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 — or take the dataset on the datasets page.

99 cities with 20 or more listed facilities

Ansonia — 33
Avon — 31
Berlin — 55
Bethel — 58
Bloomfield — 94
Branford — 87
Bridgeport — 246
Bristol — 135
Brookfield — 58
Cheshire — 76
Chester — 21
Clinton — 28
Colchester — 28
Cromwell — 45
Danbury — 187
Danielson — 22
Darien — 28
Deep River — 25
Derby — 24
Durham — 24
East Granby — 28
East Hampton — 38
East Hartford — 106
East Haven — 45
East Windsor — 46
Ellington — 27
Enfield — 89
Essex — 22
Fairfield — 80
Farmington — 61
Glastonbury — 53
Greenwich — 80
Groton — 58
Guilford — 41
Hamden — 90
Hartford — 284
Madison — 36
Manchester — 108
Meriden — 134
Middletown — 103
Milford — 126
Monroe — 45
Montville — 24
Mystic — 20
Naugatuck — 50
New Britain — 115
New Canaan — 35
New Fairfield — 22
New Haven — 245
New London — 61
New Milford — 74
Newington — 81
Newtown — 47
North Branford — 22
North Haven — 101
Norwalk — 156
Norwich — 81
Old Lyme — 35
Old Saybrook — 32
Orange — 39
Oxford — 26
Plainfield — 47
Plainville — 56
Portland — 39
Putnam — 47
Ridgefield — 40
Rocky Hill — 49
Seymour — 37
Shelton — 80
Simsbury — 36
South Windsor — 109
Southbury — 39
Southington — 85
Stafford Springs — 23
Stamford — 238
Storrs Mansfield — 21
Stratford — 121
Suffield — 27
Thomaston — 36
Tolland — 25
Torrington — 94
Trumbull — 48
Vernon — 26
Wallingford — 133
Waterbury — 246
Waterford — 47
Watertown — 56
West Hartford — 92
West Haven — 77
Westbrook — 26
Westport — 42
Wethersfield — 33
Willimantic — 35
Willington — 20
Wilton — 24
Windsor — 87
Windsor Locks — 61
Winsted — 31
Wolcott — 40

Smaller places — 1,879 facilities.