EPA Air · stack tests by state and year

Air-emissions stack tests in Colorado, 2019

431Stack 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 2019; one facility can appear more than once, because this is a record of what happened rather than a list of places.

Counties in Colorado, 2019

Colorado, other years

Air-emissions stack tests recorded in Colorado, 2019

Date	Facility	Where	Kind	Agency
2019-12-21	PUBLIC SERVICE CO - HAYDEN PLT	HAYDEN, Routt, CO	Pass	State
2019-12-20	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-12-20	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-12-19	FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17	WALDEN 11.6 MI. N OF, Jackson, CO	Pass	State
2019-12-19	BONANZA CREEK - STATE ANTELOPE CPF O-1	KERSEY 14.0 MI. E OF, Weld, CO	Pass	State
2019-12-19	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-12-19	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-12-19	EXTRACTION O&G - JOHNSON'S CORNER	JOHNSTOWN, Weld, CO	Pass	State
2019-12-18	FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17	WALDEN 11.6 MI. N OF, Jackson, CO	Pass	State
2019-12-18	BONANZA CRK ENERGY - NORTH PLATTE 24-34	KERSEY 6.1 MI. N OF, Weld, CO	Pass	State
2019-12-18	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-12-18	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-12-16	FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17	WALDEN 11.6 MI. N OF, Jackson, CO	Pass	State
2019-12-16	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	KERSEY, Weld, CO	Pass	State
2019-12-13	CURETON FRONT RANGE - FRONT RANGE GAS P	HUDSON AREA, Weld, CO	Pass	State
2019-12-12	FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17	WALDEN 11.6 MI. N OF, Jackson, CO	Pass	State
2019-12-12	FULCRUM ENERGY - BIGHORN-MUTUAL 0780 S17	WALDEN 11.6 MI. N OF, Jackson, CO	Pass	State
2019-12-12	CURETON FRONT RANGE - FRONT RANGE GAS P	HUDSON AREA, Weld, CO	Pass	State
2019-12-12	CURETON FRONT RANGE - FRONT RANGE GAS P	HUDSON AREA, Weld, CO	Pass	State
2019-12-11	PUBLIC SERVICE CO - HAYDEN PLT	HAYDEN, Routt, CO	Pass	State
2019-12-09	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2019-12-09	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	N/A	State
2019-12-09	SIMCOE - TREATING SITE #8 CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	State
2019-12-05	EXTRACTION O&G - JOHNSON'S CORNER	JOHNSTOWN, Weld, CO	Pass	State
2019-12-05	EXTRACTION O&G - JOHNSON'S CORNER	JOHNSTOWN, Weld, CO	Pass	State
2019-12-05	REP PROCESSING - SEVERANCE COMP STATION	AULT AREA, Weld, CO	Pass	State
2019-12-05	REP PROCESSING - SEVERANCE COMP STATION	AULT AREA, Weld, CO	Pass	State
2019-12-04	EXTRACTION - RINN VALLEY PROD. FACILITY	LONGMONT AREA, Weld, CO	Pass	State
2019-12-04	EXTRACTION - RINN VALLEY PROD. FACILITY	LONGMONT AREA, Weld, CO	Pass	State
2019-12-04	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2019-12-03	MID-AMERICA PIPELINE CO DOVE CR STA	DOVE CREEK 5.3 MI. NW OF, Dolores, CO	Pass	State
2019-12-03	REP PROCESSING - SEVERANCE COMP STATION	AULT AREA, Weld, CO	Pass	State
2019-12-03	REP PROCESSING - SEVERANCE COMP STATION	AULT AREA, Weld, CO	Pass	State
2019-12-02	REP PROCESSING - SEVERANCE COMP STATION	AULT AREA, Weld, CO	Pass	State
2019-12-02	REP PROCESSING - SEVERANCE COMP STATION	AULT AREA, Weld, CO	Pass	State
2019-11-22	BONANZA CREEK - ANTELOPE CPF 13-21	KERSEY 10.4 MI. E OF, Weld, CO	Pass	State
2019-11-22	RED CEDAR GATHERING COMPANY - SOUTH IGNACIO CENTRAL DEL	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2019-11-21	SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file	COMMERCE CITY, Adams, CO	Pass	State
2019-11-21	BONANZA CREEK - WETCO FARMS A-4 PAD	KERSEY 4.8 MI. N OF, Weld, CO	Pass	State
2019-11-21	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-11-21	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-11-21	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	TODD CREEK AREA, Weld, CO	Pass	State
2019-11-20	COLORADO INTERSTATE GAS CO - GREASEWOOD	MEEKER 16.5 MI. SW OF, Rio Blanco, CO	Pass	State
2019-11-20	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	LA SALLE 8.4 MI. N OF, Weld, CO	N/A	State
2019-11-20	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	LA SALLE 8.4 MI. N OF, Weld, CO	N/A	State
2019-11-19	ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S.	BRIGHTON 3.0 MI. E OF, Adams, CO	Pass	State
2019-11-19	ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S.	BRIGHTON 3.0 MI. E OF, Adams, CO	Pass	State
