
| MULL DRILLING - MUSF #3 TANK BATTERY | Minor source | No |
| MULL DRILLING - NWAU #1 TANK BATTERY | Minor source | No |
| MULL DRILLING - NWAU #2 TANK BATTERY | Minor source | Yes |
| MULL DRILLING - NWAU #3 TANK BATTERY | Minor source | No |
| MULL DRILLING - NWAU #5 TANK BATTERY | Minor source | No |
| MULL DRILLING - NWAU #6 TANK BATTERY | Minor source | No |
| MULL DRILLING - PELTON TWIN | Minor source | No |
| MULL DRILLING - REG 7 REPORTING | Minor source | No |
| MULL DRILLING - ROTHER A TANK BATTERY | Minor source | No |
| MULL DRILLING - THOR UNIT CRUDE OIL TANK | Minor source | No |
| MULL DRILLING - UPRC PETE KERN TB | Minor source | No |
| MULL DRILLING - UPRR ROTH #1 TWIN | Minor source | No |
| MULL DRILLING - WICKERSHAM TANK BATTERY | Minor source | No |
| MULL DRILLING CO - APC TENNELL | Minor source | No |
| MULL DRILLING CO - KERN TANK | Minor source | No |
| MULL DRILLING CO - KLEPPER TANK | Minor source | No |
| MULL DRILLING CO - NWAU #4 TANK BATTERY | Minor source | No |
Figures from EPA’s ICIS-AIR download.