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 |
|---|---|---|
| MASTER BUILDERS SOLUTIONS - BRIGHTON FAC | Synthetic minor source | No |
| MASTER COLLISION SPECIALISTS INC | Minor source | No |
| MASTER VALET CLEANERS - 10060 W 26TH AVE | Minor source | No |
| MATHIAS CONCRETE - ALAMOSA PLANT | Minor source | No |
| MATHIAS CONCRETE - SOUTH FORK | Minor source | No |
| MATHIAS CONCRETE INC | Minor source | No |
| MATHIAS CONCRETE INC - NORTH FARM ROAD | Minor source | No |
| MATRIX AUTO BODY | Minor source | No |
| MATRIX ENERGY - REG 7 REPORTING | Minor source | No |
| MATRIX ENERGY, LLC - GEIST/OLIN | Minor source | No |
| MATRIX ENERGY, LLC - OLIN HA 13-9 | Minor source | No |
| MATRIX ENERGY, LLC - OLIN HA 14-9 | Minor source | No |
| MATRIX ENERGY, LLC - STATE 1-36 | Minor source | No |
| MATRIX ENERGY, LLC - WSC 12-9 | Minor source | No |
| MAVERIK - STORE #679 | Minor source | No |
| MAVERIK COUNTRY STORES INC | Minor source | No |
| MAVERIK INC - MAVERIK INC #616 | Minor source | No |
| MAVERIK INC - MAVERIK STORE #636 | Minor source | No |
| MAVERIK INC - MAVERIK STORE #647 | Minor source | No |
| MAVERIK INC - MAVERIK STORE #653 | Minor source | No |
| MAVERIK INC - MAVERIK STORE #673 | Minor source | No |
| MAVERIK-MAVERIK STORE #659 | Minor source | No |
| MAXAIR | Minor source | No |
| MAXANNS INC | Minor source | No |
| MAXAR INTELLIGENCE - LONGMONT | Minor source | No |
| MAYFAIR CLEANERS | Minor source | No |
| MAYFAIR CLEANERS, LYMAX INC. | Minor source | No |
| MB CLUB - MBC LIMON 1 | Minor source | No |
| MCATEE CONST - GREEN BROS READY MIX PLAN | Minor source | No |
| MCATEE CONST - STERLING ASPHALT PLANT | Synthetic minor source | No |
| MCATEE CONSTRUCTION CO - TIMNATH PIT | Synthetic minor source | No |
| MCATEE CONSTRUCTION CO- HARLEY PIT | Minor source | No |
| MCATEE CONSTRUCTION CO- RIVERSIDE | Minor source | No |
| MCATEE PAVING CO | Synthetic minor source | No |
| MCATEE PAVING COMPANY (CMI 4DM) | Synthetic minor source | No |
| MCCANDLESS INTERNATIONAL TRUCKS OF COLOR | Minor source | No |
| MCCARTNEY ENG. - RICE BATTERY | Minor source | No |
| MCCARTY 30-2 | Minor source | No |
| MCCARTY EXCAVATION - TEXAS CREEK PIT | Minor source | No |
| MCCOY PETROLEUM - ALC 1447 #1-23 | Minor source | No |
| MCCOY PETROLEUM - ALC 1548 #1-11 | Minor source | No |
| MCDONALD FARMS - NATIONAL WESTERN | Minor source | No |
| MCELVAIN OIL & GAS PROPERTIES INC | Minor source | No |
| MCFARLAND OIL - JR'S #817 | Minor source | No |
| MCI TELECOMMUNICATIONS CORP | Minor source | No |
| MCI TELECOMMUNICATIONS CORP | Minor source | No |
| MCKEE MEDICAL CTR - 2000 BOISE AVE | Minor source | No |
| MCQUAID LLC - B&L COGAN LLC | Minor source | No |
| MCSTONE AGGREGATES, LLC - #25-5 | Minor source | No |
| MEADOWGOLD DAIRIES INC | Minor source | No |
| MEADOWS MARKET | Minor source | No |
| MEARS FERTILIZER, INC. - UNIT 1 | Minor source | No |
| MEARS FERTILIZER, INC. - UNIT 3 | Minor source | No |
| MED CENTER OF AURORA - CENTENNIAL HEALTH | Minor source | No |
| MEDICAL CENTER OF AURORA- NORTH CAMPUS | Minor source | No |
| MEEKER SAND & GRAVEL - CRUSHER & GEN | Minor source | No |
| MEEKER SAND & GRAVEL (SEE 103/0060) | Minor source | No |
| MEEKER SAND & GRAVEL INC | Minor source | No |
| MEEKER SAND & GRAVEL-WARRIOR 1400 POWERS | Minor source | No |
| MEINEKE CAR CARE #739 | Minor source | No |
| MEINEKE SHOP #847 | Minor source | No |
| MEMORY LANE ANTIQUES - MEMORY LANE ANTIQ | Minor source | No |
| MERCK & CO, LLC | Minor source | No |
| MERCURY TUBE - 3211 W BEAR CREEK DR | Synthetic minor source | No |
| MERCY REGIONAL MEDICAL CENTER | Minor source | No |
| MERIDIAN METROPOLITAN - WATER CAMPUS | Minor source | No |
| MERILAB, INC. | Minor source | No |
| MERIT ENERGY - ANDY 29-2 | Minor source | No |
| MERIT ENERGY - BECKER | Minor source | No |
| MERIT ENERGY - DEGENHART 13, SMITH LANE | Minor source | No |
| MERIT ENERGY - DEGENHART 43 | Minor source | No |
| MERIT ENERGY - HEINZ-HERBER | Minor source | No |
| MERIT ENERGY - MARK 14-35, E UNIT | Minor source | No |
| MERIT ENERGY - WILSON | Minor source | No |
| MERIT ENERGY CO - DEGENHART 1 | Minor source | No |
| MERIT ENERGY CO - ESTHER | Minor source | No |
| MERIT ENERGY CO - GREGERSON/HALL | Minor source | No |
| MERIT ENERGY CO - JAMES CLARK | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY | Minor source | No |
| MERIT ENERGY COMPANY - ADAMS | Minor source | No |
| MERIT ENERGY COMPANY - ALVIN STATE | Minor source | No |
| MERIT ENERGY COMPANY - ANKENEY | Minor source | No |
| MERIT ENERGY COMPANY - ANN | Minor source | No |
| MERIT ENERGY COMPANY - BAILEY 33 | Minor source | No |
Figures from EPA’s ICIS-AIR download.