EPA Air · stack tests by county and year

Air-emissions stack tests in Carbon County, Wyoming, 2023

41Stack 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 Carbon County, Wyoming during 2023. 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 Carbon County facility page.

Carbon County, Wyoming, 2023

Air-emissions stack tests in Carbon County, other years

What stands out

Stack tests in Carbon County, Wyoming, rose from 31 in 2022, the previous year on file, to 41 in 2023.
The county’s file for stack tests holds 10 years of events, from 2017 through 2026.
Its 41 stack tests rank 5th of the 15 county cells in Wyoming for 2023.
Its 41 stack tests are 6.1% of the 670 the state’s file holds for 2023.

Every line is computed by formula from the state’s stored file; nothing is estimated.

Air-emissions stack tests recorded in Carbon County, Wyoming, 2023

Date	Facility	Kind	Agency
2023-11-28	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-11-28	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-11-28	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-11-07	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-11-06	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-11-06	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-10-27	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-10-25	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-10-23	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-10-23	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-10-17	DOTY MOUNTAIN COMPRESSOR STATION (US REALM VENTURES)	Pass	State
2023-10-17	DOTY MOUNTAIN COMPRESSOR STATION (US REALM VENTURES)	Pass	State
2023-09-20	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-09-20	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-09-20	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-09-20	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-09-20	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-09-20	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-09-05	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-09-05	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-08-09	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-08-09	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-08-09	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-08-09	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-31	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-07-27	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-27	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-27	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-26	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-26	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-26	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-25	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-07-25	ECHO SPRINGS GAS PLANT (WILLIAMS FIELD SERVICES)	Pass	State
2023-06-02	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-05-26	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-05-18	DOTY MOUNTAIN COMPRESSOR STATION (US REALM VENTURES)	Pass	State
2023-04-20	DOTY MOUNTAIN COMPRESSOR STATION (US REALM VENTURES)	Pass	State
2023-03-16	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-03-16	DOTY MOUNTAIN COMPRESSOR STATION (US REALM VENTURES)	Pass	State
2023-03-14	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	Pass	State
2023-03-13	HF SINCLAIR PARCO REFINING LLC — high-priority violation on file	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 Carbon county, WY, in 2023. Stack tests recorded in 2023: 41.