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 |
|---|---|---|
| NOBLE ENERGY - WELLS RANCH STATE A36 ECO | Minor source | No |
| NOBLE ENERGY - WELLS RANCH STATE BB03 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX | Synthetic minor source | No |
| NOBLE ENERGY - WELLS RANCH USX 35-65HN | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AA L02 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AA L03 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AA11-67HN | Synthetic minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE L02 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE L02 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE L03 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE L04 | Synthetic minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE T6N-R6 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE T6N-R6 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE T6N-R6 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX AE T6N-R6 | Synthetic minor source | No |
| NOBLE ENERGY - WELLS RANCH USX BB 11-23 | Minor source | No |
| NOBLE ENERGY - WELLS RANCH USX BB L06 | Minor source | No |
| NOBLE ENERGY - WELLS T5N-R63W-S11 L01 | Minor source | No |
| NOBLE ENERGY - WERTZ FED T4N-R66W-S12 L1 | Minor source | No |
| NOBLE ENERGY - WEST IRRIGATION USX L01 | Minor source | No |
| NOBLE ENERGY - WIEDEMAN #20-20 | Minor source | No |
| NOBLE ENERGY - WIEDEMAN T5N-R66W-S28 L01 | Minor source | No |
| NOBLE ENERGY - WIEDEMAN T5N-R66W-S28 LO2 | Minor source | No |
| NOBLE ENERGY - WILCOX L01 | Minor source | No |
| NOBLE ENERGY - WILD HORSE T9N-R61W-S28 L | Minor source | No |
| NOBLE ENERGY - WILKINSON T6N-R65W-S1 L01 | Minor source | No |
| NOBLE ENERGY - WILMOTH BUROUGH T4N-R64W- | Minor source | No |
| NOBLE ENERGY - WILMOTH T4N-R64W-S14 L01 | Minor source | No |
| NOBLE ENERGY - WILMOTH T4N-R64W-S14 L03 | Minor source | No |
| NOBLE ENERGY - WILSON T6N-R63W-S18 L01 | Minor source | No |
| NOBLE ENERGY - WILSON T7N-R63W-S20 L01 | Minor source | No |
| NOBLE ENERGY - WINTERS T5N-R65W-S3 L01 | Minor source | No |
| NOBLE ENERGY - WOLFE USX T4N-R63W-S7 L01 | Minor source | No |
| NOBLE ENERGY - WOLFE USX T4N-R63W-S7 L02 | Minor source | No |
| NOBLE ENERGY - WOLFPACK LONEWOLF B02 ECO | Minor source | No |
| NOBLE ENERGY - WOOLERY ROUNDTREE 22-34 | Minor source | No |
| NOBLE ENERGY - WPF CARLSON T6N-R64W-S18 | Minor source | No |
| NOBLE ENERGY - WYSCAVER USX L01 | Minor source | No |
| NOBLE ENERGY - Y11 WASTE MANAGEMENT ECON | Synthetic minor source | No |
| NOBLE ENERGY - ZABKA T5N-R65W-S2 L01 | Minor source | No |
| NOBLE ENERGY - ZACH C BOOTH | Minor source | No |
| NOBLE ENERGY - ZIGGY USX T7N-R64W-S19 L0 | Minor source | No |
| NOBLE ENERGY - ZIONS WIEST T5N-R66W-S28 | Minor source | No |
| NOBLE ENERGY -BASHOR ST T6N-R63W-S16 L02 | Minor source | No |
| NOBLE ENERGY -CORNELIUS T3N-R65W-S11L01 | Minor source | No |
| NOBLE ENERGY -GABEL USX T7N-R64W-S21 L01 | Minor source | No |
| NOBLE ENERGY -SHOEMAKER T6N-R64W-S12 L02 | Synthetic minor source | No |
| NOBLE ENERGY -SHOEMAKER T6N-R64W-S12 L03 | Synthetic minor source | No |
| NOBLE ENERGY -WELLS RANCH AF L03 | Synthetic minor source | No |
| NOBLE ENERGY -WIEDEMAN T4N-R66W-S28 L03 | Minor source | No |
| NOBLE ENERGY BATTERY # 61717200 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415809046 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415809669 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415809924 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415810106 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415810648 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415811353 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415811603 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415812011 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415812777 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415812778 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415813372 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415813373 | Minor source | No |
| NOBLE ENERGY INC - BATTERY 415813785 | Minor source | No |
| NOBLE ENERGY INC - DP431-432-446 JOHNSON | Minor source | No |
| NOBLE ENERGY INC - SCHMIDT #10059100 | Minor source | No |
| NOBLE ENERGY INC #116663 WAS #116129 | Minor source | No |
| NOBLE ENERGY INC BATTERY # 100104 | Minor source | No |
| NOBLE ENERGY INC BATTERY #10016500 | Minor source | No |
| NOBLE ENERGY INC BATTERY #10023000 | Minor source | No |
| NOBLE ENERGY INC BATTERY #10076000 | Minor source | No |
| NOBLE ENERGY INC BATTERY #10090000 | Minor source | No |
| NOBLE ENERGY INC BATTERY #10091500 | Minor source | No |
| NOBLE ENERGY INC BATTERY #10137900 | Minor source | No |
| NOBLE ENERGY INC BATTERY #10791800 | Minor source | No |
| NOBLE ENERGY INC BATTERY #11383000 | Minor source | No |
| NOBLE ENERGY INC BATTERY #414445212 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415663718 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415663919 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415664180 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415664462 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415664464 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415666097 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415666756 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415669247 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415674181 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415674184 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415674185 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415674266 | Minor source | No |
| NOBLE ENERGY INC BATTERY #415674392 | Minor source | No |
| NOBLE ENERGY INC. - SANDAU BARTLES L01 | Minor source | No |
| NOBLE ENERGY INC. - WATKINS 18-02, ETC. | Minor source | No |
| NOBLE ENERGY INC. BATTERY #10004100 | Minor source | No |
| NOBLE ENERGY INC. BATTERY #10006000 | Minor source | No |
| NOBLE ENERGY INC. BATTERY #10007800 | Minor source | No |
| NOBLE ENERGY INC. BATTERY #10010200 | Minor source | No |
| NOBLE ENERGY INC. BATTERY #10010300 | Minor source | No |
| NOBLE ENERGY INC. BATTERY #10010800 | Minor source | No |
| NOBLE ENERGY INC. BATTERY #10012200 | Minor source | No |
Figures from EPA’s ICIS-AIR download.