EPA Air · by county
Air-emissions sources in Weld County, Colorado
- 8,858Facilities
Every stationary source in Weld County, Colorado that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Weld County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
- Minor source 7,950
- Synthetic minor source 814
- Major source 89
Inspections in Weld County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 125
- 2025 — inspections 440
- 2024 — inspections 387
- 2023 — inspections 289
- 2022 — inspections 246
- 2021 — inspections 323
- 2020 — inspections 265
- 2019 — inspections 152
- 2018 — inspections 153
- 2017 — inspections 178
Other counties in Colorado
Every county in the state with at least three sources on file.
- 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
- Yuma County 152
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| BONANZA CRK STATE NORTH PLATTE CPF 42-26 | Synthetic minor source | No |
| BONANZA CRK-CROW VALLEY 7-62-34-2H&27-2H | Synthetic minor source | No |
| BONANZA CRK-CROW VALLEY 7-62-35-2H/26-2H | Synthetic minor source | No |
| BOULDER SCIENTIFIC CO - MEAD FACILITY | Major source | No |
| BOULDER SCIENTIFIC CO - SPECIALTY PLACE | Minor source | No |
| BRANNAN SAND & GRAVEL - VALLEY'S EDGE | Minor source | No |
| BRIGGSDALE GAS & GO - BULK PLANT | Minor source | No |
| BUCKLEN EQUIPMENT CO | Minor source | No |
| BUCKLEN SERVICES - TOLLGATE PIT | Minor source | No |
| BURNCO COLORADO - BERNHARDT RESOURCE | Minor source | No |
| BURNCO COLORADO - EWING GRAVEL MINE | Minor source | Yes |
| BURNCO COLORADO - FIRESTONE READY MIX | Minor source | No |
| BURNCO COLORADO - FIRESTONE/SHORES PIT | Minor source | No |
| BURNCO COLORADO - FT. LUPTON PLANT | Minor source | No |
| BURNCO COLORADO - LAPOUDRE SAND & GRAVEL | Minor source | No |
| BURNCO COLORADO - LUPTON MEADOWS MINE | Minor source | No |
| BURNCO COLORADO - MILLIKEN RMX PLANT | Minor source | No |
| BURNCO COLORADO - NISSEN GRAVEL MINE | Minor source | Yes |
| BURNCO COLORADO - WINDSOR READY MIX | Minor source | No |
| BURNCO COLORADO LLC - INOUYE PIT | Minor source | Yes |
| BURRIS CO INC | Minor source | No |
| C&H AGGREGATE - NORTH WELD GRAVEL PIT | Minor source | No |
| CALIBER BODYWORKS - CALIBER COLLISON | Minor source | No |
| CAMAS COLORADO INC/BESTWAY PAVING | Synthetic minor source | No |
| CARBON VALLEY CREMATORY - GREENWOOD AND | Minor source | No |
| CARRIZO OIL & GAS-BRINGELSON 34B MULTI-P | Minor source | No |
| CASTOR T9N-R59W-S35 L01 | Minor source | No |
| CCRP OPERATING - WAGNER 11-65 11-1H | Minor source | No |
| CCRP OPERATING - WAGNER 11-65 9-1H | Minor source | No |
| CEA DAIRY RNG - BELLA HOLSTEINS RNG | Minor source | No |
| CEA GREELEY - JOHNSON RNG PRODUCTION FAC | Minor source | No |
| CEA GREELEY - LONGS PEAK PIERCE BIOGAS P | Minor source | No |
| CEA GREELEY - MARRS MILKY WAY BIOGAS PRO | Minor source | No |
| CEA GREELY - MORWAI RNG FACILITY | Minor source | No |
| CEH OPERATING LLC - MCCOY PAD | Minor source | No |
| CEMENETER'S WELL SERVICE , INC. | Minor source | No |
| CFG ENERGY INC - WILLIAMS 8-1 | Minor source | No |
| CHAMPIONX LLC - GREELEY FACILITY | Minor source | No |
| CHEMICAL & METAL INDUSTRIES, INC. | Minor source | No |
| CHESAPEAKE OP - PAWNEE 2-13-1 | Minor source | No |
| CHESAPEAKE OPERATING, INC - STATE 2-16-1 | Minor source | No |
| CIRCLE K STORE # 2709846 | Minor source | No |
| CIRCLE K STORES - CORNER STORE #697 | Minor source | No |
| CIRCLE OF LIFE - 8116 INDIAN PEAKS | Minor source | No |
