EPA Air · stack tests by county and year
Air-emissions stack tests in Weld County, Colorado, 2024
- 170Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Weld County, Colorado during 2024. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Weld County facility page.
Weld County, Colorado, 2024
Air-emissions stack tests in Weld County, other years
Air-emissions stack tests recorded in Weld County, Colorado, 2024
| Date | Facility | Kind | Agency |
|---|---|---|---|
| 2024-04-25 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | Pass | State |
| 2024-04-25 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | Pass | State |
| 2024-04-23 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | Pass | State |
| 2024-04-18 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | Pass | State |
| 2024-04-18 | ASPHALT SPECIALTIES - STILES MINING RESO | N/A | State |
| 2024-04-18 | ASPHALT SPECIALTIES - STILES MINING RESO | N/A | State |
| 2024-04-17 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | Pass | State |
| 2024-04-17 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | Pass | State |
| 2024-04-17 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | Pass | State |
| 2024-04-17 | DCP OPERATING CO - TROUDT C.S. | Pass | State |
| 2024-04-17 | NOBLE ENERGY - WELLS RANCH AE20 ECONODE | Pass | State |
| 2024-04-17 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | Pass | State |
| 2024-04-17 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | Pass | State |
| 2024-04-17 | SUMMIT DJ-O OPERATING - MAKENA GAS PLANT | Pass | State |
| 2024-04-16 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | N/A | State |
| 2024-04-16 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | Pass | State |
| 2024-04-16 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | Pass | State |
| 2024-04-16 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | Pass | State |
| 2024-04-16 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | Pass | State |
| 2024-04-16 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | Pass | State |
| 2024-04-16 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | Pass | State |
| 2024-04-16 | EXTRACTION - ARDREY PRODUCTION FACILITY | Pass | State |
| 2024-04-16 | EXTRACTION - ARDREY PRODUCTION FACILITY | Pass | State |
| 2024-04-15 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | N/A | State |
| 2024-04-15 | ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON | Pass | State |
| 2024-04-11 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | N/A | State |
| 2024-04-10 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | Pass | State |
| 2024-04-10 | NOBLE ENERGY - WELLS RANCH AE20 ECONODE | Fail | State |
| 2024-04-10 | WES DJ GATHERING - LATHAM GAS PLANT | Pass | State |
| 2024-04-09 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | Pass | State |
| 2024-04-09 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | Pass | State |
| 2024-04-09 | DCP OPERATING CO - NORTHSTAR C.S. | Pass | State |
| 2024-04-09 | DCP OPERATING CO - NORTHSTAR C.S. | Pass | State |
| 2024-04-02 | PDC ENERGY - CANNON PAD | Pass | State |
| 2024-04-02 | PDC ENERGY - HOOD 20 SEC | Pass | State |
| 2024-03-29 | KERR-MCGEE O&G GADDIS 3-36HZ | N/A | State |
| 2024-03-28 | PRAIRIE OPERATING - ELDER PAD | Fail | State |
| 2024-03-28 | PRAIRIE OPERATING - ELDER PAD | Fail | State |
| 2024-03-21 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | N/A | State |
| 2024-03-21 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | N/A | State |
| 2024-03-21 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | N/A | State |
| 2024-03-20 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | Pass | State |
| 2024-03-20 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | Fail | State |
| 2024-03-19 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | Pass | State |
| 2024-03-14 | PRAIRIE OPERATING CO - GARNET 21-K PAD | Pass | State |
| 2024-03-13 | PRAIRIE OPERATING CO - RUBY 7J PF | Pass | State |
| 2024-03-13 | PRAIRIE OPERATING CO - RUBY 7J PF | Pass | State |
| 2024-03-12 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | Pass | State |
| 2024-03-12 | PRAIRIE OPERATING CO - TOPAZ TANK BATT | Pass | State |
| 2024-03-12 | PRAIRIE OPERATING CO - TOPAZ TANK BATT | Pass | State |
| 2024-03-07 | WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file | Fail | State |
| 2024-03-06 | SOUTHERN STAR CENTRAL GAS PIPELINE CHEYE | Pass | State |
| 2024-03-06 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | Pass | State |
| 2024-03-06 | DUNAMIS ENERGY - CALGARY STREETS PAD | Pass | State |
| 2024-03-05 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | Pass | State |
| 2024-03-05 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | Pass | State |
| 2024-03-05 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | Pass | State |
| 2024-03-04 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | N/A | State |
| 2024-02-29 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | Pass | State |
| 2024-02-28 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | Pass | State |
| 2024-02-28 | ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S. | Pass | State |
| 2024-02-27 | ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S. | Pass | State |
| 2024-02-26 | WES WATTENBURG - CENTRAL OIL STABIL | N/A | State |
| 2024-02-26 | ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S. | Pass | State |
| 2024-02-26 | ROCKY MOUNTAIN MIDSTREAM - LOCHBUIE C.S. | Pass | State |
| 2024-02-22 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | Pass | State |
| 2024-02-21 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | Pass | State |
| 2024-02-08 | NOBLE ENERGY - LD01 & LD12 ECONODE GEN I | N/A | State |
| 2024-02-05 | NOBLE ENERGY - FOOSE T6N-R64W-S18 L01 | Pass | State |
| 2024-02-01 | ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS | Fail | State |
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Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.