PlainEnviro

Litchfield, CT

Moderate Risk (51/100)

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 Litchfield in Connecticut

Litchfield, CT is tracked across three EPA datasets covering 23 Toxics Release Inventory (TRI) facilities, 44 Safe Drinking Water Act systems, and 0 Superfund National Priorities List sites. Together these generate an environmental burden score of 51/100 (Moderate Risk), calibrated against national distributions for facility density, chemical release volume, Superfund concentration, and water-system health violations.

Industrial disclosures inside the county total 723.6K lbs of reported toxic releases under EPCRA Section 313, while 19 water systems carry an active health-based violation in the SDWIS record. EPA Air Quality System monitors logged a median AQI of 38 and a peak AQI of 119 in 2024, with 84% 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
23
Water Systems
44
Superfund Sites
0
Total Releases
723.6K 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 305 (84%) 49 8 119
2023 285 (78%) 72 3 183
2022 308 (84%) 54 3 108
2021 300 (82%) 61 3 142
2020 300 (83%) 62 0 84
2024 Good Air Quality: 84% of days
Unhealthy days: 8
Median AQI: 38

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 (44)

System Population Violations
WATERTOWN WATER & SEWER AUTHORITY 9,972 0
WINSTED WATER WORKS 7,784 1
WATERTOWN FIRE DISTRICT 6,718 0
WOODLAKE TAX DISTRICT 912 0
SHARON WATER & SEWER COMMISSION 803 2
KENT SCHOOL CORP (VALLEY CAMPUS) 722 1
WATERTOWN WATER & SEWER - WESTGATE 600 0
SALISBURY SCHOOL 520 0
SUNNY VALLEY TAX DISTRICT 500 7
VILLAGE MARKET PLACE 462 2
RUMSEY HALL SCHOOL 398 0
CANDLEWOOD TRAILS ASSOCIATION, INC. 312 0
BIRCH GROVES ASSOCIATION, INC 300 2
THE FREDERICK GUNN SCHOOL, INC. 300 0
OLD FARMS CONDOMINIUM ASSOCIATION INC 285 0
WOODBURY KNOLL, LLC. 258 1
SOUTH KENT SCHOOL 228 1
THE MARVELWOOD SCHOOL 220 0
LINDHBROOK WATER COMPANY 200 6
CANDLEWOOD SPRINGS PROPERTY OWNERS ASSN 148 0
NEW PRESTON WATER CO 139 0
BROOKWOODS II 120 0
BEE BROOK CROSSING CONDOMINIUMS 120 0
HERITAGE HILL CONDOMINIUM ASSN, INC 120 1
QUASSUK HEIGHTS CONDOMINIUM ASSN 108 0
FERNWOOD REST HOME 107 1
BANTAM VILLAGE 96 0
ARROW POINT WATER CO 84 1
NORTH PURCHASE ELDERLY HOUSING 72 0
WOODHALL SCHOOL, INC 68 3
CHATFIELD HILL ASSN., INC. 68 0
LITTLE BROOK RD PROPERTY OWNERS ASSN 64 2
SHARON RIDGE APARTMENTS 62 0
COUNTRY COURT MOBILE HOME PARK 62 2
KUGEMAN VILLAGE 54 0
BRIDGEWATER COMMONS CONDOMINIUMS 51 2
BARKHAMSTED HILLS LLC 50 0
LYME ACADEMY APARTMENTS,LLC 48 4
TOUCHSTONE N.A.F.I. 43 0
DODGE FARM 42 0
GARDEN LANE APARTMENTS 40 0
ELDRIDGE ELDERLY HOUSING 40 1
CROSS RESIDENTIAL HOMES LLC 40 0
BERNHARDT MEADOW 36 2

TRI Facilities (23)

# Facility Total Releases
1 Unimetal Surface Finishing LLC 644.8K lbs
2 Summit Corp of America 21.0K lbs
3 Shurtape Technologies LLC 17.0K lbs
4 Fuelcell Energy 13.2K lbs
5 Fjc Services LLC 12.5K lbs
6 Whyco Finishing Technologies 8.2K lbs
7 Rbc Aircraft Products Inc 2.9K lbs
8 Howmet Castings & Services Inc. 2.0K lbs
9 Philson Inc 1.5K lbs
10 Minteq/specialty Minerals 361 lbs
11 Electric Motion Co Inc. 88 lbs
12 Petron Automation Inc 15 lbs
13 Bomar Specialties LLC 5 lbs
14 Stewart Efi Ct LLC 4 lbs
15 Altek Electronics Inc 1 lbs
16 O&g Industries Inc. 1 lbs
17 Apg New England 1 lbs
18 Sterling Sintered Technologies Inc 0 lbs
19 Aladdin Manufacturing Carpet Cushion - Torrington Ct 0 lbs
20 Truelove & Maclean Inc 0 lbs
21 Braxton Manufacturing Coinc 0 lbs
22 Cadence Inc 0 lbs
23 The Siemon Co 0 lbs

Cities in Litchfield (10)

Canaan
Pop: -
1 facilities · 0 water
North Canaan
Pop: -
1 facilities · 0 water
New Hartford
Pop: -
1 facilities · 1 water
Winsted
Pop: -
3 facilities · 1 water
Thomaston
Pop: -
4 facilities · 1 water
Terryville
Pop: -
1 facilities · 0 water
Torrington
Pop: -
5 facilities · 3 water
Harwinton
Pop: -
1 facilities · 1 water
Watertown
Pop: -
6 facilities · 3 water
Barkhamsted
Pop: -
0 facilities · 0 water

Frequently Asked Questions

What is the environmental risk level in Litchfield, Connecticut? ▼
Litchfield, CT has an environmental risk score of 51/100 (Moderate Risk), based on 23 TRI facilities, 0 Superfund sites, and 44 water systems on record. 19 water systems have health-based violations. Source: EPA TRI, SDWIS, and Superfund NPL.
Are there Superfund sites in Litchfield? ▼
No Superfund National Priorities List (NPL) sites are currently registered in Litchfield, CT in the EPA database.
How many toxic release facilities are in Litchfield? ▼
Litchfield, CT has 23 TRI-reporting facilities on record with the EPA Toxic Release Inventory, with a combined total of 723.6K lbs in reported toxic releases. TRI facilities self-report annual chemical release data to the EPA.
What is the air quality in Litchfield? ▼
In 2024, Litchfield, CT recorded a median AQI of 38 and a peak AQI of 119. 84% 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 Litchfield? ▼
Litchfield, CT has 44 EPA-regulated water systems. 19 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 Litchfield? ▼
Environmental compliance in Litchfield, 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

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