Clean Air Act stationary source · ICIS-AIR MI00000000000N7421
DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION, Ypsilanti, MI: Clean Air Act compliance record, inspections, violations, penalties
- OperatingOperating status
- Major sourceEmissions classification
- No Violation IdentifiedCurrent violation status, as filed
- 10Compliance evaluations since January 1, 2017
- 0High-priority violations since January 1, 2017
- 0Formal enforcement actions since January 1, 2017
DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION, at 3020 EAST MICHIGAN AVENUE, Ypsilanti in Washtenaw County, Michigan, 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”. Washtenaw 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 | DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION |
|---|---|
| ICIS-AIR ID | MI00000000000N7421 |
| EPA facility registry ID | 110041892887 |
| Operating status | Operating |
| Emissions classification | Major source |
| Current violation status (ICIS-AIR high-priority violation field) | No Violation Identified |
| Address | 3020 EAST MICHIGAN AVENUE, Ypsilanti, MI 48198 |
| County | Washtenaw County |
| In a nonattainment county | Yes (EPA Green Book) |
| Industry (NAICS) | Pipeline transportation (NAICS 4862) |
| EPA region | 05 |
Cited to the EPA ICIS-AIR facility file (ECHO download).
Programs and pollutants
Velarion’s copy of EPA’s ICIS-AIR download does not yet include its program, pollutant and Title V certification files, so this page does not list the Clean Air Act programs DTE GAS COMPANY - WILLOW RUN 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
- 10Evaluations since January 1, 2017
- 5Full compliance evaluations
| Date | What EPA recorded | Agency | Programs |
|---|---|---|---|
| July 21, 2026 | PCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 21, 2026 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 14, 2024 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| August 7, 2024 | PCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 12, 2022 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| June 29, 2022 | PCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 11, 2020 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| September 10, 2020 | PCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards; Title V Permits |
| July 25, 2018 | FCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
| June 20, 2018 | PCE On-Site | State | MACT Standards (40 CFR Part 63); New Source Performance Standards; New Source Review Permit Requirements; State Implementation Plan for National Primary and Secondary Ambient Air Quality Standards |
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 MI00000000000N7421 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 MI00000000000N7421 since January 1, 2017.
Stack tests
- 25Stack tests since January 1, 2017
- 0Recorded as failed
| Date | What EPA recorded | Agency |
|---|---|---|
| June 2, 2026 | Pass | State |
| April 29, 2026 | Pass | State |
| April 8, 2026 | Pass | State |
| May 15, 2025 | Pass | State |
| May 12, 2025 | Pass | State |
| May 21, 2024 | Pass | State |
| March 21, 2024 | Pass | State |
| February 14, 2024 | Pending | State |
| May 9, 2023 | Pass | State |
| March 29, 2023 | Pass | State |
| August 8, 2022 | Pass | State |
| June 22, 2022 | Pass | State |
| June 9, 2022 | Pass | State |
| June 7, 2022 | Pass | State |
| March 29, 2022 | Pass | State |
| October 21, 2021 | Pass | State |
| August 30, 2021 | Pass | State |
| June 1, 2020 | Pass | State |
| December 4, 2019 | Pass | State |
| June 18, 2019 | Pass | State |
| May 1, 2019 | Pass | State |
| January 15, 2019 | Pass | State |
| December 27, 2018 | Pass | State |
| June 20, 2018 | Pass | State |
| June 28, 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 110041892887 there.
Nearby on the register
- Air-emissions sources in Washtenaw County
- Every source record in Washtenaw County, A to Z
- Air-emissions sources in Michigan
- Every source record in Michigan, A to Z
Figures from EPA’s ICIS-AIR download, loaded September 14, 2026.