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
2018-12-31	BARGATH - RABBIT BRUSH C.S.	PARACHUTE AREA, Garfield, CO	Pass	State
2018-12-23	CHEVRON USA INC - PICEANCE BASIN CENTRAL	PARACHUTE 16.6 MI. NW OF, Garfield, CO	Pass	State
2018-12-21	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-12-21	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-12-20	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-12-19	PLATTE RIVER POWER AUTHORITY - RAWHIDE	WELLINGTON 9.3 MI. N OF, Larimer, CO	Pass	State
2018-12-19	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-12-19	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-12-18	SUMMIT DJ-S - JACKSON LAKE GAS PLANT — high-priority violation on file	WELDONA, Morgan, CO	Pass	State
2018-12-18	BONANZA CREEK - ANTELOPE CPF 13-21	KERSEY 10.4 MI. E OF, Weld, CO	Pass	State
2018-12-18	BONANZA CREEK - ANTELOPE CPF 13-21	KERSEY 10.4 MI. E OF, Weld, CO	Pass	State
2018-12-14	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-12-13	FULCRUM ENERGY - GREGORY 0780 S9 PAD	WALDEN 11.2 MI. N OF, Jackson, CO	Pass	State
2018-12-13	GCC ENERGY - KING COAL MINE II & III	HESPERUS, La Plata, CO	Pass	State
2018-12-12	CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file	LYONS AREA, Boulder, CO	Pass	State
2018-12-11	GRAND RIVER GATHERING - PUMBA CS	RIFLE 3.4 MI. S OF, Garfield, CO	Pass	State
2018-12-07	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2018-12-07	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2018-12-07	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2018-12-07	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2018-12-06	PUBLIC SERVICE CO - HAYDEN PLT	HAYDEN, Routt, CO	Pass	State
2018-12-06	ARKOMA OPERATIONS, LLC - IGNACIO GAS TREATING PLANT	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-12-05	PUBLIC SERVICE CO - HAYDEN PLT	HAYDEN, Routt, CO	Pass	State
2018-12-05	ARC COLORADO, INC	FIRESTONE, Weld, CO	Pass	State
2018-12-05	WES WATTENBURG - CENTRAL OIL STABIL	HUDSON 6.1 MI. N OF, Weld, CO	Pass	State
2018-12-05	SIMCOE - FOUR QUEENS CENTRAL DELIVERY POINT	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-12-04	ARC COLORADO, INC	FIRESTONE, Weld, CO	Pass	State
2018-12-04	EXTRACTION - JESSER 3-I PROD FACILIT	JOHNSTOWN AREA, Weld, CO	Pass	State
2018-12-03	HILCORP ENERGY PARTNER - UTE COMPRESSOR STATION	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	U.S. EPA
2018-11-30	RED CEDAR GATHERING COMPANY - SOUTH IGNACIO CENTRAL DEL	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-30	RED CEDAR GATHERING COMPANY - SOUTH IGNACIO CENTRAL DEL	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-29	ENTERPRISE PRODUCTS OP- JACKRABBIT CS	PARACHUTE 9.5 MI. NW OF, Garfield, CO	Pass	State
2018-11-29	HIGHPOINT - HAWKINS 5-61-21	WIGGINS 12.7 MI. NW OF, Weld, CO	Pass	State
2018-11-28	COLORADO INTERSTATE GAS CO - LATIGO C.S.	DEER TRAIL 6.4 MI. W OF, Arapahoe, CO	Pass	State
2018-11-28	HIGHPOINT - HAWKINS 5-61-21	WIGGINS 12.7 MI. NW OF, Weld, CO	Pass	State
2018-11-28	NOBLE ENERGY - LD02 ECONODE GEN 1 HYBRID	RAYMER (NEW RAYMER) 11.1 MI. N, Weld, CO	Pass	State
2018-11-27	COLORADO INTERSTATE GAS CO - LATIGO C.S.	DEER TRAIL 6.4 MI. W OF, Arapahoe, CO	Pass	State
2018-11-26	HIGHPOINT - CVR 5-63-32 PAD	KERSEY 3.9 MI. E OF, Weld, CO	Pass	State
2018-11-21	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-11-20	WESTERN SUGAR CO - FORT MORGAN FACTORY	FORT MORGAN AREA, Morgan, CO	Pass	State
2018-11-20	SIMCOE - IRON HORSE CENTRAL DELIVERY POINT	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-20	RED CEDAR GATHERING COMPANY - ARKANSAS LOOP AND SIMPSON TREATING PLANTS	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-19	SIMCOE - IRON HORSE CENTRAL DELIVERY POINT	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-19	RED CEDAR GATHERING COMPANY - SOUTH IGNACIO CENTRAL DEL	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-19	RED CEDAR GATHERING COMPANY - MIDWAY COMPRESSOR STATION	IGNACIO, La Plata, CO	Pass	State
