Clean Air Act stationary source · ICIS-AIR WY0000005603700054
FREWEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES), Sweetwater County, WY: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 5Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
FREWEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES), at SEC31 T20N R94W, Sweetwater County in Sweetwater County, Wyoming, 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”. Sweetwater 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 | FREWEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES) |
|---|---|
| ICIS-AIR ID | WY0000005603700054 |
| EPA facility registry ID | 110013865175 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | SEC31 T20N R94W, Sweetwater County, WY 82336 |
| County | Sweetwater County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Pipeline transportation (NAICS 4862) |
| SIC code | 4922 |
| 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 FREWEN LAKE COMPRESSOR STATION (WILLIAMS FIELD SERVICES) 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
- 5Evaluations since January 1, 2017
- 5Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| July 9, 2025 | FCE On-Site | State | Title V Permits |
| July 18, 2023 | FCE On-Site | State | Title V Permits |
| June 21, 2021 | FCE On-Site | State | Title V Permits |
| July 24, 2019 | FCE On-Site | State | Title V Permits |
| May 10, 2017 | FCE On-Site | State | 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 WY0000005603700054 since January 1, 2017.
Enforcement and penalties
0 formal enforcement actions since January 1, 2017, 0 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.
Informal enforcement
EPA’s informal action file holds no notice or warning for ICIS-AIR WY0000005603700054 since January 1, 2017.
Stack tests
- 18Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| September 21, 2026 | Pass | State |
| September 21, 2026 | Pass | State |
| September 17, 2025 | Pass | State |
| September 17, 2025 | Pass | State |
| October 31, 2024 | Pass | State |
| October 31, 2024 | Pass | State |
| October 31, 2023 | Pass | State |
| October 31, 2023 | Pass | State |
| November 8, 2022 | Pass | State |
| June 28, 2022 | Pass | State |
| September 7, 2021 | Pass | State |
| June 23, 2021 | Pass | State |
| April 22, 2020 | Pass | State |
| April 22, 2020 | Pass | State |
| June 7, 2019 | Pass | State |
| August 2, 2018 | Pass | State |
| May 30, 2018 | Pass | State |
| August 29, 2017 | Pass | State |
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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How we handle your data → Privacy
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 110013865175 there.
Nearby on the register
- Air-emissions sources in Sweetwater County
- Every source record in Sweetwater County, A to Z
- Air-emissions sources in Wyoming
- Every source record in Wyoming, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.