# EPA compliance records in Connecticut — facilities by city

> 8,523 active facilities in Connecticut under EPA air, water and hazardous-waste programs. Search by EPA ID, permit number or name.

## Environmental compliance records in Connecticut

8,523 active facilities in Connecticut are listed here. The most common industries: Manufacturing (1,382), Retail Trade (673), Other Services (except Public Administration) (357). 169 had a formal enforcement action in the last five years.

Checking a list of sites or suppliers? [Bulk lookups by EPA ID or address, and change alerts](/pro.md) — or take the dataset on [the datasets page](/data.md).

### 99 cities with 20 or more listed facilities

- [Ansonia](/state/ct/ansonia.md) — 33
- [Avon](/state/ct/avon.md) — 31
- [Berlin](/state/ct/berlin.md) — 55
- [Bethel](/state/ct/bethel.md) — 58
- [Bloomfield](/state/ct/bloomfield.md) — 94
- [Branford](/state/ct/branford.md) — 87
- [Bridgeport](/state/ct/bridgeport.md) — 246
- [Bristol](/state/ct/bristol.md) — 135
- [Brookfield](/state/ct/brookfield.md) — 58
- [Cheshire](/state/ct/cheshire.md) — 76
- [Chester](/state/ct/chester.md) — 21
- [Clinton](/state/ct/clinton.md) — 28
- [Colchester](/state/ct/colchester.md) — 28
- [Cromwell](/state/ct/cromwell.md) — 45
- [Danbury](/state/ct/danbury.md) — 187
- [Danielson](/state/ct/danielson.md) — 22
- [Darien](/state/ct/darien.md) — 28
- [Deep River](/state/ct/deep-river.md) — 25
- [Derby](/state/ct/derby.md) — 24
- [Durham](/state/ct/durham.md) — 24
- [East Granby](/state/ct/east-granby.md) — 28
- [East Hampton](/state/ct/east-hampton.md) — 38
- [East Hartford](/state/ct/east-hartford.md) — 106
- [East Haven](/state/ct/east-haven.md) — 45
- [East Windsor](/state/ct/east-windsor.md) — 46
- [Ellington](/state/ct/ellington.md) — 27
- [Enfield](/state/ct/enfield.md) — 89
- [Essex](/state/ct/essex.md) — 22
- [Fairfield](/state/ct/fairfield.md) — 80
- [Farmington](/state/ct/farmington.md) — 61
- [Glastonbury](/state/ct/glastonbury.md) — 53
- [Greenwich](/state/ct/greenwich.md) — 80
- [Groton](/state/ct/groton.md) — 58
- [Guilford](/state/ct/guilford.md) — 41
- [Hamden](/state/ct/hamden.md) — 90
- [Hartford](/state/ct/hartford.md) — 284
- [Madison](/state/ct/madison.md) — 36
- [Manchester](/state/ct/manchester.md) — 108
- [Meriden](/state/ct/meriden.md) — 134
- [Middletown](/state/ct/middletown.md) — 103
- [Milford](/state/ct/milford.md) — 126
- [Monroe](/state/ct/monroe.md) — 45
- [Montville](/state/ct/montville.md) — 24
- [Mystic](/state/ct/mystic.md) — 20
- [Naugatuck](/state/ct/naugatuck.md) — 50
- [New Britain](/state/ct/new-britain.md) — 115
- [New Canaan](/state/ct/new-canaan.md) — 35
- [New Fairfield](/state/ct/new-fairfield.md) — 22
- [New Haven](/state/ct/new-haven.md) — 245
- [New London](/state/ct/new-london.md) — 61
- [New Milford](/state/ct/new-milford.md) — 74
- [Newington](/state/ct/newington.md) — 81
- [Newtown](/state/ct/newtown.md) — 47
- [North Branford](/state/ct/north-branford.md) — 22
- [North Haven](/state/ct/north-haven.md) — 101
- [Norwalk](/state/ct/norwalk.md) — 156
- [Norwich](/state/ct/norwich.md) — 81
- [Old Lyme](/state/ct/old-lyme.md) — 35
- [Old Saybrook](/state/ct/old-saybrook.md) — 32
- [Orange](/state/ct/orange.md) — 39
- [Oxford](/state/ct/oxford.md) — 26
- [Plainfield](/state/ct/plainfield.md) — 47
- [Plainville](/state/ct/plainville.md) — 56
- [Portland](/state/ct/portland.md) — 39
- [Putnam](/state/ct/putnam.md) — 47
- [Ridgefield](/state/ct/ridgefield.md) — 40
- [Rocky Hill](/state/ct/rocky-hill.md) — 49
- [Seymour](/state/ct/seymour.md) — 37
- [Shelton](/state/ct/shelton.md) — 80
- [Simsbury](/state/ct/simsbury.md) — 36
- [South Windsor](/state/ct/south-windsor.md) — 109
- [Southbury](/state/ct/southbury.md) — 39
- [Southington](/state/ct/southington.md) — 85
- [Stafford Springs](/state/ct/stafford-springs.md) — 23
- [Stamford](/state/ct/stamford.md) — 238
- [Storrs Mansfield](/state/ct/storrs-mansfield.md) — 21
- [Stratford](/state/ct/stratford.md) — 121
- [Suffield](/state/ct/suffield.md) — 27
- [Thomaston](/state/ct/thomaston.md) — 36
- [Tolland](/state/ct/tolland.md) — 25
- [Torrington](/state/ct/torrington.md) — 94
- [Trumbull](/state/ct/trumbull.md) — 48
- [Vernon](/state/ct/vernon.md) — 26
- [Wallingford](/state/ct/wallingford.md) — 133
- [Waterbury](/state/ct/waterbury.md) — 246
- [Waterford](/state/ct/waterford.md) — 47
- [Watertown](/state/ct/watertown.md) — 56
- [West Hartford](/state/ct/west-hartford.md) — 92
- [West Haven](/state/ct/west-haven.md) — 77
- [Westbrook](/state/ct/westbrook.md) — 26
- [Westport](/state/ct/westport.md) — 42
- [Wethersfield](/state/ct/wethersfield.md) — 33
- [Willimantic](/state/ct/willimantic.md) — 35
- [Willington](/state/ct/willington.md) — 20
- [Wilton](/state/ct/wilton.md) — 24
- [Windsor](/state/ct/windsor.md) — 87
- [Windsor Locks](/state/ct/windsor-locks.md) — 61
- [Winsted](/state/ct/winsted.md) — 31
- [Wolcott](/state/ct/wolcott.md) — 40

[Smaller places](/state/ct/other-places.md) — 1,879 facilities.

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Página: https://facility-compliance-records.pages.dev/state/ct/
Fonte: https://echo.epa.gov/tools/data-downloads
Recolha: 2026-09-27