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.

What this page shows

This page covers Clean Air Act facilities in the EPA air register with stack tests in CO for 2019. It lists 431 stack tests recorded in 2019.