PlainEnviro

Fairfield, CT

High Risk (67/100)

A PlainEnviro-computed score from reported facility/violation counts, not an official EPA rating, health forecast, or population-adjusted rate. See methodology.

Environmental data for Fairfield in Connecticut

Fairfield, CT is tracked across three EPA datasets covering 46 Toxics Release Inventory (TRI) facilities, 133 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 67/100 (High Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 1.1M lbs of reported toxic releases under EPCRA Section 313, while 45 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 42 and a peak AQI of 154 in 2024, with 68% of observed days rated "Good" (0–50).

All figures below draw directly from federal EPA records, TRI self-reported emissions, SDWIS compliance history, NPL Hazard Ranking System scores, and AQS daily AQI summaries, and are not adjusted, weighted, or forecast. A past violation or elevated score does not itself indicate current unsafe conditions; it documents the regulatory and disclosure history publicly filed with the U.S. Environmental Protection Agency through the most recent reporting cycle.

TRI Facilities
46
Water Systems
133
Superfund Sites
0
Total Releases
1.1M lbs

Air Quality History (2020–2024)

EPA Air Quality Index (AQI) data showing how many days per year fall into each air quality category.

Year Good Moderate Unhealthy (SG) Max AQI
2024 248 (68%) 97 18 154
2023 210 (58%) 135 12 242
2022 223 (61%) 120 20 156
2021 225 (62%) 119 13 185
2020 217 (59%) 136 12 161
2024 Good Air Quality: 68% of days
Unhealthy days: 21
Median AQI: 42

Source: EPA Air Quality System (AQS) Annual AQI by County EPA Air Quality System (AQS) Annual AQI by County AQI categories: Good (0-50), Moderate (51-100), Unhealthy for Sensitive Groups (101-150), Unhealthy (151-200), Very Unhealthy (201-300), Hazardous (301+)

For real-time air quality readings and pollutant breakdowns in Connecticut, see the EPA's AirNow.gov.

Water Systems (133)

