Clean Air Act stationary source · ICIS-AIR 080000004904700103

WONSITS VALLEY COMPRESSOR STATION, Fort Duchesne, UT: Clean Air Act compliance record, inspections, violations, penalties

OperatingOperating status
Major sourceEmissions classification
No Violation IdentifiedCurrent violation status, as filed
8Compliance evaluations since January 1, 2017
0High-priority violations since January 1, 2017
1Formal enforcement actions since January 1, 2017

WONSITS VALLEY COMPRESSOR STATION, at SEC 12, T 8S, R 22E, Fort Duchesne in Uintah County, Utah, is an operating major source of air pollution on EPA’s ICIS-AIR register. EPA’s file records its current violation status (ICIS-AIR’s high-priority violation field) as “No Violation Identified”. Uintah County is on EPA’s Green Book list of areas that do not meet a national air quality standard. The status and classification are as EPA’s facility file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the source’s current standing, quarter by quarter.

Identity

Facility as filed	WONSITS VALLEY COMPRESSOR STATION
ICIS-AIR ID	080000004904700103
EPA facility registry ID	110015772966
Operating status	Operating
Emissions classification	Major source
Current violation status (ICIS-AIR high-priority violation field)	No Violation Identified
Address	SEC 12, T 8S, R 22E, Fort Duchesne, UT 84078
County	Uintah County
In a nonattainment county	Yes (EPA Green Book)
Industry (NAICS)	Oil and gas extraction (NAICS 2111)
SIC code	1311
EPA region	08

Cited to the EPA ICIS-AIR facility file (ECHO download).

Programs and pollutants

Velarion’s copy of EPA’s ICIS-AIR download does not include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs WONSITS VALLEY COMPRESSOR STATION is under or the pollutants it is permitted for. The programs each evaluation and violation below was recorded under are shown with it. EPA’s free Detailed Facility Report lists both.

Compliance evaluations

8Evaluations since January 1, 2017
5Full compliance evaluations

Date	What EPA recorded	Agency	Programs
August 18, 2026	FCE On-Site	U.S. EPA	Federal Implementation Plan for National Primary and Secondary Ambient Air Quality Standards
September 17, 2024	FCE On-Site	U.S. EPA	Operating Permits
June 23, 2022	FCE On-Site	U.S. EPA	Title V Permits
February 2, 2022	PCE Off-Site	U.S. EPA	Title V Permits
February 16, 2021	PCE Off-Site	U.S. EPA	Operating Permits
March 12, 2019	FCE On-Site	U.S. EPA	MACT Standards (40 CFR Part 63); New Source Performance Standards; Operating Permits
November 15, 2018	PCE On-Site	U.S. EPA	MACT Standards (40 CFR Part 63); New Source Performance Standards
August 16, 2017	FCE On-Site	U.S. EPA	Federal Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; MACT Standards (40 CFR Part 63); New Source Performance Standards; Title V Permits

Violations

0Violation determinations since January 1, 2017
0Of them high-priority

A high-priority violation (HPV) is the most serious class of Clean Air Act non-compliance an agency records; a federally reportable violation (FRV) is the next step down. Each row is one determination as EPA’s violation history files it.

EPA’s violation history file holds no violation for ICIS-AIR 080000004904700103 since January 1, 2017.

Enforcement and penalties

1 formal enforcement actions since January 1, 2017, 1 of them with a penalty filed above zero. Each penalty is shown as EPA’s formal action file states it; “Not stated” means the file gives no figure, and $0 is a disclosed zero.

Date	What EPA recorded	Agency	Penalty, as filed
April 30, 2023	Civil Judicial Action	U.S. EPA	$2,000,000

Informal enforcement

Date	What EPA recorded	Agency
November 22, 2019	Notice of Violation	U.S. EPA

Stack tests

40Stack tests since January 1, 2017
2Recorded as failed

Date	What EPA recorded	Agency
May 4, 2023	Pass	U.S. EPA
May 3, 2023	Pass	U.S. EPA
May 2, 2023	Pass	U.S. EPA
May 1, 2023	Pass	U.S. EPA
May 1, 2023	Pass	U.S. EPA
January 10, 2023	Pass	U.S. EPA
January 10, 2023	Pass	U.S. EPA
August 16, 2021	Pass	U.S. EPA
May 12, 2021	Pass	U.S. EPA
May 11, 2021	Pass	U.S. EPA
May 11, 2021	Pass	U.S. EPA
May 10, 2021	Pass	U.S. EPA
May 14, 2020	Pass	U.S. EPA
May 14, 2020	Pass	U.S. EPA
May 13, 2020	Pass	U.S. EPA
May 13, 2020	Pass	U.S. EPA
May 12, 2020	Pass	U.S. EPA
May 30, 2019	Pass	U.S. EPA
May 30, 2019	Pass	U.S. EPA
May 22, 2019	Pass	U.S. EPA
May 22, 2019	Pass	U.S. EPA
May 21, 2019	Pass	U.S. EPA
December 7, 2018	Pass	U.S. EPA
November 21, 2018	Fail	U.S. EPA
November 14, 2018	Fail	U.S. EPA
November 13, 2018	Pass	U.S. EPA
November 13, 2018	Pass	U.S. EPA
November 12, 2018	Pass	U.S. EPA
May 22, 2018	Pass	U.S. EPA
May 22, 2018	Pass	U.S. EPA
May 21, 2018	Pass	U.S. EPA
November 29, 2017	Pass	U.S. EPA
November 29, 2017	Pass	U.S. EPA
November 28, 2017	Pass	U.S. EPA
November 27, 2017	Pass	U.S. EPA
May 17, 2017	Pass	U.S. EPA
May 17, 2017	Pending	U.S. EPA
May 16, 2017	Pass	U.S. EPA
May 15, 2017	Pass	U.S. EPA
May 15, 2017	Pass	U.S. EPA

Cited to the EPA ICIS-AIR evaluation, violation, stack test and enforcement files (ECHO download), events dated January 1, 2017 or later as loaded; up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every source on ECHO: its compliance status quarter by quarter, its evaluations, and its violations, enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter EPA facility registry ID 110015772966 there.

Nearby on the register

Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.