2018-11-16	AVAGO TECHNOLOGIES WIRELESS (USA) MANUF.	FORT COLLINS, Larimer, CO	Pass	State
2018-11-15	AVAGO TECHNOLOGIES WIRELESS (USA) MANUF.	FORT COLLINS, Larimer, CO	Fail	State
2018-11-15	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2018-11-14	RED CEDAR GATHERING COMPANY - PONDEROSA COMPRESSOR STATION	DURANGO, La Plata, CO	Pass	State
2018-11-12	LEPRINO FOODS COMPANY - GREELEY PLANT	GREELEY, Weld, CO	Fail	State
2018-11-08	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-11-08	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-11-08	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-11-08	RED CEDAR GATHERING COMPANY - SAMBRITO COMPRESSOR STATION	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-08	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-11-08	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Fail	State
2018-11-08	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-11-07	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-11-07	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-11-07	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-11-07	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-11-06	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-11-06	GRAND RIVER GATHERING, LLC- HIGH MESA CS	PARACHUTE 2.5 MI. S OF, Garfield, CO	Pass	State
2018-11-06	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-11-06	BONANZA CREEK - STATE PRONGHORN CPF 41-3	WIGGINS 11.6 MI. NW OF, Weld, CO	Pass	State
2018-11-01	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-11-01	RED CEDAR GATHERING COMPANY - TRAIL CANYON COMPRESSOR STATION	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-11-01	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2018-11-01	SIMCOE - SALVADOR I / II CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	U.S. EPA
2018-11-01	RED CEDAR GATHERING COMPANY - SPRING CREEK COMPRESSOR STATION	IGNACIO, La Plata, CO	Pass	State
2018-10-31	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-10-30	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-10-29	TRI STATE GENERATION & TRANS - CRAIG	CRAIG 2.9 MI. SW OF, Moffat, CO	Pass	State
2018-10-26	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	Pass	State
2018-10-26	WES DJ GATHERING - HUDSON STATION — high-priority violation on file	HUDSON AREA, Weld, CO	Pass	State
2018-10-25	CHEVRON USA INC - PICEANCE BASIN CENTRAL	PARACHUTE 16.6 MI. NW OF, Garfield, CO	Pass	State
2018-10-25	CHEVRON USA INC - PICEANCE BASIN CENTRAL	PARACHUTE 16.6 MI. NW OF, Garfield, CO	Pass	State
2018-10-25	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-10-25	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-10-25	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-10-25	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-10-25	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-10-25	RED CEDAR GATHERING COMPANY - JAQUES COMPRESSOR STATION	LA PLATA COUNTY, La Plata, CO	Pass	State
2018-10-24	SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file	COMMERCE CITY, Adams, CO	N/A	State
2018-10-24	UNIV OF COLO BOULDER - CAMPUS — high-priority violation on file	BOULDER, Boulder, CO	Pass	State
2018-10-24	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	Pass	State
2018-10-24	CHEVRON USA INC - PICEANCE BASIN CENTRAL	PARACHUTE 16.6 MI. NW OF, Garfield, CO	Pass	State
2018-10-24	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-10-24	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-10-24	DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file	GREELEY AREA, Weld, CO	Pass	State
2018-10-23	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-23	DCP OPERATING CO - GREELEY NATURAL GAS P	EVANS AREA, Weld, CO	Pass	State
2018-10-18	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	KEENESBURG 5.2 MI. N OF, Weld, CO	Pass	State

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