EPA Air · stack tests by county and year

Air-emissions stack tests in Weld County, Colorado, 2019

197Stack 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 2019. 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, 2019

Air-emissions stack tests in Weld County, other years

Air-emissions stack tests recorded in Weld County, Colorado, 2019

Date	Facility	Kind	Agency
2019-12-20	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-12-20	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-12-19	BONANZA CREEK - STATE ANTELOPE CPF O-1	Pass	State
2019-12-19	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-12-19	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-12-19	EXTRACTION O&G - JOHNSON'S CORNER	Pass	State
2019-12-18	BONANZA CRK ENERGY - NORTH PLATTE 24-34	Pass	State
2019-12-18	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-12-18	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-12-16	BONANZA CREEK ENERGY- NORTH PLATTE 14-36	Pass	State
2019-12-13	CURETON FRONT RANGE - FRONT RANGE GAS P	Pass	State
2019-12-12	CURETON FRONT RANGE - FRONT RANGE GAS P	Pass	State
2019-12-12	CURETON FRONT RANGE - FRONT RANGE GAS P	Pass	State
2019-12-05	EXTRACTION O&G - JOHNSON'S CORNER	Pass	State
2019-12-05	EXTRACTION O&G - JOHNSON'S CORNER	Pass	State
2019-12-05	REP PROCESSING - SEVERANCE COMP STATION	Pass	State
2019-12-05	REP PROCESSING - SEVERANCE COMP STATION	Pass	State
2019-12-04	EXTRACTION - RINN VALLEY PROD. FACILITY	Pass	State
2019-12-04	EXTRACTION - RINN VALLEY PROD. FACILITY	Pass	State
2019-12-03	REP PROCESSING - SEVERANCE COMP STATION	Pass	State
2019-12-03	REP PROCESSING - SEVERANCE COMP STATION	Pass	State
2019-12-02	REP PROCESSING - SEVERANCE COMP STATION	Pass	State
2019-12-02	REP PROCESSING - SEVERANCE COMP STATION	Pass	State
2019-11-22	BONANZA CREEK - ANTELOPE CPF 13-21	Pass	State
2019-11-21	BONANZA CREEK - WETCO FARMS A-4 PAD	Pass	State
2019-11-21	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-11-21	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-11-21	ROCKY MOUNTAIN MIDSTREAM - WEST BRIGHTON	Pass	State
2019-11-20	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	N/A	State
2019-11-20	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	N/A	State
2019-11-19	HIGHPOINT - 70 RANCH 4-63-3 PAD 2	Pass	State
2019-11-19	HIGHPOINT - RSU ANSCHUTZ FED 4-62-11	Pass	State
2019-11-18	BONANZA CRK STATE NORTH PLATTE CPF 42-26	Pass	State
2019-11-13	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS	Pass	State
2019-11-13	ROCKY MOUNTAIN MIDSTREAM - FT LUPTON GAS	Fail	State
2019-11-12	HIGHPOINT - RSU ANSCHUTZ FED 4-62-11	N/A	State
2019-11-11	DCP OPERATING CO - MILTON C.S.	Pass	State
2019-11-11	DCP OPERATING CO - MILTON C.S.	Pass	State
2019-11-07	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2019-11-06	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2019-11-06	DCP OPERATING CO - O'CONNOR GAS PLANT	Pass	State
2019-11-06	DCP OPERATING CO - O'CONNOR GAS PLANT	Pass	State
2019-11-05	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2019-11-05	DCP OPERATING CO - O'CONNOR GAS PLANT	Pass	State
2019-11-04	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	Pass	State
2019-11-04	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	Pass	State
2019-11-04	HIGHPOINT - WETCO 4-63-4 SW PRODUCTION	Pass	State
2019-11-04	HIGHPOINT - WETCO 4-63-4 SW PRODUCTION	Pass	State
2019-10-31	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	N/A	State
2019-10-30	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2019-10-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2019-10-29	WES DJ GATHERING - FREDERICK CS — high-priority violation on file	Pass	State
2019-10-24	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2019-10-24	DCP OPERATING CO - LUCERNE 2 GAS PLANT — high-priority violation on file	Pass	State
2019-10-24	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	Pass	State
2019-10-24	SUMMIT MIDSTREAM NIOBR - ANGUS COMPR STN	Pass	State
2019-10-23	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2019-10-22	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2019-10-19	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2019-10-17	NOBLE - WELLS RANCH STATE AF08 ECONODE	Pass	State
2019-10-16	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2019-10-16	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	Pass	State
2019-10-15	WES DJ FT LUPTON/PLATTE VALLEY/LANCASTER — high-priority violation on file	Pass	State
2019-10-15	SUMMIT MIDSTREAM NIOBR - HEREFORD RANCH	Fail	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	DCP OPERATING CO - GREELEY NATURAL GAS P	Pass	State
2019-10-14	BIOCHAR NOW, LLC - BERTHOUD PLANT	Fail	State
2019-10-14	EXTRACTION O&G - HFE 22-P PROD FACILITY	Fail	State
2019-10-09	NOBLE - WELLS RANCH STATE AF08 ECONODE	N/A	State
2019-10-09	KERR MCGEE - MUSTANG Y-34 PRODUCTION FAC	Pass	State
2019-10-09	KERR MCGEE - MUSTANG Y-34 PRODUCTION FAC	Pass	State
2019-10-09	KERR MCGEE - MUSTANG Y-34 PRODUCTION FAC	Pass	State
2019-10-08	BIOCHAR NOW, LLC - BERTHOUD PLANT	Fail	State
2019-10-08	KERR MCGEE - MUSTANG 14-26 PROD FACIL	Pass	State
2019-10-08	KERR MCGEE - MUSTANG 14-26 PROD FACIL	Pass	State
2019-10-08	KERR MCGEE - MUSTANG 14-26 PROD FACIL	Pass	State
2019-10-08	NOBLE ENERGY - HULLABALOO Y16-28-A ECONO	Pass	State
2019-10-07	NOBLE - WELLS RANCH STATE AF08 ECONODE	Pass	State
2019-10-07	BONANZA CREEK - LONGHORN U-10 PROD FAC	Pass	State
2019-10-07	BONANZA CREEK - LONGHORN U-10 PROD FAC	Pass	State
2019-10-07	BONANZA CREEK - LONGHORN U-10 PROD FAC	Pass	State
2019-10-04	EXTRACTION - DIAMOND VALLEY EAST	Pass	State
2019-10-04	BONANZA CREEK - PRONGHORN 24-7 BOOSTER	Pass	State
2019-10-01	FUNDARE - RAZOR 25B	Fail	State
2019-09-27	BONANZA CREEK - PRONGHORN 24-7 BOOSTER	Fail	State
2019-09-26	NOBLE ENERGY - WELLS RANCH AA12, AE07	Pass	State
2019-09-25	NOBLE ENERGY - OSCAR Y10 ECONODE T2N-R64	Pass	State
2019-09-20	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	Pass	State
2019-09-19	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	Pass	State
2019-09-19	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	Pass	State
2019-09-19	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	Pass	State
2019-09-18	ROCKY MOUNTAIN MIDSTREAM - MUSTANG CS — high-priority violation on file	Pass	State
2019-09-12	DCP OPERATING CO - NORTHSTAR C.S.	Pass	State
2019-09-11	DCP OPERATING CO - GODFREY BOTTOM C.S.	Pass	State

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