EPA Air · by county
Air-emissions sources in Washtenaw County, Michigan
- 59Facilities
Every stationary source in Washtenaw County, Michigan that holds a Clean Air Act permit or is otherwise tracked by an air agency — planned, under construction, operating, seasonal or temporarily closed. Sources EPA records as permanently closed are not listed.
By emissions classification in Washtenaw County
A source’s classification is the size band its potential emissions put it in: a major source is large enough to need a Title V operating permit, a synthetic minor has accepted limits to stay below that line, and a minor source sits below it outright.
Inspections in Washtenaw County, by year
A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.
- 2026 — inspections 17
- 2025 — inspections 20
- 2024 — inspections 24
- 2023 — inspections 39
- 2022 — inspections 49
- 2021 — inspections 30
- 2020 — inspections 35
- 2019 — inspections 39
- 2018 — inspections 60
- 2017 — inspections 42
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| AISIN WORLD CORP OF AMERICA, INC. | Synthetic minor source | No |
| ARBOR HILLS ENERGY, LLC | Major source | No |
| ARBOR HILLS LANDFILL, INC. | Major source | Yes |
| AVL POWERTRAIN ENGINEERING | Synthetic minor source | No |
| B.O.P. FEDERAL CORRECTIONAL INSTITUE | Synthetic minor source | No |
| BLACKMORE CO | Minor source | No |
| CADILLAC ASPHALT, LLC - ANN ARBOR | Synthetic minor source | No |
| CAYMAN CHEMICAL CO. | Synthetic minor source | No |
| CITY OF CHELSEA | Synthetic minor source | No |
| COLLINS & AIKMAN PLASTICS | Minor source | No |
| CONSUMERS ENERGY - FREEDOM COMPRESSOR STATION | Major source | No |
| DAPCO INDUSTRIES | Synthetic minor source | No |
| DTE ELECTRIC COMPANY - SUPERIOR PEAKING FACILITY | Major source | No |
| DTE GAS COMPANY - WILLOW RUN COMPRESSOR STATION | Major source | No |
| EASTERN MI UNIVERSITY | Synthetic minor source | Yes |
| EDWARDS BROTHERS, INC. | Minor source | No |
| EMERALD RNG LLC | Major source | No |
| FAURECIA INTERIOR SYSTEMS SALINE, LLC | Major source | No |
| FEDERAL MOGUL POWERTRAIN INC | Synthetic minor source | No |
| FORD MOTOR COMPANY - RAWSONVILLE PLANT | Synthetic minor source | No |
| FORD MOTOR COMPANY - SALINE PLANT | Major source | No |
| FRAME HARDWOODS, INC. | Minor source | No |
| GELMAN SCIENCES INC | Minor source | No |
| GERKEN MATERIALS, INC CLINTON | Synthetic minor source | No |
| GESTAMP WASHTENAW, LLC | Synthetic minor source | No |
| HYUNDAI AMERICA TECHNICAL CENTER INC. (HATCI) | Major source | No |
| KAISER OPTICAL SYSTEMS INC | Minor source | No |
| MALLOY INC | Synthetic minor source | No |
| MANCHESTER GRAVEL & CONCRETE | Minor source | No |
| MARSH PLATING CORPORATION | Minor source | No |
| MARTINREA BISHOP CIRCLE ASSEMBLY | Synthetic minor source | No |
| MDOC WOMEN'S HURON VALLEY CORRECTIONAL FACILITY | Synthetic minor source | No |
| MILAN CAST METAL CORP | Minor source | No |
| MILAN SCREW PRODUCTS INC | Minor source | No |
| NSK CORP | Minor source | No |
| POLLARD (U.S.) LTD | Synthetic minor source | No |
| POLLY MARKET | Minor source | No |
| SHERIDAN BOOKS | Minor source | No |
| SHERIDAN BOOKS | Synthetic minor source | No |
| SPECTRUM CONTROL INC. | Minor source | No |
| STONECO INC | Minor source | No |
| STONECO-ZEEB RD DIV 85 | Minor source | No |
| SUPERIOR MATERIALS | Minor source | No |
| SWEEPSTER JENKINS EQUIPMENT CO | Minor source | No |
| TECUMSEH PRODUCTS CO. | Minor source | No |
| THETFORD CORP | Minor source | No |
| THETFORD CORP. | Minor source | No |
| THOMPSON RECYCLE CO. | Minor source | No |
| THOMSON SHORE INC | Minor source | No |
| TOYOTA MOTOR NORTH AMERICA R&D | Major source | No |
| TOYOTA MOTOR NORTH AMERICA R&D | Synthetic minor source | No |
| TRADER JOE'S | Minor source | No |
| TRI-COUNTY CREMATION SERVICE | Minor source | No |
| TRINITY HEALTH - SAINT JOSEPH MERCY HOSPITAL | Synthetic minor source | No |
| UNIVERSITY OF MICHIGAN | Major source | No |
| US EPA NATL VEHICLE&FUEL EMISSION | Minor source | No |
| V A MEDICAL CENTER | Minor source | No |
| XELAPACK (AKA GENPACK) | Minor source | No |
| YPSILANTI COMMUNITY UTILITIES AUTHORITY | Minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.