EPA Air · stack tests by state, industry and year

Oil and gas extraction (NAICS 2111): stack tests in Colorado, 2026

110Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row is one stack test recorded during 2026 at a Colorado source whose primary industry code is NAICS 2111. A facility filing more than one industry code is counted under the first one on its record.

Oil and gas extraction (NAICS 2111) in Colorado, other years

Other industries in Colorado, 2026

Air-emissions stack tests recorded in Colorado, 2026

Date	Facility	Where	Kind	Agency
2026-09-08	BONANZA CRK STATE NORTH PLATTE CPF 42-26	KERSEY 7.1 MI. N OF, Weld, CO	Pending	State
2026-09-02	DCP OPERATING CO - CROSSROADS FACILITY	KERSEY 5.0 MI. N OF, Weld, CO	Pending	State
2026-08-11	BONANZA CREEK ENERGY - ANTELOPE SECTION	KERSEY 9.2 MI. E OF, Weld, CO	Pass	State
2026-07-22	NYDIG DFM - SURPRISE S4 FACILITY	WALDEN AREA, Jackson, CO	N/A	State
2026-07-22	ENTERPRISE GAS PROC - MEEKER GAS PLANT — high-priority violation on file	MEEKER 21.1 MI. W OF, Rio Blanco, CO	Fail	State
2026-07-21	DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file	GREELEY AREA, Weld, CO	N/A	State
2026-07-16	ENTERPRISE GAS PROC - MEEKER GAS PLANT — high-priority violation on file	MEEKER 21.1 MI. W OF, Rio Blanco, CO	N/A	State
2026-07-14	DCP OPERATING CO - O'CONNOR GAS PLANT	KERSEY AREA, Weld, CO	Pass	State
2026-07-10	EXTRACTION O&G - ALMA 1S-66-2524	DENVER, Adams, CO	Pass	State
2026-07-09	EXTRACTION O&G - ALMA 1S-66-2524	DENVER, Adams, CO	Pass	State
2026-07-08	BONANZA CREEK - ANTELOPE CPF 13-21	KERSEY 10.4 MI. E OF, Weld, CO	Pass	State
2026-07-07	BONANZA CREEK - ANTELOPE CPF 13-21	KERSEY 10.4 MI. E OF, Weld, CO	Pass	State
2026-07-07	BONANZA CREEK - ANTELOPE CPF 13-21	KERSEY 10.4 MI. E OF, Weld, CO	Pass	State
2026-06-26	ANSCHUTZ - WILEY 23-3-97-1	MEEKER 20.1 MI. NW OF, Rio Blanco, CO	Pass	State
2026-06-25	ROCKIES EXPRESS PIPELINE - BIG HOLE CS	CRAIG 30.5 MI. NW OF, Moffat, CO	Pass	State
2026-06-23	DCP OPERATING CO - ROCKY TURBINE CS	KERSEY 8.6 MI. NE OF, Weld, CO	Pass	State
2026-06-23	DCP OPERATING CO - ROCKY TURBINE CS	KERSEY 8.6 MI. NE OF, Weld, CO	Pass	State
2026-06-19	DCP OPERATING CO - O'CONNOR GAS PLANT	KERSEY AREA, Weld, CO	Pass	State
2026-06-17	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2026-06-17	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2026-06-16	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pass	State
2026-06-16	BARGATH LLC - PARACHUTE CREEK GAS PLANT	PARACHUTE 2.9 MI. NW OF, Garfield, CO	Pending	State
2026-06-16	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	KEENESBURG 5.2 MI. N OF, Weld, CO	Pass	State
2026-06-09	PDC ENERGY, INC - LAWERENCE 33 SEC HZ	EATON AREA, Weld, CO	Pass	State
2026-05-28	PDC ENERGY, INC. - GOLDEN EAGLE HZ	SEVERANCE AREA, Weld, CO	Pass	State
2026-05-26	HIGHPOINT - HAWKINS 5-61-21	WIGGINS 12.7 MI. NW OF, Weld, CO	N/A	State
2026-05-14	KT RESOURCES - WHITE RIVER DOME	MEEKER 14.5 MI. W OF, Rio Blanco, CO	Pass	State
2026-05-14	PDC ENERGY - BEEBE 3-34 PAD	GREELEY, Weld, CO	Pass	State
2026-05-13	KT RESOURCES - WHITE RIVER DOME	MEEKER 14.5 MI. W OF, Rio Blanco, CO	Pass	State
2026-05-13	HIGHPOINT OPERATING -CIRCLE B 5-61-27 CS	ORCHARD 4.0 MI. N OF, Weld, CO	Pass	State
2026-05-12	QB ENERGY OPERATING - O29 596 SWD	PARACHUTE 10.4 MI. NW OF, Garfield, CO	Pass	State
2026-05-12	LARAMIE ENERGY - HAWXHURST RANCH	COLLBRAN AREA, Mesa, CO	Pass	State
2026-05-11	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2026-05-11	QB ENERGY OPERATING - STORY GULCH C.S. — high-priority violation on file	PARACHUTE 13.8 MI. N OF, Garfield, CO	Pass	State
2026-04-27	PDC ENERGY - LEFFLER 8-21, DONN 1-21 PAD	GREELEY, Weld, CO	N/A	State
2026-04-24	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2026-04-23	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2026-04-23	UGC MIDSTREAM - FOUNDATION CREEK CS — high-priority violation on file	RANGELY 27.5 MI. S OF, Rio Blanco, CO	Pass	State
2026-04-23	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-22	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2026-04-22	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2026-04-22	HIGHPOINT - ANSCHUTZ EQUUS FARMS 4-62-28	ORCHARD 11.6 MI. N OF, Weld, CO	Pass	State
2026-04-22	HIGHPOINT - ANSCHUTZ EQUUS FARMS 4-62-28	ORCHARD 11.6 MI. N OF, Weld, CO	Pass	State
2026-04-21	CRESTONE PEAK - MUSTANG BOOSTER STATION — high-priority violation on file	AURORA, Adams, CO	Pass	State
2026-04-21	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2026-04-21	UTAH GAS - DRAGON TRAIL — high-priority violation on file	RANGELY 16.7 MI. S OF, Rio Blanco, CO	Pass	State
