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 |
|---|---|---|
| MACHII ROSS PETROLEUM - JOHNSTOWN | Minor source | No |
| MAGPIE OPERATING -MAGPIE COMPRESSOR SITE | Synthetic minor source | Yes |
| MAGPIE OPERATING, INC. - CAMPION PAD | Synthetic minor source | No |
| MAGPIE OPERATING, INC. - CON 1 | Minor source | No |
| MARIE GITTLEIN T3N-R64W-S4 L01 | Minor source | No |
| MARTIN MARIETTA - PARSONS PIT | Minor source | No |
| MARTIN MARIETTA - PLATTE SAND & GRAVEL | Minor source | No |
| MARTIN MARIETTA -ASPHALT PAVING MATERIAL | Synthetic minor source | No |
| MARTIN MARIETTA MTRL -RIVERBEND WEST PIT | Minor source | No |
| MARTIN MARIETTA MTRLS - COTTONWOOD/SHAW | Minor source | No |
| MARTIN MARIETTA MTRLS - RIVERBEND PIT | Minor source | No |
| MARTIN MARIETTA MTRLS - STROMQUIST | Synthetic 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 - WSC 12-9 | Minor source | No |
| MAXANNS INC | Minor source | No |
| MCCARTY 30-2 | Minor source | No |
| MEMORY LANE ANTIQUES - MEMORY LANE ANTIQ | Minor source | No |
| MERIT ENERGY - ANDY 29-2 | Minor source | No |
| MERIT ENERGY - BECKER | 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 - 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 - 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 |
| MERIT ENERGY COMPANY - BECKER 2 | Minor source | No |
| MERIT ENERGY COMPANY - BECKER 5-6 | Minor source | No |
| MERIT ENERGY COMPANY - BECKY | Minor source | No |
| MERIT ENERGY COMPANY - BENJAMIN | Minor source | No |
| MERIT ENERGY COMPANY - BERG | Minor source | No |
| MERIT ENERGY COMPANY - BILLINGS | Minor source | No |
| MERIT ENERGY COMPANY - BOUNTY | Minor source | No |
| MERIT ENERGY COMPANY - BOWEN | Minor source | No |
| MERIT ENERGY COMPANY - BRAGG | Minor source | No |
| MERIT ENERGY COMPANY - CHARLES | Minor source | No |
| MERIT ENERGY COMPANY - COTTONWOOD | Minor source | No |
| MERIT ENERGY COMPANY - DANNY B/RANDALL | Minor source | No |
| MERIT ENERGY COMPANY - DAVIS FARMS | Minor source | No |
| MERIT ENERGY COMPANY - DUELL/LUCILLE | Minor source | No |
| MERIT ENERGY COMPANY - DURNELL 1 | Minor source | No |
| MERIT ENERGY COMPANY - EATON DEVELOPMENT | Minor source | No |
| MERIT ENERGY COMPANY - EVERT/KLEIN | Minor source | No |
| MERIT ENERGY COMPANY - FARR FARMS/NICHOL | Minor source | No |
| MERIT ENERGY COMPANY - FRANK KOEHLER | Minor source | No |
| MERIT ENERGY COMPANY - GITTLEIN | Minor source | No |
| MERIT ENERGY COMPANY - GLENS | Minor source | No |
| MERIT ENERGY COMPANY - GROVES | Minor source | No |
| MERIT ENERGY COMPANY - HAMILTON 12-25 | Minor source | No |
| MERIT ENERGY COMPANY - HAMILTON 31-25 | Minor source | No |
| MERIT ENERGY COMPANY - HAYTHORN | Minor source | No |
| MERIT ENERGY COMPANY - HECKENDORF | Minor source | No |
| MERIT ENERGY COMPANY - HUNGENBERG 4-20 | Minor source | No |
| MERIT ENERGY COMPANY - JACOBUCCI 1 | Minor source | No |
| MERIT ENERGY COMPANY - JESSIE | Minor source | No |
| MERIT ENERGY COMPANY - JOHNSON | Minor source | No |
| MERIT ENERGY COMPANY - KERBS | Minor source | No |
| MERIT ENERGY COMPANY - KIELIAN | Minor source | No |
| MERIT ENERGY COMPANY - LANDAU | Minor source | No |
| MERIT ENERGY COMPANY - LATHAM RESERVOIR | Minor source | No |
| MERIT ENERGY COMPANY - LAW | Minor source | No |
| MERIT ENERGY COMPANY - LINHART 4-33 | Minor source | No |
| MERIT ENERGY COMPANY - LOUIS KLEIN | Minor source | No |
| MERIT ENERGY COMPANY - MARITA | Minor source | No |
| MERIT ENERGY COMPANY - MATT | Minor source | No |
| MERIT ENERGY COMPANY - MEINING | Minor source | No |
| MERIT ENERGY COMPANY - NICHOLAS 5 | Minor source | No |
| MERIT ENERGY COMPANY - P&A 11-30 | Minor source | No |
| MERIT ENERGY COMPANY - PESCHEL 24-20 | Minor source | No |
| MERIT ENERGY COMPANY - PESCHEL 43-20 | Minor source | No |
| MERIT ENERGY COMPANY - PFEIFFER 15-26 | Minor source | No |
| MERIT ENERGY COMPANY - ROTHE 2-24 | Minor source | No |
| MERIT ENERGY COMPANY - SCHAFER 2 | Minor source | No |
| MERIT ENERGY COMPANY - SERENA | Minor source | No |
| MERIT ENERGY COMPANY - SUCCO 4 | Minor source | No |
| MERIT ENERGY COMPANY - URSULA | Minor source | No |
| MERIT ENERGY COMPANY - VETTING | Minor source | No |
| MERIT ENERGY COMPANY - WALSH 1 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.