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 - DINNER T4N-R65W-18 L01 | Minor source | No |
| PDC ENERGY - DITTMER KE PAD | Synthetic minor source | No |
| PDC ENERGY - DOS RIOS & RUMSEY | Minor source | No |
| PDC ENERGY - DOS RIOS T5N-R66W-S33 L01 | Minor source | No |
| PDC ENERGY - DOS RIOS T5N-R66W-S34 L03 | Minor source | No |
| PDC ENERGY - DRAKE SEC 17 HZ | Minor source | No |
| PDC ENERGY - DUKE T5N-R66W-S4 L01 | Minor source | No |
| PDC ENERGY - DUNN 7 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - DYER 1, 2-2 | Minor source | No |
| PDC ENERGY - EBERLE PAD | Synthetic minor source | No |
| PDC ENERGY - EDENS 18 | Minor source | No |
| PDC ENERGY - EDWARDS 11D,12D,21,22D-15U. | Minor source | No |
| PDC ENERGY - EHRLICH 5 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - ELBERT 21 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - ELKHEAD / VEGA 6 SEC HZ | Major source | No |
| PDC ENERGY - ELLA 1 | Minor source | No |
| PDC ENERGY - ELLIS T4N-R66W-S22 L01 | Minor source | No |
| PDC ENERGY - EMERSON FARMS 14-20 | Minor source | No |
| PDC ENERGY - ERICKSON 34-4 | Minor source | No |
| PDC ENERGY - ERWIN 27 SEC HZ | Minor source | No |
| PDC ENERGY - EVANS 7-26 PAD | Synthetic minor source | No |
| PDC ENERGY - EVANS INDUSTRIAL PARK | Minor source | No |
| PDC ENERGY - EWING FAGERBURG LOYD MCARTH | Minor source | No |
| PDC ENERGY - FAGERBERG 33-12 | Synthetic minor source | No |
| PDC ENERGY - FALKEN 9-11 | Synthetic minor source | No |
| PDC ENERGY - FERGUSON 23 SEC HZ | Minor source | No |
| PDC ENERGY - FERN 11 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - FIVE RIVERS UPPER | Minor source | No |
| PDC ENERGY - FLATHEAD/MOBILE PREMIX | Minor source | No |
| PDC ENERGY - FOOS 14-1, 2 | Minor source | No |
| PDC ENERGY - FRANCEN 23, 24-8 | Minor source | No |
| PDC ENERGY - FRITZLER 11, 21, 29-22 | Minor source | No |
| PDC ENERGY - FRITZLER NOFFSINGER T4N-R66 | Minor source | No |
| PDC ENERGY - FRITZLER SEC 17, HOOD 6, | Minor source | No |
| PDC ENERGY - G&D HANKS 10, 15, 20-27 | Minor source | No |
| PDC ENERGY - GADDIS 36E-323, 403; + | Minor source | No |
| PDC ENERGY - GARCIA 2,18,21,22,29-25 | Minor source | No |
| PDC ENERGY - GARCIA T4N-R66W-S5 L01 | Minor source | No |
| PDC ENERGY - GARDNER 12-19 | Minor source | No |
| PDC ENERGY - GEIB 26 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - GEMINI K 1-10, 6-33,01-99HZ | Minor source | Yes |
| PDC ENERGY - GEORGE SEC 21 HZ | Minor source | No |
| PDC ENERGY - GIES 11, 14, 19-32 | Synthetic minor source | No |
| PDC ENERGY - GILCREST TOWNSITE 28-12 | Minor source | No |
| PDC ENERGY - GILLHAM 18 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - GODBY 2, 6-30 | Minor source | No |
| PDC ENERGY - GOETZEL 7-29 & 25-29 | Synthetic minor source | Yes |
| PDC ENERGY - GOLD 11-9DU, 9ADU, GWS2 | Minor source | No |
| PDC ENERGY - GOLD 22-9U, 32-9U & 9NU | Minor source | No |
| PDC ENERGY - GOLD 31-9DU, 9CDU, GWS 1 | Minor source | No |
