EPA Air · stack tests by state and year

Air-emissions stack tests in Colorado, 2018

353Stack 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 2018; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Colorado, 2018

Colorado, other years

Air-emissions stack tests recorded in Colorado, 2018

Date	Facility	Where	Kind	Agency
2018-07-16	TRI STATE GENERATION & TRANS - CRAIG	CRAIG 2.9 MI. SW OF, Moffat, CO	Pass	State
2018-07-13	GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file	PUEBLO 4.5 MI. S OF, Pueblo, CO	Pass	State
2018-07-12	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-12	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-12	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-12	WEXPRO CO - E HIAWATHA/DEEP	DINOSAUR 55.9 MI. NE OF, Moffat, CO	Pass	State
2018-07-12	HIGHPOINT - ANSCHUTZ EQUUS FARMS 4-62-28	ORCHARD 11.6 MI. N OF, Weld, CO	Pass	State
2018-07-11	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-11	HIGHPOINT - ANSCHUTZ EQUUS FARMS 4-62-28	ORCHARD 11.6 MI. N OF, Weld, CO	Pass	State
2018-07-11	HIGHPOINT - ANSCHUTZ EQUUS FARMS 4-62-28	ORCHARD 11.6 MI. N OF, Weld, CO	Pass	State
2018-07-11	CHEYENNE PLAINS GAS- KIRK COMP STAT	KIRK AREA, Yuma, CO	Pass	State
2018-07-10	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-10	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-10	TRI STATE GENERATION & TRANS - CRAIG	CRAIG 2.9 MI. SW OF, Moffat, CO	Pass	State
2018-07-10	HIGHPOINT - PAPPENHEIM 6-62-23	KERSEY 14.2 MI. NE OF, Weld, CO	Pass	State
2018-07-09	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-09	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-07-09	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS	FORT LUPTON AREA, Weld, CO	Pass	State
2018-06-29	COLORADO SPRINGS UTILITIES - NIXON PLT	FOUNTAIN AREA, El Paso, CO	Pass	State
2018-06-28	OLDCASTLE SW GROUP - CAMILLETI/HAYDEN	HAYDEN AREA, Routt, CO	Pass	State
2018-06-26	HIGHPOINT - CVR 5-63-32 PAD	KERSEY 3.9 MI. E OF, Weld, CO	Pass	State
2018-06-25	TRI STATE GENERATION & TRANS - CRAIG	CRAIG 2.9 MI. SW OF, Moffat, CO	Pass	State
2018-06-23	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-06-22	GRAND RIVER GATHERING - PUMBA CS	RIFLE 3.4 MI. S OF, Garfield, CO	Pass	State
2018-06-21	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	N/A	State
2018-06-21	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	N/A	State
2018-06-21	STERLING ETHANOL	STERLING, Logan, CO	Pass	State
2018-06-21	NOBLE ENERGY-WELLS RANCH AE 30 ECONODE — high-priority violation on file	KERSEY 10.6 MI. NE OF, Weld, CO	Pass	State
2018-06-19	YUMA ETHANOL, LLC	YUMA AREA, Yuma, CO	Pass	State
2018-06-18	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-06-18	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-06-12	PUBLIC SERVICE CO - HAYDEN PLT	HAYDEN, Routt, CO	Pass	State
2018-06-07	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-06-06	BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file	MEEKER 23.2 MI. W OF, Rio Blanco, CO	Pass	State
2018-06-06	BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file	MEEKER 23.2 MI. W OF, Rio Blanco, CO	Pass	State
2018-06-06	BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file	MEEKER 23.2 MI. W OF, Rio Blanco, CO	Pass	State
2018-06-05	ROCKIES EXPRESS PIPELINE LLC - MEEKER	MEEKER 21.0 MI. N OF, Rio Blanco, CO	Pass	State
2018-06-05	ROCKIES EXPRESS PIPELINE LLC - MEEKER	MEEKER 21.0 MI. N OF, Rio Blanco, CO	Pass	State
2018-06-05	PUBLIC SERVICE CO - HAYDEN PLT	HAYDEN, Routt, CO	Pass	State
2018-06-05	RED CEDAR GATHERING COMPANY - SAMBRITO COMPRESSOR STATION	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-06-04	RED CEDAR GATHERING COMPANY - PONDEROSA COMPRESSOR STATION	DURANGO, La Plata, CO	Pass	State
2018-06-04	RED CEDAR GATHERING COMPANY - ARKANSAS LOOP AND SIMPSON TREATING PLANTS	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-05-25	BLACK HILLS ELECTRIC GENERATION - PAGS	PUEBLO, Pueblo, CO	Pass	State
2018-05-24	GARFIELD COUNTY LANDFILL	RIFLE 2.8 MI. W OF, Garfield, CO	Pass	State
2018-05-24	BLACK HILLS ELECTRIC GENERATION - PAGS	PUEBLO, Pueblo, CO	Pass	State
2018-05-24	BLACK HILLS ELECTRIC GENERATION - PAGS	PUEBLO, Pueblo, CO	Pass	State
2018-05-23	CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file	LYONS AREA, Boulder, CO	Pass	State