System Population Violations
AQUARION-EASTERN FAIRFIELD COUNTY 351,756 1
AQUARION-STAMFORD 119,214 0
DANBURY WATER DEPARTMENT 62,055 2
AQUARION-GREENWICH 53,297 1
SOUTH NORWALK ELECTRIC & WATER 42,000 3
TORRINGTON WATER COMPANY 37,915 2
AQUARION-DARIEN 18,737 0
AQUARION-PLAINVILLE REGIONAL 18,231 0
AQUARION-SIMSBURY REGIONAL 14,691 0
AQUARION-NEW MILFORD REGIONAL 13,331 0
AQUARION-VALLEY 13,080 0
AQUARION-MYSTIC 10,788 0
AQUARION-NEW CANAAN 10,097 0
BETHEL WATER DEPT 9,507 3
AQUARION-RIDGEFIELD 7,476 1
AQUARION-NEWTOWN REGIONAL 6,054 0
AQUARION-LITCHFIELD REGIONAL 3,097 0
FAIRFIELD HILLS 2,610 2
AQUARION-SALISBURY 1,932 1
AQUARION-NEW HARTFORD 1,872 1
AQUARION-NORTH CANAAN 1,481 0
AQUARION-MARLBOROUGH 1,348 0
CANDLEWOOD SHORES TAX DISTRICT 1,315 0
AQUARION-WOODBURY 1,209 0
AQUARION-EAST DERBY 1,101 0
AQUARION WATER COMPANY 987 0
AQUARION-RIDGEFIELD KNOLLS 958 4
AQUARION-NORFOLK 913 1
AQUARION-KENT 817 0
CLC OWNERS CORPORATION 736 0
LAKE WAUBEEKA ASSOCIATION 712 0
MEADOWS AT CROSS RIVER 630 90
AQUARION-BALL POND 629 0
AQUARION-SUFFIELD 595 0
BRUNSWICK SCHOOL (LOWER & LOWER MIDDLE) 567 1
CANDLEWOOD KNOLLS WATER AUTHORITY 524 0
STONE BRIDGE CENTER FOR HEALTH & REHAB 504 1
AQUARION-FALLS VILLAGE 488 6
AQUARION-LAKESIDE 455 0
AQUARION-OXFORD TOWNE CENTER 449 0
AQUARION-NEW FAIRFIELD 406 0
AQUARION-MEADOWBROOK 396 0
STONY HILL VILLAGE CONDOMINIUM ASSN 392 0
AQUARION-ARLINGTON ACRES 392 1
AQUA VISTA ASSOC, INC 388 0
KNOLLCREST TAX DISTRICT 356 8
AQUARION-PLEASURE VALLEY 328 0
AQUARION-CARMEN HILL 322 1
AQUARION-TIMBER TRAILS 310 0
AQUARION-POSSUM RIDGE 307 0
BEDROCK TOWERWOOD MOBILE HOME COMMUNITY 300 0
ARROWHEAD POINT HOMEOWNERS ASSN INC. 296 0
AQUARION-OAKWOOD ACRES 286 0
AQUARION-FOREST HILLS 265 0
AQUARION-INDIAN SPRING 242 0
CANDLE HILL MOBILE HOME PARK 233 3
AQUARION-JUDEA MAIN 219 0
AQUARION-CLEARVIEW HILLS 215 0
AQUARION-HOLLANDALE ESTATES 200 1
VALLEY PARK 200 0
AQUARION-EAST HAMPTON 189 0
BLUESTONE ACRES MHP 180 0
FENTON MOBILE ESTATES 175 0
GREENWOOD MOBILE HOME COURT 175 0
AQUARION-DEAN HEIGHTS 162 1
55 SUGAR STREET 158 3
HAWTHORNE TERRACE ASSOC 156 2
WOODED HILLS MOBILE HOME PARK 155 0
AQUARION-KEN OAKS 152 0
AQUARION-TWIN OAKS 152 0
AQUARION-LEBANON 149 0
AQUARION-INDIAN FIELDS 147 0
BROOKFIELD HILLS CONDOMINIUM UNIT OWNERS 144 6
CANDLEWOOD ORCHARDS PROPERTY OWNERS CORP 144 0
SNUG HARBOR DEVELOPMENT CORP 144 0
AQUARION-TYLER LAKE 142 0
BETHANY MOBILE HOME PARK 138 0
AQUARION-PEARCE MANOR 133 1
AQUARION-HICKORY HILLS 132 0
AQUARION-VALLEY VIEW 131 0
LAKE LILLINONAH SHORES CONDOS 130 8
AQUARION-SCODON 130 1
ROCK TERRACE TRAILER PARK 130 15
LILLINONAH PARK ESTATES HOMEOWNERS ASSN 128 3
JOCKEYVILLE ESTATES II 126 0
AQUARION-BUTTERNUT 124 0
AQUARION-HAWKSTONE 120 0
AQUARION-BARNUM 120 0
PARK PLACE MHP 120 0
DANBURY WATER DEPT-RIDGEVIEW GARDENS 116 0
AQUARION-ROLLING RIDGE 115 1
NINIGRET REALTY 109 0
CORNELL HILLS ASSOC, INC 108 2
AQUARION-WEST SHORE 100 0
BREEZY KNOLL ASSOCIATION 100 0
WESTON WATER SUPPLY 100 2
RHINEBECK MOBILE HOME COMMUNITY 100 0
CRESTWOOD ESTATES 100 2
BOYD COMMUNITY 100 0
AQUARION-CORNWALL 98 0
DORCHESTER ESTATES 87 0
AQUARION-FIELDSTONE RIDGE 84 0
AQUARION-QUARRY RIDGE 84 0
AQUARION-LAUREL RIDGE 80 0
NORTHSTONE GARDENS 79 3
AQUARION-BERKSHIRE 75 1
WOODCREEK VILLAGE CONDOMINIUM ASSN, INC 72 2
ESSEX GARDENS 72 2
LAKESIDE MANOR APARTMENTS 72 5
AQUARION-WOODRICH VILLAGE 72 0
APPLE VALLEY VILLAGE 70 0
ADAMS CROSSING MOBILE HOME PARK 70 0
AQUARION-JUDEA DEPOT 68 0
AQUARION-MCKEON 67 0
CEDAR TERRACE PROP OWNERS ASSN 66 4
AQUARION-BIRCHES 66 0
AQUARION-INTERLAKEN 64 0
ROCKTREE APARTMENTS 60 0
ALPINE HEIGHTS TRAILER PARK 60 0
COUNTRY ACRES MOBILE HOME PARK 60 0
DELLA MOBILE ESTATES 56 0
BROOKVIEW WATER COMPANY 55 1
ELMWOOD COURT, LLC 54 9
BREEZY HILLS COMMUNITY 51 0
HOLLOWVILLE MOBILE HOME PARK 50 0
PINE TREE MOBILE HOME PARK 44 0
HILLSIDE MOBILE HOME PARK 42 0
27 MAPLE DRIVE 38 0
BROOKFIELD HOUSING AUTHORITY 37 2
AQUARION-PARK GLEN 37 0
39 HOP BROOK RD - APT COMPLEX 36 7
TASHUA VILLAGE ASSOCIATION, INC. 35 0
WACCABUC FARMS INC. 26 5

TRI Facilities (46)

