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
Violations in Weld County, 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.
- 2026 violations 4
- 2025 violations 77
- 2024 violations 128
- 2023 violations 89
- 2022 violations 43
- 2021 violations 116
- 2020 violations 66
- 2019 violations 47
- 2018 violations 53
- 2017 violations 29
Stack tests in Weld County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 72
- 2025 stack tests 186
- 2024 stack tests 170
- 2023 stack tests 246
- 2022 stack tests 207
- 2021 stack tests 160
- 2020 stack tests 208
- 2019 stack tests 197
- 2018 stack tests 83
- 2017 stack tests 103
Inspections in Weld County, year by year · Violations in Weld County, year by year · Stack tests in Weld County, year by year
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 |
|---|---|---|
| PETRO-CANADA - 056724-SWSW-BATT | Minor source | No |
| PETRO-CANADA - 066522-SESW-BATT | Minor source | No |
| PETRO-CANADA - 066619-NWNE-BATT | Minor source | No |
| PETRO-CANADA - 056722 - NWSE-BATT | Minor source | No |
| PETROLEUM DEV CORP WIEDEMAN 21 22-21 U | Minor source | No |
| PETROLEUM DEV - BUTTERBALL 23, 24-19 | Minor source | No |
| PETROLEUM DEV - DUNN 1(WICHITA)&24-7 | Minor source | No |
| PETROLEUM DEV - SIEBRING 33D, 34-29U, 29 | Minor source | No |
| PETROLEUM DEV - SKURICH-ROTHE 6-D | Minor source | No |
| PETROLEUM DEV - TRACY 41, 42-23 | Minor source | No |
| PETROLEUM DEV - WELLS RANCH 21-10, 22-10 | Minor source | No |
| PETROLEUM DEV - WIEDEMAN 24-21, 21B | Minor source | No |
| PETROLEUM DEV ANDERSON 1-34 | Minor source | No |
| PETROLEUM DEV ANDERSON 12-13 | Minor source | No |
| PETROLEUM DEV B&B 10-11 | Minor source | No |
| PETROLEUM DEV BENSON 23-15 | Minor source | No |
| PETROLEUM DEV BLOSKAS 9-23 | Minor source | No |
| PETROLEUM DEV BOLET 33-17 | Minor source | No |
| PETROLEUM DEV BOOTH 24-35 | Minor source | No |
| PETROLEUM DEV BOOTH 33-35, 34-35 | Minor source | No |
| PETROLEUM DEV BRYCE 1 | Minor source | No |
| PETROLEUM DEV BUJALSKI 41-25 | Minor source | No |
| PETROLEUM DEV CAPEHART 1, 31-29 | Minor source | No |
| PETROLEUM DEV CLEMONS 42-3 | Minor source | No |
| PETROLEUM DEV CORP - CARLSON 18-1 | Minor source | No |
| PETROLEUM DEV CORP - EDWARDS 21D-15U, 22 | Minor source | No |
| PETROLEUM DEV CORP - GRAZNAK 1-19 | Minor source | No |
| PETROLEUM DEV CORP - HIGHPOINTE 10D | Minor source | No |
| PETROLEUM DEV CORP - MCCARTY 30-1 | Minor source | No |
| PETROLEUM DEV CORP - UCLI 6-1 & 6-2 | Minor source | No |
| PETROLEUM DEV CORP - WARREN 10-1 | Minor source | No |
| PETROLEUM DEV CORP CHRISTIANSEN 31-33 | Minor source | No |
| PETROLEUM DEV CORP HOWARD LAKE 12-9 | Minor source | No |
| PETROLEUM DEV CORP J & L FARMS 32-29D | Minor source | No |
| PETROLEUM DEV CORP JOHNSON 14-4 | Minor source | No |
| PETROLEUM DEV CORP MCINTOSH 33-23, 34-23 | Minor source | No |
| PETROLEUM DEV CORP MILLER-DEPPE 11-13 | Minor source | No |
| PETROLEUM DEV CORP NATNL HOG FARM 31-21 | Minor source | No |
| PETROLEUM DEV CORP NOFFSINGER 22-33 | Minor source | No |
| PETROLEUM DEV CORP PEIKER 41-6, 42-6 | Minor source | No |
| PETROLEUM DEV CORP SKURICH-ROTHE ST 34-6 | Minor source | No |