2018-05-23	BLACK HILLS ELECTRIC GENERATION - PAGS	PUEBLO, Pueblo, CO	Pass	State
2018-05-23	BLACK HILLS ELECTRIC GENERATION - PAGS	PUEBLO, Pueblo, CO	Pass	State
2018-05-22	CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file	LYONS AREA, Boulder, CO	Pass	State
2018-05-18	HILCORP ENERGY CO - WEST HIAWATHA C.S	DINOSAUR 53.7 MI. N OF, Moffat, CO	Pass	State
2018-05-17	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-05-17	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2018-05-16	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Fail	State
2018-05-16	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-05-15	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-05-10	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-05-09	PUBLIC SERVICE CO - PAWNEE PLT — high-priority violation on file	BRUSH 2.6 MI. N OF, Morgan, CO	Pass	State
2018-05-09	WES DJ GATHERING - HUDSON STATION — high-priority violation on file	HUDSON AREA, Weld, CO	Pass	State
2018-05-09	HARVEST FOUR CORNERS, LLC - IGNACIO GAS PLANT	DURANGO, La Plata, CO	Pass	State
2018-05-08	COLORADO INTERSTATE GAS CO - FORT MORGAN	FORT MORGAN 3.4 MI. S OF, Morgan, CO	Pass	State
2018-05-08	COLORADO INTERSTATE GAS CO - FORT MORGAN	FORT MORGAN 3.4 MI. S OF, Morgan, CO	Pass	State
2018-05-08	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-05-08	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-05-08	WES DJ GATHERING - HUDSON STATION — high-priority violation on file	HUDSON AREA, Weld, CO	Pass	State
2018-05-04	MOLSON COORS USA - GOLDEN FACILITY	GOLDEN, Jefferson, CO	Pass	State
2018-05-03	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-03	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-03	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-05-02	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-02	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-02	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-02	MOLSON COORS USA - GOLDEN FACILITY	GOLDEN, Jefferson, CO	Pass	State
2018-05-02	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-05-01	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-01	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-01	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-05-01	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-04-30	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-04-27	EVERGREEN NATURAL RESOURCES - WET CANYON	COKEDALE 12.8 MI. W OF, Las Animas, CO	Pass	State
2018-04-26	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	Pass	State
2018-04-26	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	Pass	State
2018-04-26	EVERGREEN NATURAL RESOURCES - WET CANYON	COKEDALE 12.8 MI. W OF, Las Animas, CO	Pass	State
2018-04-26	SUMMIT DJ-S - YENTER GAS PLANT	STERLING 8.8 MI. NW OF, Logan, CO	Pass	State
2018-04-26	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-04-25	EVERGREEN NATURAL RESOURCES - WET CANYON	COKEDALE 12.8 MI. W OF, Las Animas, CO	Pass	State
2018-04-25	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-04-24	TRANSCOLORADO GAS - DOLORES C.S.	DOLORES 12.9 MI. NE OF, Dolores, CO	Pass	State
2018-04-24	EVERGREEN NATURAL RESOURCES - WET CANYON	COKEDALE 12.8 MI. W OF, Las Animas, CO	Pass	State
2018-04-24	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-04-20	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-04-19	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-04-19	CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file	PUEBLO AREA, Pueblo, CO	Pass	State
2018-04-19	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-04-19	RED CEDAR GATHERING COMPANY - SPRING CREEK COMPRESSOR STATION	IGNACIO, La Plata, CO	Pass	State
2018-04-18	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-04-18	EXTRACTION - MATRIX 29-0 TANK BATTERY	GREELEY AREA, Weld, CO	Pass	State
2018-04-18	RED CEDAR GATHERING COMPANY - TRAIL CANYON COMPRESSOR STATION	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-04-17	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-04-17	CF & I STEEL L.P. DBA EVRAZ ROCKY MTN ST — high-priority violation on file	PUEBLO AREA, Pueblo, CO	Pass	State

Dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.