# Facility Total Releases
1 Tradebe Treatment & Recycling of Bridgeport LLC 223.2K lbs
2 King Industries Inc 150.6K lbs
3 Memry DBA Resonetics LLC 123.4K lbs
4 Talalay Global 91.1K lbs
5 Rsa Corp 75.8K lbs
6 Hampford Research Inc 70.6K lbs
7 Resin Solutions LLC - Stratford Facility 61.9K lbs
8 Lex Products Corp 51.5K lbs
9 Pseg Power Connecticut LLC Bridgeport Harbor Station 42.2K lbs
10 Bridgeport Fittings LLC 39.1K lbs
11 Schaeffler Aerospace USA Corp 35.5K lbs
12 Vanderbilt Chemicals LLC 33.6K lbs
13 Sikorsky Aircraft Stratford Facility 30.8K lbs
14 Spartech LLC 28.5K lbs
15 Greenfield Global USA Inc. 23.8K lbs
16 Superior Plating Co 9.6K lbs
17 Bridgeport Harbor Station Unit 5 9.0K lbs
18 Sprague Bridgeport Terminal 8.8K lbs
19 Stanley Engineered Fastening LLC 3.9K lbs
20 Cs Clean Solutions Inc. 3.0K lbs
21 Federal Correctional Institution 1.7K lbs
22 American Heat Treating Inc 950 lbs
23 Safety-Kleen Systems Inc 699 lbs
24 Bedoukian Research Inc. 681 lbs
25 Amphenol Rf Inc 607 lbs
26 Lex Products LLC 590 lbs
27 Palmero Health 500 lbs
28 Sandvik Wire and Heating Technologies 313 lbs
29 Asml US LP 202 lbs
30 Anco Engineering Inc. 169 lbs
31 Burndy LLC 132 lbs
32 US Chrome Corp of Connecticut 67 lbs
33 Biomerics Nle LLC 8 lbs
34 O&g Industries Inc. 1 lbs
35 Jelliff Corp 1 lbs
36 O&g Industries Inc. 0 lbs
37 Tilcon Connecticut Inc 0 lbs
38 Sealed Air 0 lbs
39 Seymour Sheridan Inc 0 lbs
40 Wiring Device - Kellems Hubbell 0 lbs
41 Tilcon Connecticut Inc 0 lbs
42 Mica Corp 0 lbs
43 Connecticut Anodizing & Finishing Co. Inc. 0 lbs
44 Vitta Corp 0 lbs
45 O&g Industries Inc 0 lbs
46 Belimo Aircontrols 0 lbs

Cities in Fairfield (12)

Monroe
Pop: -
3 facilities · 8 water
Newtown
Pop: -
2 facilities · 2 water
Shelton
Pop: -
5 facilities · 68 water
Southport
Pop: -
2 facilities · 0 water
Stratford
Pop: -
6 facilities · 0 water
Bridgeport
Pop: -
7 facilities · 1 water
Bethel
Pop: -
5 facilities · 4 water
Brookfield
Pop: -
1 facilities · 5 water
Danbury
Pop: -
11 facilities · 13 water
Norwalk
Pop: -
1 facilities · 2 water
Wilton
Pop: -
1 facilities · 2 water
Stamford
Pop: -
2 facilities · 24 water

Frequently Asked Questions

What is the environmental risk level in Fairfield, Connecticut? ▼
Fairfield, CT has an environmental risk score of 67/100 (High Risk), based on 46 TRI facilities, 0 Superfund sites, and 133 water systems on record. 45 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Fairfield? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Fairfield, CT in the EPA database.
How many toxic release facilities are in Fairfield? ▼
Fairfield, CT has 46 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 1.1M lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Fairfield? ▼
In 2024, Fairfield, CT recorded a median AQI of 42 and a peak AQI of 154. 68% of monitored days had "Good" air quality (AQI 0–50). Source: EPA Air Quality System (AQS) Annual AQI by County.
Is the drinking water safe in Fairfield? ▼
Fairfield, CT has 133 EPA-regulated water systems. 45 systems have reported health-based violations (MCL exceedances). A past violation does not necessarily mean water is currently unsafe. For current water quality, contact your local water utility. Source: EPA SDWIS.
What environmental agencies cover Fairfield? ▼
Environmental compliance in Fairfield, Connecticut is overseen by the U.S. Environmental Protection Agency (EPA) at the federal level and the Connecticut state environmental agency. Facilities report to the EPA Toxic Release Inventory, water systems are regulated under the Safe Drinking Water Act, and contaminated sites are managed under the Superfund program. Contact your state environmental agency for local concerns.

What does this county environmental profile show?

This county environmental profile rolls up EPA Toxics Release Inventory facility reports, Safe Drinking Water Information System public-water-system filings, and Superfund National Priorities List sites for the county boundary defined by the U.S. Census Bureau. Facility counts reflect facilities with a reporting address inside the county, not where downstream environmental effects may be observed. Population figures are from the most recent Census ACS 5-year estimate. The county detail page is updated whenever the upstream EPA programs publish revised data; see the methodology page for the documented ingest cadence and the editorial choices governing how aggregations are computed.

Related Guides

Understanding EPA Data
How EPA collects and publishes environmental data
Environmental Justice
Who lives near polluters and environmental hazards
How to Check Environmental Quality
Step-by-step guide to checking your local environment

Read our methodology - how this data is sourced, computed, and verified.

Related

Browse all → | Rankings →
Data sourced from U.S. EPA environmental datasets. See our methodology for details. Retrieved and formatted by PlainEnviro Editorial