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
2018-10-18	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	KEENESBURG 5.2 MI. N OF, Weld, CO	Pass	State
2018-10-17	COLORADO SPRINGS UTILITIES - NIXON PLT	FOUNTAIN AREA, El Paso, CO	Pass	State
2018-10-17	GRAND RIVER GATHERING - PUMBA CS	RIFLE 3.4 MI. S OF, Garfield, CO	Pass	State
2018-10-12	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2018-10-11	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2018-10-11	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-10-11	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-10-11	BONANZA CREEK ENERGY - ANTELOPE SECTION	KERSEY 9.2 MI. E OF, Weld, CO	N/A	State
2018-10-11	BONANZA CREEK ENERGY - ANTELOPE SECTION	KERSEY 9.2 MI. E OF, Weld, CO	Pass	State
2018-10-10	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2018-10-10	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	Pass	State
2018-10-10	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-10-10	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-10-10	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-10-09	GRAND RIVER GATHERING - HUNTER MESA CS	RIFLE 3.3 MI. SE OF, Garfield, CO	N/A	State
2018-10-09	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-10-09	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2018-10-08	PLAINS END, LLC	ARVADA, Jefferson, CO	Pass	State
2018-10-08	TRI STATE GENERATION & TRANS - CRAIG	CRAIG 2.9 MI. SW OF, Moffat, CO	Pass	State
2018-10-08	BONANZA CRK STATE NORTH PLATTE CPF 42-26	KERSEY 7.1 MI. N OF, Weld, CO	Pass	State
2018-10-05	DCP OPERATING CO - CROSSROADS FACILITY	KERSEY 5.0 MI. N OF, Weld, CO	Pass	State
2018-10-05	DCP OPERATING CO - CROSSROADS FACILITY	KERSEY 5.0 MI. N OF, Weld, CO	Pass	State
2018-10-04	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-10-04	BONANZA CREEK - PRONGHORN 24-7 BOOSTER	KERSEY 14.7 MI. E OF, Weld, CO	Pass	State
2018-10-04	BONANZA CREEK - PRONGHORN 24-7 BOOSTER	KERSEY 14.7 MI. E OF, Weld, CO	Pass	State
2018-10-03	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-10-03	ELAM CONST - PORTABLE ASPHALT PLANT	GRAND JUNCTION, Undetermined, CO	Fail	State
2018-10-03	ARKOMA OPERATIONS, LLC - IGNACIO GAS TREATING PLANT	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-10-02	GRAND RIVER GATH - EAST MAMM CREEK CS	RIFLE AREA, Garfield, CO	Pass	State
2018-10-02	BONANZA CRK ENERGY - NORTH PLATTE 24-34	KERSEY 6.1 MI. N OF, Weld, CO	Pass	State
2018-09-26	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2018-09-26	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2018-09-25	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2018-09-19	OLDCASTLE - PORT HOT MIX ASPHALT PLANT	GRAND JUNCTION, Undetermined, CO	Pass	State
2018-09-18	RED CEDAR GATHERING COMPANY - ARKANSAS LOOP AND SIMPSON TREATING PLANTS	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-09-14	HILCORP ENERGY CO - WEST HIAWATHA C.S	DINOSAUR 53.7 MI. N OF, Moffat, CO	Pass	State
2018-09-13	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2018-09-13	DCP OPERATING CO - GODFREY BOTTOM C.S.	EVANS AREA, Weld, CO	Pass	State
2018-09-13	DCP OPERATING CO - GODFREY BOTTOM C.S.	EVANS AREA, Weld, CO	Pass	State
2018-09-12	MICROCHIP TECHNOLOGY INCORPORATED	COLORADO SPRINGS, El Paso, CO	Pass	State
2018-09-12	PDC ENERGY - ORR STATE 40-36 PAD	GREELEY AREA, Weld, CO	N/A	State
2018-09-12	PDC ENERGY - ORR STATE 40-36 PAD	GREELEY AREA, Weld, CO	N/A	State
2018-09-11	SIMCOE - TREATING SITE #8 CENTRAL DELIVERY POINT	DURANGO, La Plata, CO	Pass	State
2018-09-10	SUMMIT DJ-S - YENTER GAS PLANT	STERLING 8.8 MI. NW OF, Logan, CO	Pass	State
2018-09-07	BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file	PARACHUTE 4.3 MI. S OF, Garfield, CO	Pass	State
2018-09-06	BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file	PARACHUTE 4.3 MI. S OF, Garfield, CO	Pass	State
2018-09-06	BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file	PARACHUTE 4.3 MI. S OF, Garfield, CO	Pass	State
2018-09-06	HIGHPOINT - ANSCHUTZ STATE 5-62-35_36 N	KERSEY 12.4 MI. E OF, Weld, CO	Pass	State
2018-09-06	BONANZA CREEK - STATE PRONGHORN CPF 41-3	WIGGINS 11.6 MI. NW OF, Weld, CO	Pass	State
2018-09-06	EXTRACTION - HESTER PRODUCTION	SEVERANCE AREA, Weld, CO	Pass	State