| CITY OF EVANS - PARKS DEPARTMENT | Minor source | No |
| CITY OF GREELEY WATER POLLUT CONTROL FAC | Synthetic minor source | No |
| CITY OF LONGMONT PUBLIC WORKS OPERATION | Minor source | No |
| CIVITAS NORTH - ALLRED 8-59-30 | Minor source | No |
| CIVITAS NORTH - BIG MTN VIPER 8-59 | Synthetic minor source | No |
| CIVITAS NORTH - BLOOMSLANG FED 8-60-14A | Synthetic minor source | No |
| CIVITAS NORTH - CANVASBACK | Minor source | No |
| CIVITAS NORTH - FRANK TRUST 11-11H | Minor source | No |
| CIVITAS NORTH - GROTHEER 5-61/11A | Minor source | No |
| CIVITAS NORTH - HUNT 8-60 17A | Synthetic minor source | No |
| CIVITAS NORTH - HUNT 8-60 17B | Minor source | No |
| CIVITAS NORTH - HUNT 8-60 6A | Minor source | No |
| CIVITAS NORTH - HUNT FED PAD 8-60 19 PRO | Minor source | No |
| CIVITAS NORTH - RICKARDS 41-10H | Minor source | No |
| CIVITAS NORTH - ROTHE 12-14-8-61 | Minor source | No |
| CIVITAS NORTH - STAMPEDE 8-60 | Synthetic minor source | No |
| CIVITAS NORTH - STATE 16-7-60-1H | Synthetic minor source | No |
| CIVITAS NORTH - VAWTER 1-11-41-8-61 | Synthetic minor source | No |
| CIVITAS NORTH -WCR 100 GROUP 14-11-8-61 | Synthetic minor source | No |
| CIVITAS NORTH LLC - ROSS 8-60 | Synthetic minor source | No |
| CIVITAS NORTH- FRANKS TRUST 14-36H | Minor source | No |
| CIVITAS NORTH, LLC - HUNT 8-60 6B/6C | Synthetic minor source | No |
| COASTAL CHEMICAL-GREELEY | Minor source | No |
| COLOR STAR GROWERS- FT LUPTON FACILITY | Synthetic minor source | No |
| COLOR STAR GROWERS, INC | Minor source | No |
| COLORADO GREENGAS -PROSPECT VALLEY DAIRY | Minor source | No |
| COLORADO INTERSTATE GAS CO - CHEYENNE CS | Major source | Yes |
| COLORADO INTERSTATE GAS CO. - FT. LUPTON | Major source | No |
| COLORADO LOOSE FILL | Minor source | No |
| COLORADO SAND - KEENESBURG NO. 2 MINE | Synthetic minor source | No |
| CONNELL RESOURCES - CARR GRAVEL PITS | Minor source | No |
| CONNELL RESOURCES - RAINDANCE PIT | Minor source | No |
| CONTECH - CONTECH ENGINEERED SOLUTIONS | Minor source | No |
| CONVENIENCE STORES GREELEY - 10TH MARKET | Minor source | No |
| COORS ENERGY KEENESBURG | Minor source | No |
| COULSON EXCAVATING - AMEN AGGREGATE RESO | Minor source | No |
| COVALENCE DJ - 70 RANCH 10 WEST | Synthetic minor source | No |
| COVALENCE DJ, LLC - BIGFOOT 11 | Synthetic minor source | No |
| COVALENCE DJ, LLC - SILVERTON 4 NORTH | Synthetic minor source | No |
| COWAN CONCRETE PRODUCTS INC BATCH PLT | Minor source | No |
| CRASH CHAMPIONS - WINDSOR | Minor source | No |
| CRESTONE - HERREN 33H-H367 | Synthetic minor source | No |
| CRESTONE - MCCONAHAY 34H-P266 | Minor source | No |
| CRESTONE - MUSIK 1 32 | Minor source | No |
| CRESTONE - STATE 3 HZ (STATE 16H-L368) | Minor source | No |
| CRESTONE - STATE PETERSON 2-20H | Synthetic minor source | No |
| CRESTONE - WOOLLEY-SOSA-BECKY 7H-E168 | Minor source | No |
| CRESTONE PEAK - BIGHORN 17H-P267 | Synthetic minor source | No |
| CRESTONE PEAK IONE 1 & CANNON #9 3 & 9 | Minor source | No |
| CRESTONE PEAK - ALAUX #F1,26 3&5 | Minor source | No |
| CRESTONE PEAK - ANDERSON TRUST #1A & 2A | Minor source | No |
| CRESTONE PEAK - ANDERSON TRUST C UNIT 2 | Minor source | No |
| CRESTONE PEAK - ANDERSON TRUST C1 BATTER | Minor source | No |
| CRESTONE PEAK - ANNIS BATTERY | Minor source | No |
| CRESTONE PEAK - ARENS (#33-15) | Minor source | No |
| CRESTONE PEAK - ARISTOCRAT #21-10 (2-10C | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.