| PETROLEUM DEV CORP STATE PETERSON 23-16 | Minor source | No |
| PETROLEUM DEV CORP TRINITY 44-7 | Minor source | No |
| PETROLEUM DEV CORP- COORS ENERGY 24-25 | Minor source | No |
| PETROLEUM DEV CORP-BROWN MCCARTHY 30-43 | Minor source | No |
| PETROLEUM DEV CORP. - AR 18-44 | Minor source | No |
| PETROLEUM DEV CORP. - P & H 22-32 | Minor source | No |
| PETROLEUM DEV DEWEY 22-28 | Minor source | No |
| PETROLEUM DEV DROEGEMULLER 11-15 | Minor source | No |
| PETROLEUM DEV EHRLICH 24-7 | Minor source | No |
| PETROLEUM DEV EWING 1 | Minor source | No |
| PETROLEUM DEV FOE 33-20 | Minor source | No |
| PETROLEUM DEV FRANK 25-42 | Minor source | No |
| PETROLEUM DEV GADDIS 31-36 | Minor source | No |
| PETROLEUM DEV GADDIS 42-36 | Minor source | No |
| PETROLEUM DEV GUTTERSEN 21-31, 21-42 | Minor source | No |
| PETROLEUM DEV GUTTERSEN 23-32 | Minor source | No |
| PETROLEUM DEV GUTTERSEN 43 & 44-11 | Minor source | No |
| PETROLEUM DEV GUTTERSEN 43 & 44-24 | Minor source | No |
| PETROLEUM DEV GWS 1 | Minor source | No |
| PETROLEUM DEV HETTINGER 1, 44-18 | Minor source | No |
| PETROLEUM DEV HETTINGER 34-18 | Minor source | No |
| PETROLEUM DEV HOSHIKO 31-17, 41-17 | Minor source | No |
| PETROLEUM DEV J & L FARMS 22-29 | Minor source | No |
| PETROLEUM DEV J & L FARMS 23-21, 23-22 | Minor source | No |
| PETROLEUM DEV J & L FARMS 29-34, 44-29 | Minor source | No |
| PETROLEUM DEV JEFFERS 41-35 | Minor source | No |
| PETROLEUM DEV JENNIFER 1 | Minor source | No |
| PETROLEUM DEV JOHNSON, RUDOLPH, KNOX... | Minor source | No |
| PETROLEUM DEV KINZER 28-2 & 28LD | Minor source | No |
| PETROLEUM DEV KIRBY 29-11 | Minor source | No |
| PETROLEUM DEV KOEHLER 1, 2 | Minor source | No |
| PETROLEUM DEV KREPS 33-6, 43-6 | Minor source | No |
| PETROLEUM DEV KRISTEN 1 | Minor source | No |
| PETROLEUM DEV L F RANCH 1-13 | Minor source | No |
| PETROLEUM DEV LAW 1 | Minor source | No |
| PETROLEUM DEV LAW 34-12, 44-12 | Minor source | No |
| PETROLEUM DEV LAWLEY 44-4D | Minor source | No |
| PETROLEUM DEV LEAFGREN 13-17 | Minor source | No |
| PETROLEUM DEV LEAFGREN 23-17 | Minor source | No |
| PETROLEUM DEV MARCY 42-31 | Minor source | No |
| PETROLEUM DEV MCCARTY 28-1 | Minor source | No |
| PETROLEUM DEV MCDOWELL 34-1 | Minor source | No |
| PETROLEUM DEV MCKEE 21-21 | Minor source | No |
| PETROLEUM DEV MILLAGE 13-3D | Minor source | No |
| PETROLEUM DEV MILLER-DEPPE 1 | Minor source | No |
| PETROLEUM DEV MONSON 23-20, 24-20 | Minor source | No |
| PETROLEUM DEV MOTIS 1 | Minor source | No |
| PETROLEUM DEV MOTIS 34-7 | Minor source | No |
| PETROLEUM DEV MOTIS 7-A, 33-7 | Minor source | No |
| PETROLEUM DEV NATIONAL HOG FARM 32-21 | Minor source | No |
| PETROLEUM DEV NATL HOG FARM 31-17 32-17 | Minor source | No |
| PETROLEUM DEV NATNL HOG FARM 17-21 | Minor source | No |
| PETROLEUM DEV NELSON 31-33 42-33 J-33-23 | Minor source | No |
| PETROLEUM DEV NOFFSINGER 32-5, MINN 5-C | Minor source | No |
| PETROLEUM DEV OLSON 29-12 | Minor source | No |
| PETROLEUM DEV PAPPENHEIM 33-26, 43-26 | Minor source | No |
| PETROLEUM DEV PETERSON 43-13 | Minor source | No |
| PETROLEUM DEV PLUMB 7-C | Minor source | No |
| PETROLEUM DEV ROTHARMEL 1 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.