2018-09-05	BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file	PARACHUTE 4.3 MI. S OF, Garfield, CO	Pass	State
2018-09-05	BARGATH, LLC - HYRUP PROD FACILITY — high-priority violation on file	PARACHUTE 4.3 MI. S OF, Garfield, CO	Pass	State
2018-08-30	CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file	LYONS AREA, Boulder, CO	Pass	State
2018-08-29	CEMEX CONSTRUCTION MATERIALS - LYONS — high-priority violation on file	LYONS AREA, Boulder, CO	N/A	State
2018-08-28	KBP COIL COATERS INC - 3600 E 44TH AVE	DENVER, Denver, CO	Pass	State
2018-08-23	GRAND RIVER - RIFLE BOOSTER STATION	RIFLE AREA, Garfield, CO	Pass	State
2018-08-22	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-22	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-22	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-22	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-22	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-21	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-21	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-21	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-17	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-16	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-15	LARAMIE ENERGY - CONN CREEK GAS — high-priority violation on file	PARACHUTE 10.1 MI. W OF, Garfield, CO	Pass	State
2018-08-15	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	N/A	State
2018-08-15	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2018-08-15	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2018-08-14	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2018-08-14	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2018-08-14	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2018-08-09	ENTERPRISE PRODUCTS OP- JACKRABBIT CS	PARACHUTE 9.5 MI. NW OF, Garfield, CO	Pass	State
2018-08-09	ENTERPRISE PRODUCTS OP- JACKRABBIT CS	PARACHUTE 9.5 MI. NW OF, Garfield, CO	Pass	State
2018-08-09	WASTE CONNECTIONS - SOUTHSIDE LANDFILL	PUEBLO, Pueblo, CO	Pass	State
2018-08-08	ENTERPRISE PRODUCTS OP- JACKRABBIT CS	PARACHUTE 9.5 MI. NW OF, Garfield, CO	Pass	State
2018-08-08	ENTERPRISE PRODUCTS OP- JACKRABBIT CS	PARACHUTE 9.5 MI. NW OF, Garfield, CO	Pass	State
2018-08-08	ENTERPRISE PRODUCTS OP- JACKRABBIT CS	PARACHUTE 9.5 MI. NW OF, Garfield, CO	Pass	State
2018-08-08	ENTERPRISE PRODUCTS OP- JACKRABBIT CS	PARACHUTE 9.5 MI. NW OF, Garfield, CO	Pass	State
2018-08-08	EXTRACTION - HESTER PRODUCTION	SEVERANCE AREA, Weld, CO	Pass	State
2018-08-07	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-07	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-07	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-07	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-07	QB ENERGY OPERATING - MIDDLE FORK C.S. — high-priority violation on file	PARACHUTE 8.3 MI. N OF, Garfield, CO	Pass	State
2018-08-07	EXTRACTION - KODAK PRODUCTION FACILITY	WINDSOR, Weld, CO	Pass	State
2018-08-02	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-02	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-02	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-02	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2018-08-01	YUMA ETHANOL, LLC	YUMA AREA, Yuma, CO	Pass	State
2018-07-24	GREEN NATURAL GAS VENTURES - ANDY'S MESA — high-priority violation on file	NATURITA 12.1 MI. S OF, San Miguel, CO	Pass	State
2018-07-19	DENVER REGIONAL/FRONT RANGE LANDFILL — high-priority violation on file	ERIE AREA, Weld, CO	Pass	State
2018-07-19	ARKOMA OPERATIONS, LLC - IGNACIO GAS TREATING PLANT	SOUTHERN UTE RESERVATION, La Plata, CO	Pass	State
2018-07-18	SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file	COMMERCE CITY, Adams, CO	Fail	State
2018-07-18	SUNCOR ENERGY - DENVER REFINERY — high-priority violation on file	COMMERCE CITY, Adams, CO	Pass	State
2018-07-18	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	Fail	State
2018-07-18	AMRIZE PORTLAND PLANT — high-priority violation on file	FLORENCE 3.8 MI. E OF, Fremont, CO	Fail	State
2018-07-18	GCC RIO GRANDE - PUEBLO CEMENT PLANT — high-priority violation on file	PUEBLO 4.5 MI. S OF, Pueblo, CO	Pass	State

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