EPA Air · stack tests by county and year

Air-emissions stack tests in Weld County, Colorado, 2021

160Stack tests

A stack test measures what a source actually emits, at the stack, against the limit in its permit. Each row below is one stack test recorded against a source in Weld County, Colorado during 2021. A facility can appear several times: this is the year’s record of what happened, not a list of places. The sources themselves are on the Weld County facility page.

Weld County, Colorado, 2021

Air-emissions stack tests in Weld County, other years

Air-emissions stack tests recorded in Weld County, Colorado, 2021

Date	Facility	Kind	Agency
2021-12-28	EXPEDITION WATER SOLUTIONS - EWS #13	Fail	State
2021-12-10	WES WATTENBURG - CENTRAL OIL STABIL	Pass	State
2021-12-09	BONANZA CREEK - ANTELOPE CPF 13-21	Pass	State
2021-12-07	DCP OPERATING CO - TROUDT C.S.	Pass	State
2021-11-19	DCP OPERATING CO - LIBSACK C.S.	Pass	State
2021-11-19	BIOCHAR NOW, LLC - BERTHOUD PLANT	Pass	State
2021-11-16	BONANZA CREEK - WETCO FARMS A-4 PAD	Pass	State
2021-11-16	BONANZA CREEK - WETCO FARMS A-4 PAD	Pass	State
2021-11-16	BONANZA CREEK - WETCO FARMS A-4 PAD	Pass	State
2021-11-09	HIGHPOINT - DUTCH LAKE 3-3H PAD	Pass	State
2021-11-03	SOUTHERN STAR CENTRAL GAS PIPELINE CHEYE	N/A	State
2021-11-03	SOUTHERN STAR CENTRAL GAS PIPELINE CHEYE	Pass	State
2021-11-03	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	N/A	State
2021-11-03	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	Pass	State
2021-10-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-10-28	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-10-28	BONANZA CRK ENERGY - NORTH PLATTE 24-34	Pass	State
2021-10-27	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-10-27	KERR MCGEE - MUSTANG 14-26 PROD FACIL	Pass	State
2021-10-27	KERR MCGEE - MUSTANG 14-26 PROD FACIL	Fail	State
2021-10-26	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-10-25	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-10-19	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-19	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-19	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-19	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-18	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-18	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-18	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-18	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2021-10-14	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-10-14	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-10-13	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-10-12	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-10-11	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-10-04	DCP OPERATING CO - O'CONNOR GAS PLANT	Pass	State
2021-10-04	DCP OPERATING CO - O'CONNOR GAS PLANT	Pass	State
2021-09-23	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	Pass	State
2021-09-23	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	Pass	State
2021-09-23	ASPHALT SPECIALTIES - ROAD 6 ASPHALT PLA	Pass	State
2021-09-22	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	Pass	State
2021-09-22	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	Pass	State
2021-09-14	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	Pass	State
2021-09-09	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-09-03	BONANZA CREEK - STATE NORTH PLATTE T-36	Fail	State
2021-09-02	BONANZA CREEK - STATE NORTH PLATTE T-36	Fail	State
2021-09-02	BONANZA CREEK - STATE NORTH PLATTE T-36	Fail	State
2021-09-02	BONANZA CREEK - STATE NORTH PLATTE T-36	Fail	State
2021-09-01	DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file	Pass	State
2021-08-25	DCP OPERATING CO - GODFREY BOTTOM C.S.	Pass	State
2021-08-25	DCP OPERATING CO - GODFREY BOTTOM C.S.	Pass	State
2021-08-24	DCP OPERATING CO - CROSSROADS FACILITY	Pass	State
2021-08-23	DCP OPERATING CO - ROCKY TURBINE CS	Pass	State
2021-08-23	DCP OPERATING CO - ROCKY TURBINE CS	Pass	State
2021-08-23	DCP OPERATING CO - CROSSROADS FACILITY	Pass	State
2021-08-19	KERR-MCGEE - MUSTANG 44-22 PRODUCTION	Fail	State
2021-08-17	KERR MCGEE - MUSTANG Y-34 PRODUCTION FAC	Pass	State
2021-08-16	BONANZA CREEK - LONGHORN U-10 PROD FAC	Fail	State
2021-08-11	NOBLE ENERGY - WELLS RANCH AA24, AA23, B	Pass	State
2021-08-10	BONANZA CREEK - ANTELOPE CPF 13-21	Pass	State
2021-07-30	WILLIAMS FRONT RANGE - TIGER COMPRESSOR	Pass	State
2021-07-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-07-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-07-29	REP PROCESSING LLC - PIERCE GAS PLANT	Pass	State
2021-07-13	ROCKIES EXPRESS PIPELINE-CHEYENNE HUB CS	Pass	State
2021-07-08	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2021-07-08	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2021-07-07	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2021-07-07	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2021-07-06	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2021-07-06	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2021-06-29	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-06-24	LEPRINO FOODS COMPANY - GREELEY PLANT	Pass	State
2021-06-24	LEPRINO FOODS COMPANY - GREELEY PLANT	Pass	State
2021-06-10	WES DJ GATHERING - ST. VRAIN C.S.	Pass	State
2021-06-03	WES DJ GATHERING - LATHAM GAS PLANT	Pass	State
2021-06-03	HIGHPOINT OPERATING -CIRCLE B 5-61-27 CS	Pass	State
2021-06-02	DCP OPERATING CO - MEWBOURN — high-priority violation on file	Pass	State
2021-05-27	PUBLIC SERVICE CO - FORT SAINT VRAIN PLT	Pass	State
2021-05-25	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	Pass	State
2021-05-25	DCP OPERATING CO - ENTERPRISE C.S. — high-priority violation on file	Pass	State
2021-05-24	DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file	Pass	State
2021-05-24	DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file	Pass	State
2021-05-21	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-05-21	ROCKY MT MIDSTREAM- KEENESBURG GAS PLANT	N/A	State
2021-05-20	WILLIAMS FRONT RANGE - TIGER COMPRESSOR	Pass	State
2021-05-20	ROCKY MT MIDSTREAM- KEENESBURG GAS PLANT	Fail	State
2021-05-19	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS	Pass	State
2021-05-19	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS	Pass	State
2021-05-15	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-05-12	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2021-05-12	BONANZA CRK STATE NORTH PLATTE CPF 42-26	Pass	State
2021-05-11	BONANZA CRK STATE NORTH PLATTE CPF 42-26	Pass	State
2021-05-07	WES DJ GATHERING - HUDSON STATION — high-priority violation on file	Pass	State
2021-05-06	WES DJ GATHERING - HUDSON STATION — high-priority violation on file	Pass	State
2021-05-05	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2021-04-29	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	Pass	State
2021-04-29	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	Pass	State
2021-04-28	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	Pass	State
2021-04-28	ROCKY MOUNTAIN MIDSTREAM - AUBURN CS	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 Weld county, CO, in 2021. It lists 160 stack tests recorded in 2021.