EPA Air · by county
Air-emissions sources in Hampden County, Massachusetts
- 432Facilities
Every stationary source in Hampden County, Massachusetts 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 Hampden 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 Hampden 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 123
- 2025 — inspections 165
- 2024 — inspections 150
- 2023 — inspections 109
- 2022 — inspections 76
- 2021 — inspections 64
- 2020 — inspections 92
- 2019 — inspections 162
- 2018 — inspections 107
- 2017 — inspections 129
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| WALTS AUTO REPAIR | Minor source | No |
| WASHINGTON STREET SCHOOL | Minor source | No |
| WASTE MANAGEMENT (RRT-RECYCLE AMERICA) | Minor source | No |
| WASTE MGMT (AUTOMATED MATERIAL HANDLING) | Minor source | No |
| WASTE MGMT (WESTERN PROCESSING FACILITY) | Minor source | No |
| WEST SPRINGFIELD HOUSING | Minor source | No |
| WEST SPRINGFIELD SENIOR HIGH SCHOOL | Minor source | No |
| WESTERN BRONZE INCORPORATED | Minor source | No |
| WESTERN MASS HOSPITAL | Synthetic minor source | No |
| WESTERN MASS RENDERING CO INC | Minor source | No |
| WESTERN NEW ENGLAND UNIVERSITY | Synthetic minor source | Yes |
| WESTFIELD ELECTROPLATING | Synthetic minor source | No |
| WESTFIELD ELECTROPLATING CO | Synthetic minor source | No |
| WESTFIELD GAGE CO INC | Synthetic minor source | No |
| WESTFIELD HIGH | Minor source | No |
| WESTFIELD READY MIX INC | Synthetic minor source | Yes |
| WESTFIELD STATE UNIVERSITY | Synthetic minor source | Yes |
| WESTFIELD VOCATIONAL HIGH SCHOOL | Minor source | No |
| WESTOVER AIR RESERVE BASE | Synthetic minor source | No |
| WESTOVER JOB CORPS CENTER | Synthetic minor source | No |
| WESTROCK CP LLC | Minor source | No |
| WESTSIDE FINISHING | Minor source | No |
| WF YOUNG INC | Minor source | No |
| WGI 2 | No | |
| WHIP CITY TOOL & DIE CORP | Yes | |
| WHITE STREET SCHOOL | Minor source | No |
| WILBRAHAM INDUSTRIAL PARK | Minor source | No |
| WILLIAM J DEAN TECHNICAL HIGH SCHOOL | Minor source | No |
| WING MEMORIAL HOSPITAL | Minor source | No |
| WOODLAND ELEMENTARY | Minor source | No |
| YMCA OF GREATER SPRINGFIELD | Minor source | No |
| YMCA WESTFIELD | Minor source | No |
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County as filed on the facility record. Figures from EPA’s ICIS-AIR download.