EPA Air · stack tests by state, industry and year
Oil and gas extraction (NAICS 2111): stack tests in Colorado, 2026
- 110Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Colorado source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.
Oil and gas extraction (NAICS 2111) in Colorado, other years
Other industries in Colorado, 2026
- Utilities (NAICS 2211) 21
- Nonmetallic mineral product manufacturing (NAICS 3273) 12
- National security and international affairs (NAICS 9281) 10
- Nonmetallic mineral product manufacturing (NAICS 3271) 7
- Nonmetallic mineral product manufacturing (NAICS 3274) 6
- Waste management and remediation (NAICS 5622) 3
Air-emissions stack tests recorded in Colorado, 2026
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2026-02-19 | PDC ENERGY, INC. - GOLDEN EAGLE HZ | SEVERANCE AREA, Weld, CO | N/A | State |
| 2026-02-18 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Fail | State |
| 2026-02-18 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | Fail | State |
| 2026-02-05 | WES DJ GAS PROC - WATTENBERG PLANT | AURORA, Adams, CO | Pass | State |
| 2026-01-28 | DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file | GREELEY AREA, Weld, CO | N/A | State |
| 2026-01-22 | PDC ENERGY - KODAK NORTH PAD 2&3 | WINDSOR AREA, Weld, CO | Pass | State |
| 2026-01-20 | PDC ENERGY, INC. - GOLDEN EAGLE HZ | SEVERANCE AREA, Weld, CO | N/A | State |
| 2026-01-07 | CRESTONE PEAK - ESTRN HILLS 4-65 17-18 S | AURORA, Arapahoe, CO | Pass | State |
| 2026-01-07 | CRESTONE PEAK - ESTRN HILLS 4-65 17-18 S | AURORA, Arapahoe, CO | Pass | State |
| 2026-01-07 | NOBLE ENERGY - NCLP AA06, AA07 MAHALO ST — high-priority violation on file | KERSEY 9.8 MI. NE OF, Weld, CO | Pass | State |
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Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.