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 |
|---|---|---|
| PDC ENERGY - J KLEIN 7 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - J&L FARMS 11-20 | Minor source | No |
| PDC ENERGY - JACOBUCCI 32 SEC PAD 1 & 2 | Synthetic minor source | No |
| PDC ENERGY - JACOBUCCI 32 SEC PAD 3 | Synthetic minor source | No |
| PDC ENERGY - JEFFERS 11, 21- | Minor source | No |
| PDC ENERGY - JERKE T4N-R65W-S7 L02 | Minor source | No |
| PDC ENERGY - JERKE T4N-R65W-S7 L02 | Minor source | No |
| PDC ENERGY - JOHNSON 14, 24-4 | Minor source | No |
| PDC ENERGY - JOHNSON 6-30 | Minor source | No |
| PDC ENERGY - JOHNSON KNUTSON T4N-R66W-S1 | Minor source | No |
| PDC ENERGY - JUSTINE & WESTERN | Minor source | No |
| PDC ENERGY - KAISER 2,6,7,18,21,25,28,92 | Synthetic minor source | No |
| PDC ENERGY - KAMMERZELL 6-7F, 6-23 | Minor source | No |
| PDC ENERGY - KAWATA 21-16 PAD | Minor source | No |
| PDC ENERGY - KAWATA T4N-R66W-S16 L01 | Minor source | No |
| PDC ENERGY - KERBS... | Minor source | No |
| PDC ENERGY - KFKA T5N-R66W-S25 L01 | Minor source | No |
| PDC ENERGY - KIEHN & WEIS | Synthetic minor source | No |
| PDC ENERGY - KINSMAN STEVEN T4N-R65W-S18 | Minor source | No |
| PDC ENERGY - KINSMAN T4N-R65W-S18 L01 | Minor source | No |
| PDC ENERGY - KINSMAN T4N-R65W-S18 L02 | Minor source | No |
| PDC ENERGY - KIRBY 33, 43-36 | Minor source | No |
| PDC ENERGY - KISSLER T4N-R66W-S21 L02 | Minor source | No |
| PDC ENERGY - KISSLER T4N-R66W-S21 L06 | Minor source | No |
| PDC ENERGY - KLEIN 19 SEC PAD 2 | Synthetic minor source | No |
| PDC ENERGY - KLEIN WELLS | Minor source | No |
| PDC ENERGY - KODAK 34-41, 44, 45 | Minor source | No |
| PDC ENERGY - KODAK CDP FACILITY | Minor source | No |
| PDC ENERGY - KODAK NORTH PAD 2&3 | Synthetic minor source | No |
| PDC ENERGY - KODAK SOUTH 26 SEC | Synthetic minor source | No |
| PDC ENERGY - KOEHLER 1, 2 | Minor source | No |
| PDC ENERGY - KOHLHOFF 24-22 | Minor source | No |
| PDC ENERGY - KREPS / KREPS TRUST | Minor source | No |
| PDC ENERGY - KREPS 1 | Minor source | No |
| PDC ENERGY - KREPS 11-7 | Minor source | No |
| PDC ENERGY - KREPS 21-7 | Minor source | No |
| PDC ENERGY - KREPS 31, 32-6 | Minor source | No |
| PDC ENERGY - LAJCO 17 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - LAND JG 31 BATTERY | Minor source | No |
| PDC ENERGY - LAPP 33-12; SCHRANT 23 | Minor source | No |
| PDC ENERGY - LAUREN 1 | Minor source | No |
| PDC ENERGY - LAWLEY 33, 43-4; 44-4D | Minor source | No |
| PDC ENERGY - LDS 1 SEC PAD 2 | Synthetic minor source | No |
| PDC ENERGY - LDS 5, 6-28 | Minor source | No |
| PDC ENERGY - LDS NORTH PAD | Synthetic minor source | No |
| PDC ENERGY - LEFFLER 14-1H, 24-1H; 34-1C | Minor source | No |
| PDC ENERGY - LEFFLER 33, 34-2 & 2SD | Minor source | No |
| PDC ENERGY - LEFFLER 33, 43-35 & 35D | Minor source | No |
| PDC ENERGY - LEFFLER 8-21, DONN 1-21 PAD | Synthetic minor source | No |
