EPA Air · by county
Air-emissions sources in Undetermined County, Connecticut
- 26Facilities
Every stationary source in Undetermined 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 Undetermined 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.
- Minor source 24
Inspections in Undetermined 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.
Stack tests in Undetermined County, by year
A stack test measures what a source actually emits, at the stack, against the limit in its permit.
- 2026 stack tests 6
- 2025 stack tests 4
- 2024 stack tests 8
- 2023 stack tests 5
- 2022 stack tests 7
- 2021 stack tests 7
- 2020 stack tests 5
- 2019 stack tests 4
- 2018 stack tests 6
- 2017 stack tests 7
Inspections in Undetermined County, year by year · Stack tests in Undetermined County, year by year
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 Haven County 702
- New London County 161
- Tolland County 50
- Windham County 103
Facilities
| Facility↑↓ | Classification↑↓ | HPV |
|---|---|---|
| CHESTNUT STREET STAIR CO., LLC | Minor source | No |
| CITY OF NORWALK 3RD TAXING DISTRICT | Minor source | No |
| CONN BRASS CORP, THE | Minor source | No |
| COON & SON, WILLIAM INC | Minor source | No |
| COOPER TANK LLC DBA EAST COAST CONTAINER LLC | Minor source | No |
| CT TEMPLE OF ECKANKAR | Minor source | No |
| DOW CHEMICAL ALLYNS POINT | Minor source | No |
| FIRST TRANSIT | Minor source | No |
| IMPULSE DESIGN | Minor source | No |
| KOBYLUCK TRUCKING | Minor source | No |
| LEDYARD HIGH SCHOOL | Minor source | No |
| LISBON PLANT | Minor source | No |
| LISBON TEXTILE PRINTS, INCORPORATED | Minor source | No |
| MOHEGAN TRIBE OF INDIANS OF CT | Minor source | No |
| MONTVILLE PLANT | Minor source | No |
| MONTVILLE POWER LLC | Major source | No |
| MONTVILLE SCHOOL BUS GARAGE | Minor source | No |
| O & G INDUSTRIES, INC | Minor source | No |
| RAND-WHITNEY REALTY LLC | Minor source | No |
| SAVIN BROS | Minor source | No |
| SKI'S GARAGE, INC | Minor source | No |
| STERLING, TOWN OF | Minor source | No |
| THURBER R CHATFIELD III | Minor source | No |
| WASTE MANAGEMENT OF CT, INC | Minor source | No |
| WATERTOWN DPW | Minor source | No |
| WHEELABRATOR LISBON INC. | Major source | No |
County as filed on the facility record. Figures from EPA’s ICIS-AIR download.
What this page shows
This page covers Clean Air Act facilities in the EPA air register in Undetermined county, CT. It lists 26 facilities in Undetermined county. It lists 2 major sources.