EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Colorado, 2024
- 36Stack 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 2024 at a Colorado source whose primary industry code is NAICS 2211. A facility filing more than one industry code is counted under the first one on its record.
Utilities (NAICS 2211) in Colorado, other years
Other industries in Colorado, 2024
- Oil and gas extraction (NAICS 2111) 261
- Fabricated metal product manufacturing (NAICS 3324) 18
- Nonmetallic mineral product manufacturing (NAICS 3273) 15
- Pipeline transportation (NAICS 4862) 12
- Nonmetallic mineral product manufacturing (NAICS 3271) 11
- Petroleum and coal products manufacturing (NAICS 3241) 9
- Waste management and remediation (NAICS 5622) 7
- Nonmetallic mineral product manufacturing (NAICS 3272) 6
- Primary metal manufacturing (NAICS 3311) 4
- Data processing and hosting (NAICS 5182) 4
- Beverage and tobacco manufacturing (NAICS 3121) 3
Air-emissions stack tests recorded in Colorado, 2024
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2024-12-12 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2024-12-03 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2024-10-24 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | Pass | State |
| 2024-10-24 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-10-23 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-10-22 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-10-21 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-08-08 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2024-08-07 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2024-07-23 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2024-06-27 | PUBLIC SERVICE CO - COMANCHE PLT — high-priority violation on file | PUEBLO, Pueblo, CO | Pending | State |
| 2024-06-27 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2024-06-21 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2024-06-20 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2024-06-17 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2024-06-15 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2024-06-13 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | Pass | State |
| 2024-06-05 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2024-06-03 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2024-06-03 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2024-05-21 | PUBLIC SERVICE CO - PAWNEE PLT — high-priority violation on file | BRUSH 2.6 MI. N OF, Morgan, CO | Pass | State |
| 2024-05-02 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-05-01 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-04-30 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-04-29 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2024-04-11 | PUBLIC SERVICE CO - CHEROKEE PLT | COMMERCE CITY AREA, Adams, CO | Pass | State |
| 2024-04-09 | PUBLIC SERVICE CO - CHEROKEE PLT | COMMERCE CITY AREA, Adams, CO | Pass | State |
| 2024-04-04 | PUBLIC SERVICE CO - CHEROKEE PLT | COMMERCE CITY AREA, Adams, CO | Pass | State |
| 2024-03-25 | PUBLIC SERVICE CO - DENVER STEAM PLT | DENVER, Denver, CO | Pass | State |
| 2024-02-29 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | MILLIKEN AREA, Weld, CO | Pass | State |
| 2024-02-28 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | MILLIKEN AREA, Weld, CO | Pass | State |
| 2024-02-22 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | MILLIKEN AREA, Weld, CO | Pass | State |
| 2024-02-21 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | MILLIKEN AREA, Weld, CO | Pass | State |
| 2024-02-06 | PUBLIC SERVICE CO - DENVER STEAM PLT | DENVER, Denver, CO | N/A | State |
| 2024-01-18 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2024-01-18 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
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.