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 |
|---|---|---|
| NGL CRUDE TERMINALS - RIVERSIDE STATION | Minor source | No |
| NGL WATER - C9 SALT WATER DISPOSAL FAC | Minor source | No |
| NGL WATER - S. WELD SALT WATER DISPOSAL | Minor source | No |
| NGL WATER SOLUTIONS - C2 SALT WATER DISP | Minor source | No |
| NGL WATER SOLUTIONS - C3 SALT WATER DISP | Minor source | No |
| NGL WATER SOLUTIONS DJ - C-1 | Minor source | No |
| NGL WATER SOLUTIONS DJ - C-6 | Minor source | No |
| NGL WATER SOLUTIONS DJ - C11 SW DISP | Minor source | No |
| NGL WATER SOLUTIONS DJ - C12 SALT WATER | Minor source | No |
| NGL WATER SOLUTIONS DJ - C5 SALT WATER | Minor source | No |
| NGL WATER SOLUTIONS DJ - C7 SALT WATER | Minor source | No |
| NGL WATER SOLUTIONS DJ - C8 SALT WATER | Minor source | No |
| NGL WATER SOLUTIONS DJ LLC - C-4 | Minor source | No |
| NGL WATER SOLUTIONS DJ LLC - C10 | Minor source | No |
| NICHOLS GRAVEL PIT/MK SAND & GRAVEL | Minor source | No |
| NICK DAVIDSON INC | Minor source | No |
| NICK'S GAS & CONVENIENCE - COMPARK BLVD | Minor source | No |
| NICK'S GAS & CONVENIENCE #3 | Minor source | No |
| NICKS FOOD & GAS | Minor source | No |
| NICKS SECURITY BODY SHOP INC | Minor source | No |
| NIELSONS INC | Minor source | No |
| NIELSONS SKANSKA, INC. | Synthetic minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIELSONS SKANSKA, INC. | Minor source | No |
| NIGHTHAWK PROD - CRESTED BUTTE 2-14 BATT | Minor source | No |
| NIGHTHAWK PROD - MONARCH 10-15 TANK BATT | Minor source | No |
| NIGHTHAWK PROD. - ARIKAREE CREEK SWD #1 | Minor source | No |
| NIGHTHAWK PRODUCTION - CRAIG 12-33 | Minor source | No |
| NIGHTHAWK PRODUCTION-CRAIG 15-32 | Minor source | No |
| NIGHTHAWK PRODUCTIONS-JOLLY RANCH 10-1 S | Minor source | No |
| NIOBRARA CRUDE TERMINAL | Synthetic minor source | No |
| NIPPON SANSO MATHESON - LONGMONT | Minor source | No |
| NISSAN N. AMERICA - NISSAN DATA CENTER | Minor source | No |
| NIST - BOULDER LABS | Major source | No |
| NOB HILL BODY SHOP | Minor source | No |
| NOBEL ENERGY - THREE WAY INTERCONNECT | Minor source | No |
| NOBEL STORE - 12354 COUNTY RD 2 | Minor source | No |
| NOBLE - ANGELA OCOMA T4N-R64W-S17 L01 | Minor source | No |
| NOBLE - ARENS FRED T4N-R65W-S11 L01 | Minor source | No |
| NOBLE - BOULTER ST T4N-R65W-S16 L01 | Synthetic minor source | No |
| NOBLE - BUCKCHERRY USX T6N-R63W-S3 L01 | Minor source | No |
| NOBLE - CASTOR FED T9N-R59W-S22 L01 | Minor source | No |
| NOBLE - CECIL USX T6N-R64W-S1 L01 | Synthetic minor source | No |
| NOBLE - DILLARD USX T7N-R64W-S3 L01 | Minor source | No |
| NOBLE - DILLARD USX T7N-R64W-S5 L02 | Minor source | No |
| NOBLE - DP130 WR BB05-28A T5N-R63W-S5L01 | Minor source | No |
| NOBLE - DP425N YO5-13-A ECO PIONEER | Minor source | No |
| NOBLE - FAULKNER CECIL FARMS USX T7N-R64 | Minor source | No |