| PDC ENERGY - LESSER T5N-R66W-S33 L02 | Minor source | No |
| PDC ENERGY - LIGHTNING 3 SEC HZ | Minor source | No |
| PDC ENERGY - LINCOLN STATE 3-18 PAD | Synthetic minor source | No |
| PDC ENERGY - LINHART& ASHTON | Minor source | No |
| PDC ENERGY - LOEFFLER #3-11 | Minor source | No |
| PDC ENERGY - LOEFFLER K01 ECONODE T4N-R6 | Minor source | Yes |
| PDC ENERGY - LOEWEN 25-32 | Minor source | No |
| PDC ENERGY - LOFLAND 44-22 | Minor source | No |
| PDC ENERGY - LOLOFF FARMS 26 SEC PAD 1 | Minor source | No |
| PDC ENERGY - LOLOFF FARMS 26 SEC PAD 2 | Synthetic minor source | No |
| PDC ENERGY - LORENZ CHRIS T4N-R66W-S26 L | Minor source | No |
| PDC ENERGY - LORENZ F | Minor source | No |
| PDC ENERGY - LOUIS KLEIN 19-1; SETH 1, 5 | Minor source | No |
| PDC ENERGY - LOUSTALET 13, 23, 24-25 | Minor source | No |
| PDC ENERGY - LOUSTALET 32-12 | Minor source | No |
| PDC ENERGY - LOWELL PAUL DAIRY T6N | Minor source | No |
| PDC ENERGY - LUNDVALL 1, 18-22, 18-06 | Minor source | No |
| PDC ENERGY - LUNDVALL T5N-R66W-S18 L03 | Minor source | No |
| PDC ENERGY - LUNDVALL UP 2-19 | Minor source | No |
| PDC ENERGY - MAPELLI 2, 3 | Minor source | No |
| PDC ENERGY - MARCUS LD PAD | Synthetic minor source | No |
| PDC ENERGY - MARGIL NW/4 | Minor source | No |
| PDC ENERGY - MARKET FEDERAL 18 SEC HZ | Minor source | No |
| PDC ENERGY - MARTINSON 24 & 13 | Minor source | No |
| PDC ENERGY - MAXEY-HOFF 1, 2 | Minor source | No |
| PDC ENERGY - MCCARTHY SHAMROCK FED T4N-R | Minor source | No |
| PDC ENERGY - MCCARTHY, MELVIN BLACK FED | Minor source | No |
| PDC ENERGY - MCCARTY 28-1 | Minor source | No |
| PDC ENERGY - MCCARTY, MELVIN BLAKE | Minor source | No |
| PDC ENERGY - MCCLELLAN 33-20 | Minor source | No |
| PDC ENERGY - MCDERMED 1-1 | Minor source | No |
| PDC ENERGY - MCGLOTHLIN 9 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - MCGLOTHLIN FARMS 4 SEC | Synthetic minor source | No |
| PDC ENERGY - MCKEE 22-21 | Minor source | No |
| PDC ENERGY - MCKEE 41-21 | Minor source | No |
| PDC ENERGY - MCKENNEY 6-42, 43 | Minor source | No |
| PDC ENERGY - MCLEOD 1, 5; 1-29B | Minor source | No |
| PDC ENERGY - MCLEOD 2-29B | Minor source | No |
| PDC ENERGY - MCLEOD 29-13; 7 | Minor source | No |
| PDC ENERGY - MCLEOD 29-29X | Minor source | No |
| PDC ENERGY - MCLEOD 29-41 | Minor source | No |
| PDC ENERGY - MCMILLEN T4N-R65W-S19 L02 | Minor source | No |
| PDC ENERGY - MCNEAR 10-9 PAD | Synthetic minor source | No |
| PDC ENERGY - MEINING 1; 1-30B | Minor source | No |
| PDC ENERGY - MELISSA 1 | Minor source | No |
| PDC ENERGY - MESBERGEN | Minor source | No |
| PDC ENERGY - MEYER WELLS | Minor source | No |
| PDC ENERGY - MEYRING 13, 14-27 | Minor source | No |
| PDC ENERGY - MILLER & BURTON | Synthetic minor source | No |
| PDC ENERGY - MILLER 33, 43-29 | Minor source | No |
| PDC ENERGY - MILLER 5 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.