EPA Air · stack tests by state, industry and year
Utilities (NAICS 2211): stack tests in Colorado, 2021
- 28Stack 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 2021 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, 2021
- Oil and gas extraction (NAICS 2111) 281
- Pipeline transportation (NAICS 4862) 24
- Nonmetallic mineral product manufacturing (NAICS 3273) 18
- Petroleum and coal products manufacturing (NAICS 3241) 16
- Nonmetallic mineral product manufacturing (NAICS 3274) 8
- Beverage and tobacco manufacturing (NAICS 3121) 6
- Waste management and remediation (NAICS 5622) 5
- Nonmetallic mineral product manufacturing (NAICS 3271) 4
Air-emissions stack tests recorded in Colorado, 2021
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2021-12-23 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2021-12-07 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2021-10-25 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-10-25 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-10-25 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-10-25 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-10-13 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | Pass | State |
| 2021-06-23 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2021-06-15 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2021-06-09 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2021-06-02 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | Pass | State |
| 2021-05-27 | PUBLIC SERVICE CO - FORT SAINT VRAIN PLT | MILLIKEN AREA, Weld, CO | Pass | State |
| 2021-05-19 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2021-05-19 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2021-05-18 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2021-05-18 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2021-05-12 | PUBLIC SERVICE CO - PAWNEE PLT — high-priority violation on file | BRUSH 2.6 MI. N OF, Morgan, CO | Pass | State |
| 2021-05-06 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-05-05 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-05-04 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-05-03 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2021-04-13 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2021-03-01 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2021-02-19 | PUBLIC SERV - ROCKY MOUNTAIN ENERGY | HUDSON AREA, Weld, CO | Pass | State |
| 2021-02-17 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2021-02-16 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2021-01-19 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2021-01-14 | PUBLIC SERVICE CO - DENVER STEAM PLT | DENVER, Denver, 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.