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 |
|---|---|---|
| BISON IV - FABRIZIUS 28-14, 42, 44 | Synthetic minor source | No |
| BISON IV - FISCUS 23 PAD | Minor source | No |
| BISON IV - FOX CREEK 25 SE PAD | Minor source | No |
| BISON IV - FOX CREEK 25-1 | Synthetic minor source | No |
| BISON IV - FOX CREEK 28 SWSE | Synthetic minor source | No |
| BISON IV - FOX CREEK 3-26H | Synthetic minor source | No |
| BISON IV - FOX CREEK 34-1 | Synthetic minor source | No |
| BISON IV - GALLEGOS PC GJ 13-99HZ | Minor source | No |
| BISON IV - GARDEN CREEK | Minor source | No |
| BISON IV - GARDEN CREEK 09-16H | Minor source | No |
| BISON IV - GARDEN CREEK 11-18H | Minor source | No |
| BISON IV - GARDEN CREEK 12-19H | Minor source | No |
| BISON IV - GARDEN CREEK 16-2314H | Minor source | No |
| BISON IV - GARDEN CREEK 24-32H | Synthetic minor source | No |
| BISON IV - GARDEN CREEK 27-36H | Minor source | No |
| BISON IV - GARDEN CREEK 6-11H | Minor source | No |
| BISON IV - GOLDENEYE CENTER PA | Minor source | No |
| BISON IV - GREEN TEAL FED PAD | Minor source | No |
| BISON IV - HALE 8-60 22-33 | Minor source | No |
| BISON IV - HARLEQUIN NORTH PAD | Minor source | No |
| BISON IV - HEATH PC GK02-07 | Minor source | No |
| BISON IV - JAKE 2-1H | Minor source | No |
| BISON IV - KALIA 5-11, DF RANCH 11 | Minor source | No |
| BISON IV - KOLOA PAD | Synthetic minor source | No |
| BISON IV - LION CREEK #4-16H | Minor source | No |
| BISON IV - LION CREEK 2-13H | Minor source | No |
| BISON IV - LION CREEK 23 NWNW PAD | Synthetic minor source | No |
| BISON IV - LION CREEK 3-14H | Minor source | No |
| BISON IV - LION CREEK 7-24H | Synthetic minor source | No |
| BISON IV - LION CREEK 9-35H(SEE 123-A2CD | Synthetic minor source | No |
| BISON IV - LITTLE LADY 21 NORTH PAD | Minor source | No |
| BISON IV - LITTLE LADY 21 SOUTH | Synthetic minor source | No |
| BISON IV - LONGHORN 4-36H | Minor source | No |
| BISON IV - LOYD FARMS 01-32 J | Minor source | No |
| BISON IV - MARICK 1061-6-41 JS | Minor source | No |
| BISON IV - MEADER #5-N PAD | Synthetic minor source | No |
| BISON IV - MOTTLED PAD | Minor source | No |
| BISON IV - PINTAIL PAD | Synthetic minor source | No |
| BISON IV - PRONGHORN 11-14-12HZ | Minor source | No |
| BISON IV - PURCELL PC GK 11-10 | Minor source | No |
| BISON IV - RANDALL CREEK 1-28H | Minor source | No |
| BISON IV - RANDALL CREEK 13-27H | Synthetic minor source | No |
| BISON IV - RANDALL CREEK 29-1 PAD | Synthetic minor source | No |
| BISON IV - RANDALL CREEK 30 PAD | Synthetic minor source | No |
| BISON IV - RANDALL CREEK 4-32H | Synthetic minor source | No |
| BISON IV - RANDALL CREEK 6-19H | Minor source | No |
| BISON IV - RASMUSS HUNGEN SHABLE | Synthetic minor source | No |
| BISON IV - RAY STATE 13-16 | Synthetic minor source | No |
| BISON IV - SALT RANCH FEE #10 EAST | Minor source | No |
| BISON IV - SALT RANCH FEE 18 PAD | Minor source | No |