| PDC ENERGY - GOLD T5N-R66W-S22-L01 | Minor source | No |
| PDC ENERGY - GOLLNER O 27-3 & 4 & 5 | Minor source | No |
| PDC ENERGY - GOLLNER OIL T4N-R67W-S27 L0 | Minor source | No |
| PDC ENERGY - GOODNER & MCCARTHY & SHAMRO | Minor source | No |
| PDC ENERGY - GRAY O T4N-R67W-S26 L01 | Minor source | No |
| PDC ENERGY - GRAYS FEDERAL 27 SEC HZ | Minor source | No |
| PDC ENERGY - GREELEY HURST | Minor source | No |
| PDC ENERGY - GREEN 12-24H | Minor source | No |
| PDC ENERGY - GUARD RH FARMS T7N R6 | Minor source | No |
| PDC ENERGY - GUTFELDER 18-30 | Minor source | No |
| PDC ENERGY - GUTFELDER AMOCO 14-09 | Minor source | No |
| PDC ENERGY - HAMBLEN | Minor source | No |
| PDC ENERGY - HANKINS 31-22H; 22-11, 12.. | Minor source | No |
| PDC ENERGY - HARD FOUGHT & RODRIGUEZ | Minor source | No |
| PDC ENERGY - HARVEST 1 | Minor source | No |
| PDC ENERGY - HARVESTERS STATE 7-15 | Synthetic minor source | No |
| PDC ENERGY - HELDT 11-18 | Minor source | No |
| PDC ENERGY - HELDT 12-18 | Minor source | No |
| PDC ENERGY - HEN 4N64W8 1-22 | Minor source | No |
| PDC ENERGY - HERGERT 17 | Minor source | No |
| PDC ENERGY - HERRELL 1, 2, 17-22 | Minor source | No |
| PDC ENERGY - HICKS 1, 2 | Minor source | No |
| PDC ENERGY - HIGHPOINT 10A, B, KD LD, PD | Minor source | No |
| PDC ENERGY - HILL 6L-421 | Minor source | No |
| PDC ENERGY - HOFFMAN B 33-19 | Minor source | No |
| PDC ENERGY - HONEBEIN 7 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - HONEY BADGER UPRC BERNHARDT | Synthetic minor source | No |
| PDC ENERGY - HOOD 20 SEC | Synthetic minor source | No |
| PDC ENERGY - HOP 13-11B | Minor source | No |
| PDC ENERGY - HOP 13-13B, F 13-25 | Minor source | No |
| PDC ENERGY - HOP 18 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - HOSHIKO PAD | Minor source | No |
| PDC ENERGY - HOWARD #3-27 | Minor source | No |
| PDC ENERGY - HOWARD #8-27 | Minor source | No |
| PDC ENERGY - HOWARD LAKE 12-9 | Minor source | No |
| PDC ENERGY - HSR ELLIOT AUSTIN ULRICH T4 | Minor source | No |
| PDC ENERGY - HSR MOORE LUNDVALL T5N-R65W | Minor source | No |
| PDC ENERGY - HSR STROH LINDSEY T5N-R67W | Minor source | No |
| PDC ENERGY - HUNGENBERG 22-17 | Minor source | No |
| PDC ENERGY - HUNGENBERG T4N-R66W-S13 L01 | Minor source | No |
| PDC ENERGY - HUNT 1-18 & MALINA 8-18 | Minor source | No |
| PDC ENERGY - HUNT FEDERAL 28 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - HURON LEDFORD 22 SEC HZ | Synthetic minor source | No |
| PDC ENERGY - IKENOUYE F28-33, F29-22, 23 | Minor source | No |
| PDC ENERGY - IKENOUYE T5N R65W S29 | Minor source | No |
| PDC ENERGY - IRENE ROY SCHMIDT | Minor source | Yes |
| PDC ENERGY - IRVINE 15, 20-22 | Minor source | No |
| PDC ENERGY - ISHIGURO T6N-R66W-S35 L01 | Minor source | No |
| PDC ENERGY - J & L FARMS 12, 22, 23-29 & | Minor source | No |
| PDC ENERGY - J & L FARMS 31, 41-19 | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.