EPA Air · stack tests by state and year
Air-emissions stack tests in Colorado, 2017
- 361Stack tests
A stack test measures what a source actually emits, at the stack, against the limit in its permit. Every stack test below was recorded against a source in Colorado during 2017; one facility can appear more than once, because this is a record of what happened rather than a list of places.
Counties in Colorado, 2017
- Weld County 103
- Garfield County 97
- La Plata County 22
- Pueblo County 21
- Moffat County 19
- Rio Blanco County 15
- Jefferson County 13
- Adams County 12
- Routt County 8
- Larimer County 8
- El Paso County 6
- Teller County 6
- Mesa County 6
- Morgan County 6
- Fremont County 5
- Boulder County 4
Colorado, other years
Air-emissions stack tests recorded in Colorado, 2017
| Date | Facility | Where | Kind | Agency |
|---|---|---|---|---|
| 2017-10-04 | GRAND RIVER GATH - EAST MAMM CREEK CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-10-04 | GRAND RIVER GATH - EAST MAMM CREEK CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-10-04 | GRAND RIVER GATH - EAST MAMM CREEK CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-10-04 | GRAND RIVER GATH - EAST MAMM CREEK CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-10-04 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2017-10-04 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2017-10-04 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2017-10-03 | GRAND RIVER GATHERING - PUMBA CS | RIFLE 3.4 MI. S OF, Garfield, CO | Pass | State |
| 2017-10-03 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2017-10-03 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2017-10-03 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2017-10-03 | NOBLE - LD19-16 ECONODE T9N-R58W-S19 L01 | RAYMER (NEW RAYMER), Weld, CO | Pass | State |
| 2017-10-03 | NOBLE - LD19-16 ECONODE T9N-R58W-S19 L01 | RAYMER (NEW RAYMER), Weld, CO | Pass | State |
| 2017-10-02 | PLAINS END, LLC | ARVADA, Jefferson, CO | Pass | State |
| 2017-09-26 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-09-25 | BONANZA CRK STATE NORTH PLATTE CPF 42-26 | KERSEY 7.1 MI. N OF, Weld, CO | N/A | State |
| 2017-09-22 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2017-09-22 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Pass | State |
| 2017-09-21 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-09-21 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-09-20 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-09-20 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-09-20 | COORSTEK, INC. - CENTER FOR ADVANCED MAT | GOLDEN, Jefferson, CO | N/A | State |
| 2017-09-20 | SOUTHERN STAR CENTRAL GAS PIPELINE CHEYE | NUNN 18.4 MI. N OF, Weld, CO | Pass | State |
| 2017-09-20 | SOUTHERN STAR CENTRAL GAS PIPELINE -YUMA | YUMA 5.9 MI. N OF, Yuma, CO | Pass | State |
| 2017-09-19 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-09-19 | BARGATH LLC - COTTONWOOD POINT CS | RIFLE AREA, Garfield, CO | Pass | State |
| 2017-09-19 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-09-19 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2017-09-14 | AVAGO TECHNOLOGIES WIRELESS (USA) MANUF. | FORT COLLINS, Larimer, CO | Pass | State |
| 2017-09-13 | AVAGO TECHNOLOGIES WIRELESS (USA) MANUF. | FORT COLLINS, Larimer, CO | Pass | State |
| 2017-09-12 | AVAGO TECHNOLOGIES WIRELESS (USA) MANUF. | FORT COLLINS, Larimer, CO | Pass | State |
| 2017-09-12 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | N/A | State |
| 2017-09-12 | PLATTE RIVER POWER AUTHORITY - RAWHIDE | WELLINGTON 9.3 MI. N OF, Larimer, CO | Pass | State |
| 2017-09-12 | DENVER REGIONAL/FRONT RANGE LANDFILL — high-priority violation on file | ERIE AREA, Weld, CO | Pass | State |
| 2017-09-08 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-09-08 | BIOCHAR NOW, LLC - BERTHOUD PLANT | BERTHOUD, Weld, CO | Fail | State |
| 2017-09-07 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-09-06 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-09-05 | RED CEDAR GATHERING COMPANY - ARKANSAS LOOP AND SIMPSON TREATING PLANTS | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2017-08-31 | RED CEDAR GATHERING COMPANY - SAMBRITO COMPRESSOR STATION | SOUTHERN UTE RESERVATION, La Plata, CO | Pass | State |
| 2017-08-31 | HARVEST FOUR CORNERS, LLC - IGNACIO GAS PLANT | DURANGO, La Plata, CO | Pass | State |
| 2017-08-30 | PUBLIC SERVICE CO - COMANCHE PLT — high-priority violation on file | PUEBLO, Pueblo, CO | N/A | State |
| 2017-08-29 | BLANCA FORESTRY PRODUCTS- BLANCA SAWMILL | BLANCA AREA, Costilla, CO | N/A | State |
| 2017-08-29 | COLORADO SPRINGS UTILITIES - NIXON PLT | FOUNTAIN AREA, El Paso, CO | Pass | State |
| 2017-08-29 | PUBLIC SERVICE CO - COMANCHE PLT — high-priority violation on file | PUEBLO, Pueblo, CO | N/A | State |
