EPA Air · by county
Air-emissions sources in New Haven County, Connecticut
- 702Facilities
Every stationary source in New Haven County, Connecticut 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 New Haven 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 New Haven 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 18
- 2025 — inspections 16
- 2024 — inspections 34
- 2023 — inspections 18
- 2022 — inspections 27
- 2021 — inspections 21
- 2020 — inspections 37
- 2019 — inspections 21
- 2018 — inspections 45
- 2017 — inspections 41
Other counties in Connecticut
Every county in the state with at least three sources on file.
- Fairfield County 623
- Hartford County 762
- Litchfield County 156
- Middlesex County 120
- New London County 161
- Tolland County 50
- Undetermined County 26
- Windham County 103
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| YANKEE GAS SERVICES CO | Minor source | No |
| YORK HILL TRAP ROCK QUARRY COMPANY | Synthetic minor source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.