| NOBLE - FAULKNER T7N-R64W-S30 L01 | Minor source | No |
| NOBLE - FURROW ST USX T7N-R64W-S22 L01 | Minor source | No |
| NOBLE - FURROW USX T7N-R64W-S15 L02 | Minor source | No |
| NOBLE - HARPER USX T7N-R65W-S27 L01 | Minor source | No |
| NOBLE - HSR LUNDVALL T5N-R66W-S19 L01 | Minor source | No |
| NOBLE - LD07-01 ECONODE T9N-R58W-S7 L01 | Minor source | No |
| NOBLE - LD19-16 ECONODE T9N-R58W-S19 L01 | Minor source | No |
| NOBLE - PALOMINO FED T8N-R59W-S13 L01 | Minor source | No |
| NOBLE - PLUSS SHELTON T4N-R65W-S25 L02 | Synthetic minor source | No |
| NOBLE - PTASNIK FED T9N-R59W-S19 L01 | Minor source | No |
| NOBLE - RESOLUTE E25, STEADFAST E27, HEA | Synthetic minor source | No |
| NOBLE - SMITH SLEDGE T4N-R64W-S9 L01 | Minor source | No |
| NOBLE - STATE 25/GUTTERSON ST T4N-R63W | Minor source | No |
| NOBLE - SUSAN WESTERN | Minor source | No |
| NOBLE - TRISHA,RICO,TINA LC29 ECONODE | Synthetic minor source | No |
| NOBLE - UPRC KARAKAKES T3N-R65W-S13 L01 | Minor source | No |
| NOBLE - UPRR 21 PAN AM A1, D1 | Minor source | No |
| NOBLE - WASTE SERVICES T3N-R64W-S26 L01 | Minor source | No |
| NOBLE - WELLS RANCH AA T6N-R63W-S12 L02 | Minor source | No |
| NOBLE - WELLS RANCH AA T6N-R63W-S26 L02 | Minor source | No |
| NOBLE - WELLS RANCH AA T6N-R63W-S26 L03 | Minor source | No |
| NOBLE - WELLS RANCH AA T6N-R63W-S26 L04 | Minor source | No |
| NOBLE - WELLS RANCH AF T5N-R62W-S8 L01 | Minor source | No |
| NOBLE - WELLS RANCH STATE AF08 ECONODE | Synthetic minor source | No |
| NOBLE - WELLS RANCH USX AA27 ECONODE | Minor source | No |
| NOBLE - WELLS RANCH USX AE18, AA13 ECONO | Minor source | No |
| NOBLE -D22-13-A ECONODE T3N-R64W-S22 L01 | Synthetic minor source | No |
| NOBLE ENER - ROACH BASS T5N-R67W-S14 L01 | Minor source | No |
| NOBLE ENERGY - 056723-SENW-BATT | Minor source | No |
| NOBLE ENERGY - ANDERSON L01 | Minor source | No |
| NOBLE ENERGY - CLEMENT T4N-R66W-S11 L01 | Minor source | No |
| NOBLE ENERGY - EISENSTAT GILL LAND L02 | Minor source | No |
| NOBLE ENERGY - GREEN USX EE T7N-R65W-S1 | Minor source | No |
| NOBLE ENERGY - RITCHEY T3N-R65W-S27 L05 | Minor source | No |
| NOBLE ENERGY - SCHMIER T4N-R65W-S19 L01 | Minor source | No |
| NOBLE ENERGY - ST T4N-R64W-S16 L03 | Minor source | No |
| NOBLE ENERGY - WATKINS BARNETT T4N-R64W | Minor source | No |
| NOBLE ENERGY - #11341700 LESSER | Minor source | No |
| NOBLE ENERGY - #415703335 KISSLER BOOTH | Minor source | No |
| NOBLE ENERGY - #415745287 | Minor source | No |
| NOBLE ENERGY - #415745289 | Minor source | No |
| NOBLE ENERGY - 046514-NWSE-BATT | Minor source | No |
| NOBLE ENERGY - 046714-SENE-BATT | Minor source | No |
| NOBLE ENERGY - 056536-SWSW-BATT | Minor source | No |
| NOBLE ENERGY - 066628-NESE-BATT | Minor source | No |
Figures from EPA’s ICIS-AIR download.