2019-11-19	ROCKY MOUNTAIN MIDSTREAM - POWHATON C.S.	BRIGHTON 3.0 MI. E OF, Adams, CO	Pass	State
2019-11-19	WYOMING INTERSTATE - SNAKE RIVER C.S.	CRAIG 37.2 MI. NW OF, Moffat, CO	Pass	State
2019-11-19	WYOMING INTERSTATE - SNAKE RIVER C.S.	CRAIG 37.2 MI. NW OF, Moffat, CO	Pass	State
2019-11-19	HIGHPOINT - 70 RANCH 4-63-3 PAD 2	KERSEY 6.0 MI. SE OF, Weld, CO	Pass	State
2019-11-19	HIGHPOINT - RSU ANSCHUTZ FED 4-62-11	ORCHARD 9.4 MI. N OF, Weld, CO	Pass	State
2019-11-18	BONANZA CRK STATE NORTH PLATTE CPF 42-26	KERSEY 7.1 MI. N OF, Weld, CO	Pass	State
2019-11-13	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS	FORT LUPTON AREA, Weld, CO	Pass	State
2019-11-13	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS	FORT LUPTON AREA, Weld, CO	Fail	State
2019-11-12	PUBLIC SERVICE CO - DENVER STEAM PLT	DENVER, Denver, CO	N/A	State
2019-11-12	HIGHPOINT - RSU ANSCHUTZ FED 4-62-11	ORCHARD 9.4 MI. N OF, Weld, CO	N/A	State
2019-11-11	DCP OPERATING CO - MILTON C.S.	LA SALLE 8.3 MI. N OF, Weld, CO	Pass	State
2019-11-11	DCP OPERATING CO - MILTON C.S.	LA SALLE 8.3 MI. N OF, Weld, CO	Pass	State
2019-11-07	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2019-11-06	COLORADO SPRINGS UTILITIES - NIXON PLT	FOUNTAIN AREA, El Paso, CO	Pass	State
2019-11-06	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2019-11-06	DCP OPERATING CO - O'CONNOR GAS PLANT	KERSEY AREA, Weld, CO	Pass	State
2019-11-06	DCP OPERATING CO - O'CONNOR GAS PLANT	KERSEY AREA, Weld, CO	Pass	State
2019-11-05	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2019-11-05	DCP OPERATING CO - O'CONNOR GAS PLANT	KERSEY AREA, Weld, CO	Pass	State
2019-11-04	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	GROVER 11.0 MI. NW OF, Weld, CO	Pass	State
2019-11-04	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	GROVER 11.0 MI. NW OF, Weld, CO	Pass	State
2019-11-04	HIGHPOINT - WETCO 4-63-4 SW PRODUCTION	KERSEY 5.2 MI. N OF, Weld, CO	Pass	State
2019-11-04	HIGHPOINT - WETCO 4-63-4 SW PRODUCTION	KERSEY 5.2 MI. N OF, Weld, CO	Pass	State
2019-11-01	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2019-11-01	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2019-11-01	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Fail	State
2019-11-01	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Fail	State
2019-11-01	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Fail	State
2019-10-31	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2019-10-31	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	N/A	State
2019-10-30	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2019-10-30	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2019-10-29	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2019-10-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2019-10-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2019-10-29	SIMCOE - IRON HORSE CENTRAL DELIVERY POINT	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2019-10-24	PHILLIPS 66 PIPELINE - DENVER TERMINAL	COMMERCE CITY, Adams, CO	Pass	State
2019-10-24	ROCKIES EXPRESS PIPELINE LLC - MEEKER	MEEKER 21.0 MI. N OF, Rio Blanco, CO	Pass	State
2019-10-24	ROCKIES EXPRESS PIPELINE LLC - MEEKER	MEEKER 21.0 MI. N OF, Rio Blanco, CO	Pass	State
2019-10-24	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2019-10-24	DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file	GREELEY AREA, Weld, CO	Pass	State
2019-10-24	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	GROVER 11.0 MI. NW OF, Weld, CO	Pass	State
2019-10-24	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	GROVER 8.8 MI. N OF, Weld, CO	Pass	State
2019-10-24	RED CEDAR GATHERING COMPANY - MIDWAY COMPRESSOR STATION	IGNACIO, La Plata, CO	Pass	State
2019-10-23	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2019-10-22	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2019-10-21	WME YATES LLC - AMHERST C.S.	HOLYOKE 13.4 MI. NE OF, Phillips, CO	Pass	State
2019-10-19	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2019-10-18	SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file	COMMERCE CITY, Adams, CO	Pass	State
2019-10-17	SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file	COMMERCE CITY, Adams, CO	N/A	State
2019-10-17	CRESTONE PEAK - BIG SANDY 3-65 36-31 1D	AURORA, Adams, CO	Pass	State
2019-10-17	NOBLE - WELLS RANCH STATE AF08 ECONODE	KERSEY, Weld, CO	Pass	State
2019-10-16	GRAND RIVER GATHERING - PUMBA CS	RIFLE 3.4 MI. S OF, Garfield, CO	Pass	State

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