2026-04-21	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-21	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-21	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2026-04-21	PDC ENERGY, INC - LAWERENCE 33 SEC HZ	EATON AREA, Weld, CO	Pass	State
2026-04-21	PDC ENERGY, INC - LAWERENCE 33 SEC HZ	EATON AREA, Weld, CO	Pass	State
2026-04-20	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	DACONO AREA, Weld, CO	Pass	State
2026-04-20	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	KEENESBURG 5.2 MI. N OF, Weld, CO	Fail	State
2026-04-16	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2026-04-15	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2026-04-14	LARAMIE ENERGY - MVS COMPRESSOR STATION	COLLBRAN 10.8 MI. E OF, Mesa, CO	Pass	State
2026-04-14	DCP OPERATING CO - NORTHSTAR C.S.	EATON 3.4 MI. N OF, Weld, CO	Pass	State
2026-04-14	DCP OPERATING CO - NORTHSTAR C.S.	EATON 3.4 MI. N OF, Weld, CO	Pass	State
2026-04-10	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	KEENESBURG 5.2 MI. N OF, Weld, CO	Pass	State
2026-04-10	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	KEENESBURG 5.2 MI. N OF, Weld, CO	Pass	State
2026-04-09	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-04-09	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-04-09	NOBLE ENERGY - Y11 WASTE MANAGEMENT ECON	KEENESBURG, Weld, CO	Pass	State
2026-04-08	LARAMIE ENERGY - NICHOLS 24-06A PAD	COLLBRAN 6.6 MI. N OF, Mesa, CO	Pass	State
2026-04-08	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-04-08	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-08	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-08	WES DJ GATHERING - LATHAM GAS PLANT	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-07	LARAMIE ENERGY - BDU F01-199 PAD	RANGELY 15.8 MI. E OF, Rio Blanco, CO	Pass	State
2026-04-07	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-04-07	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-07	DCP OPERATING CO - MEWBOURN — high-priority violation on file	GILCREST 2.4 MI. N OF, Weld, CO	Pass	State
2026-04-07	EXTRACTION - TRIPLE CREEK PRODUCTION	GREELEY, Weld, CO	Pass	State
2026-04-06	CRESTONE PEAK - KING 3-65 28-29	AURORA, Adams, CO	Pass	State
2026-04-06	CRESTONE PEAK - KING 3-65 28-29	AURORA, Adams, CO	Pass	State
2026-04-06	CRESTONE PEAK - KING 3-65 28-29	AURORA, Adams, CO	Pass	State
2026-04-06	CRESTONE PEAK - KING 3-65 28-29	AURORA, Adams, CO	Pass	State
2026-04-06	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-04-03	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-03-26	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-03-25	EXTRACTION- MILKSHAKE 31-W / PAVISTMA-N	WINDSOR AREA, Weld, CO	Pass	State
2026-03-24	EXTRACTION - ICE MAN PRODUCTION FACILITY	SEVERANCE AREA, Weld, CO	Pass	State
2026-03-23	EXTRACTION OIL & GAS - FRYE NORTH	WINDSOR, Weld, CO	Pass	State
2026-03-23	EXTRACTION OIL & GAS - FRYE NORTH	WINDSOR, Weld, CO	Pass	State
2026-03-19	QB ENERGY OPERATING - MESA E1-797 PF	PARACHUTE 5.7 MI. N OF, Garfield, CO	N/A	State
2026-03-19	QB ENERGY OPERATING - F21OU PF	DEBEQUE 5.0 MI. E OF, Mesa, CO	N/A	State
2026-03-18	COVALENCE DJ, LLC - BIGFOOT 11	KERSEY AREA, Weld, CO	Fail	State
2026-03-17	QB ENERGY OPERATING - C17OU SWD	DEBEQUE 4.2 MI. E OF, Mesa, CO	N/A	State
2026-03-17	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	Pass	State
2026-03-17	EXTRACTION - ARDREY PRODUCTION FACILITY	EVANS AREA, Weld, CO	Pass	State
2026-03-17	EXTRACTION - ARDREY PRODUCTION FACILITY	EVANS AREA, Weld, CO	Pass	State
2026-03-16	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	FORT LUPTON, Weld, CO	N/A	State
2026-03-11	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	KERSEY AREA, Weld, CO	Pass	State
2026-03-11	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	KERSEY AREA, Weld, CO	Pass	State
2026-03-11	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	KERSEY AREA, Weld, CO	Pass	State
2026-03-10	BARGATH - RYAN GULCH COMPRESSOR STATION — high-priority violation on file	MEEKER 23.2 MI. W OF, Rio Blanco, CO	Pending	State
2026-03-10	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	KERSEY AREA, Weld, CO	Pass	State
2026-03-10	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	KERSEY AREA, Weld, CO	Pass	State
2026-03-09	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	KERSEY AREA, Weld, CO	Pass	State
2026-02-23	WES WATTENBURG - CENTRAL OIL STABIL	HUDSON 6.1 MI. N OF, Weld, CO	Pass	State

Primary NAICS code as filed on the facility record; dates as filed by the agency that recorded the stack test. Figures from EPA’s ICIS-AIR download.