| BISON IV - SHABEL 3-32&TROSTEL 32-23&34 | Synthetic minor source | No |
| BISON IV - SHABEL PC GK 19-99HZ | Synthetic minor source | No |
| BISON IV - SHABLE 30-41, 30-43 | Minor source | No |
| BISON IV - SIMBA SWD | Minor source | No |
| BISON IV - TIMM PC GK04-12 | Synthetic minor source | No |
| BISON IV - TRUE RANCH FEE 2326H | Synthetic minor source | No |
| BISON IV - TSUBAKI HILLS | Minor source | No |
| BISON IV - WADE 8-59 17 | Minor source | No |
| BISON IV - WELD 3,5,6/FABRIZIUS 28 | Minor source | No |
| BISON IV - WHITETAIL F-4 PRODUCTION | Synthetic minor source | No |
| BISON IV - WILSON 1160-29-22 JS | Minor source | No |
| BISON IV - WILSON PC GO 02-04 | Minor source | No |
| BISON IV -DF RANCH 3-41, 3-43 | Synthetic minor source | No |
| BISON IV -FABRIZIUS 33-12,14,42,44 | Synthetic minor source | No |
| BISON IV -SILVERBACK 36-A | Synthetic minor source | No |
| BISON IV OPERATING - BENELLI 12 PAD | Minor source | No |
| BISON IV OPERATING - DORADO 36 PAD | Minor source | No |
| BISON IV OPERATING - HIGHLANDER 35 PAD | Synthetic minor source | No |
| BISON IV OPERATING - SHOVELER PAD | Synthetic minor source | No |
| BISON IV OPERATING - TRIGGERFISH PAD | Minor source | No |
| BISON O&G IV-CROW VALLEY 7-62-30-2H&31-2 | Synthetic minor source | No |
| BLACK DIAMOND - LUCERNE NGL INTERCONNECT | Minor source | No |
| BLACK DIAMOND - MEWBOURN LACT UNIT | Minor source | No |
| BLACK DIAMOND MIDSTREAM - O'CONNOR LACT | Minor source | No |
| BLACK DIAMOND STOR - MAGELLAN/SADDLEHORN | Minor source | No |
| BLACK DIAMOND STORAGE AND TERM - LUCERNE | Major source | No |
| BLACK DIAMOND-MILTON CRUDE OIL TERMINAL | Major source | No |
| BLACK EAGLE ENERGY SERVICES | Minor source | No |
| BLUE CHIP OIL - JERVIS 21-14 | Minor source | No |
| BLUE CHIP OIL - NORTH POUDRE 1-30 | Minor source | No |
| BLUE CHIP OIL - SLOAN 1 | Minor source | No |
| BLUE CHIP OIL, INC.- ANDREWS TANK BATTER | Minor source | No |
| BLUE CHIP OIL, INC.- HAGER PROPERTIES | Minor source | No |
| BLUE CHIP OIL, INC.- SLOAN #3 | Minor source | No |
| BLUE CHIP OIL, INC.- WAGNER 2-1 | Minor source | No |
| BNN WESTERN - REDTAIL POND I | Minor source | No |
| BNN WESTERN - REDTAIL POND A | Minor source | No |
| BNN WESTERN - REDTAIL POND B | Minor source | No |
| BNN WESTERN - REDTAIL POND H | Minor source | No |
| BONANZA - LATHAM 11-13 PROD FACILITY | Major source | No |
| BONANZA - LATHAM 14-2 PRODUCTION FACILI | Synthetic minor source | No |
| BONANZA - LATHAM 41-1 PRODUCTIONFACILITY | Minor source | No |
| BONANZA CREEK - STATE ANTELOPE B-2 | Minor source | No |
| BONANZA CREEK - DOW 13-28 | Minor source | No |
| BONANZA CREEK - ANTELOPE J-1 | Minor source | No |
| BONANZA CREEK - ANTELOPE 13-17 | Minor source | No |
| BONANZA CREEK - ANTELOPE 14-21 | Minor source | No |
| BONANZA CREEK - ANTELOPE 18-I | Synthetic minor source | No |
| BONANZA CREEK - ANTELOPE 21-17 ETC | Synthetic minor source | No |
| BONANZA CREEK - ANTELOPE 22-18 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.