| 2017-08-25 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-25 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-25 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-25 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-24 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-24 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-23 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-23 | LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file | PARACHUTE 10.1 MI. W OF, Garfield, CO | Pass | State |
| 2017-08-23 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Fail | State |
| 2017-08-22 | DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file | KEENESBURG 5.2 MI. N OF, Weld, CO | Fail | State |
| 2017-08-17 | BARGATH LLC - HEATH CS | RIFLE 2.1 MI. SW OF, Garfield, CO | Pass | State |
| 2017-08-16 | BARGATH LLC - HEATH CS | RIFLE 2.1 MI. SW OF, Garfield, CO | Pass | State |
| 2017-08-16 | BARGATH LLC - HEATH CS | RIFLE 2.1 MI. SW OF, Garfield, CO | Pass | State |
| 2017-08-16 | BARGATH LLC - HEATH CS | RIFLE 2.1 MI. SW OF, Garfield, CO | Pass | State |
| 2017-08-16 | BARGATH LLC - HEATH CS | RIFLE 2.1 MI. SW OF, Garfield, CO | Pass | State |
| 2017-08-15 | PUBLIC SERVICE CO - PAWNEE PLT — high-priority violation on file | BRUSH 2.6 MI. N OF, Morgan, CO | Pass | State |
| 2017-08-15 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2017-08-15 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2017-08-15 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2017-08-15 | DCP OPERATING CO - MEWBOURN — high-priority violation on file | GILCREST 2.4 MI. N OF, Weld, CO | Pass | State |
| 2017-08-10 | CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file | LYONS AREA, Boulder, CO | Pass | State |
| 2017-08-10 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2017-08-10 | HIGHPOINT - ANSCHUTZ STATE 5-62-35_36 | KERSEY 12.3 MI. E OF, Weld, CO | Pass | State |
| 2017-08-09 | ENTERPRISE PRODUCTS OP- JACKRABBIT CS | PARACHUTE 9.5 MI. NW OF, Garfield, CO | Pass | State |
| 2017-08-09 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2017-08-07 | PUBLIC SERVICE CO - HAYDEN PLT | HAYDEN, Routt, CO | Pass | State |
| 2017-08-01 | OLDCASTLE SW GROUP - MONTGOMERY PIT | EAGLE, Eagle, CO | Pass | State |
| 2017-07-26 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | GOLDEN AREA, Jefferson, CO | N/A | State |
| 2017-07-25 | WES DJ GATHERING - FREDERICK CS — high-priority violation on file | DACONO AREA, Weld, CO | Pass | State |
| 2017-07-25 | MARTIN MARIETTA -ASPHALT PAVING MATERIAL | GREELEY AREA, Weld, CO | Pass | State |
| 2017-07-18 | PUBLIC SERVICE CO - CHEROKEE PLT | COMMERCE CITY AREA, Adams, CO | Pass | State |
| 2017-07-13 | NUSTAR LOGISTICS - CO SPRINGS TERMINAL | COLORADO SPRINGS, El Paso, CO | Pass | State |
| 2017-07-12 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2017-07-12 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2017-07-12 | ET CRUDE TERMINALS - PLATTEVILLE STATION | HUDSON 5.8 MI. N OF, Weld, CO | Pass | State |
| 2017-07-12 | ET CRUDE TERMINALS - PLATTEVILLE STATION | HUDSON 5.8 MI. N OF, Weld, CO | Pass | State |
| 2017-07-12 | RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION | LA PLATA COUNTY, La Plata, CO | Pass | State |
| 2017-07-11 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2017-07-11 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2017-07-11 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2017-07-11 | BLACK HILLS ELECTRIC GENERATION - PAGS | PUEBLO, Pueblo, CO | Pass | State |
| 2017-07-10 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2017-07-10 | QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file | PARACHUTE 13.8 MI. N OF, Garfield, CO | Pass | State |
| 2017-06-28 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Pass | State |
| 2017-06-28 | AMRIZE PORTLAND PLANT — high-priority violation on file | FLORENCE 3.8 MI. E OF, Fremont, CO | Pass | State |
| 2017-06-28 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-06-27 | GRAND RIVER GATHERING - HUNTER MESA CS | RIFLE 3.3 MI. SE OF, Garfield, CO | Pass | State |
| 2017-06-27 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-06-27 | NOBLE ENERGY - LD22-A ECONODE T9N-R58W-S | RAYMER 8.0 MI. N OF, Weld, CO | Pass | State |
| 2017-06-26 | TRI STATE GENERATION & TRANS - CRAIG | CRAIG 2.9 MI. SW OF, Moffat, CO | Pass | State |
| 2017-06-20 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2017-06-20 | SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file | COMMERCE CITY, Adams, CO | Pass | State |
| 2017-06-20 | MOLSON COORS USA LLC - GOLDEN BREWERY — high-priority violation on file | GOLDEN AREA, Jefferson, CO | Fail | State |
| 2017-06-15 | CITATION OIL - MOUNT PEARL FACILITY | KIT CARSON 7.7 MI. N OF, Cheyenne, CO | Pass | State |
Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.