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Review government records associated with Naugatuck, Connecticut.
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Check your water bill for your utility name and confirm the reporting year. See EPA’s guide to finding your annual water quality report.
Public water-system records for Naugatuck, CT from EPA SDWIS.
Ctwc - Naugatuck Reg-Collinsville Sys
PFAS above an official threshold detected in available EPA records.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 6,324 people
Ctwc - Naugatuck Region-Central System
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 22,735 people
Ctwc - Naugatuck Reg-Terryville System
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City appears in system name · Serves 5,607 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records; EPA samples shown are from Feb 2023 to Aug 2023.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
4 PFAS sample results above EPA limits
Sample period: Feb 2023 to Aug 2023
UCMR5 results are sampled by public water system, not every household. Confirm your water provider before treating these as tap-water results for a specific address.
| Chemical | Concentration (µg/L) | EPA Limit (µg/L) | Sample date | Over Limit |
|---|---|---|---|---|
| PFOS | 0.0056 | 0.0040 | 2023-02-14 | Yes |
| PFOS | 0.0052 | 0.0040 | 2023-08-08 | Yes |
| PFOA | 0.0049 | 0.0040 | 2023-02-14 | Yes |
| PFOA | 0.0044 | 0.0040 | 2023-08-08 | Yes |
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Naugatuck drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
EPA ATTAINS records identify assessed water bodies that do not meet water-quality standards for designated uses.
Long Meadow Pond Brook-Naugatuck River
Reported: Nov 2026
Health-relevant causes: Pathogens
Affected uses: Ecological, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Data from EPA ECHO
To investigate water contamination, check the sampling locations, dates and results below. For tap water records, see Drinking water quality above.
Reviewed: source records as of 2026
Review historical EPA air pollution records, including monitoring and facility emissions where available. For current conditions, check local air quality on AirNow.
New Haven County
Assessment year: 2020
According to EPA, a cancer risk of 30-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 30 may develop cancer from that exposure. This is in addition to cancer risk from all other causes.
Top modeled source groups
Data from EPA AirToxScreen
EPA designations apply to a specific pollutant and federal air quality standard (NAAQS). EPA can issue a clean-data determination while a formal designation remains in effect.
New York-Northern New Jersey-Long Island: Ozone
NonattainmentSerious8-Hour Ozone (2015 Standard)
Original designation: Aug 2018
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
New York-N. New Jersey-Long Island: Ozone
NonattainmentSevere 158-Hour Ozone (2008 Standard)
Original designation: Jul 2012
Health effects (EPA): Respiratory inflammation, aggravation of asthma, reduced lung function (EPA)
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
New Haven-Meriden-Waterbury Area
CO · Carbon Monoxide (1971 Standard)
Classification: Not Classified
Original designation: Nov 1990
Current design value: 1.7 ppm (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Criscuolo Park-New Haven
Annual mean: 0.2 Parts per million
Observation year: 2025
Annual mean: 0.5 Parts per billion
Observation year: 2025
Annual mean: 24.8 Parts per billion
Observation year: 2025
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
Air Violations
Last inspected: Dec 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Electric Cable Compounds Inc
Reported: 2024
Hubbard-Hall Inc
Reported: 2024
O&G Industries Inc.
Reported: 2024
EPA records for current, proposed and formerly listed Superfund sites on the National Priorities List (NPL).
Open data source: Search EPA ECHOEPA FRS Registry ID 110009272349
Reported: Nov 2021
Brownfield sites are properties where redevelopment is complicated by the presence of hazardous substances.
Open data source: Search EPA ECHO3 sites with active cleanup or investigation status
251 Rubber Ave, Naugatuck
Reported: Feb 2026
27 Andrew Ave, Naugatuck
Reported: Feb 2026
6 Rubber Ave, Naugatuck
Reported: Feb 2026
Facilities with hazardous-waste handler records under RCRA in the reviewed 5-mile city-center search area. Active handler status is separate from air, water, or other ECHO compliance violations, which are shown in their own sections.
Active RCRA handler records in the reviewed city search area
No release reports shown in this group.
Reviewed: active/open records as of 2018
Data from EPA UST Finder
Reviewed: reporting year 2024
Sites regulated by the Mine Safety and Health Administration, including mines, sand and gravel operations, and portable crushers. Status and type are from the MSHA Mine Data Retrieval System. Records with active/intermittent status dates older than 5 years are shown as older records rather than current active sites.
More MSHA records matched the search than this preview shows.
Recently updated active/intermittent sites (1)
Data from MSHA
New Haven County, CT
EPA Radon Zone Map (June 2024 release)
New Haven County is EPA Radon Zone 1 (highest potential). EPA defines Zone 1 counties as having predicted average indoor screening levels above 4 pCi/L.
Radon levels can vary from home to home, so EPA recommends testing the property to know its indoor level.
FEMA flood zones describe mapped flood hazards. Look up a specific address with FEMA.
Special Flood Hazard Area — 1% annual chance of flooding (100-year floodplain) with base flood elevation.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
EPA ECHO lists facilities linked to the Risk Management Program. Results include facilities with locations that can be matched. Records may be historical. Current operations, chemical inventories, and recent accident history are unverified.
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No records dated within the last 5 years surfaced for this city report.
Reviewed: last 5 years
Data from PHMSA
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
New Haven County, ConnecticutPop. 863,700
County Health Rankings edition: 2024
Premature Death
Poor or Fair Health
Poor Physical Health Days
Poor Mental Health Days
Adult Smoking
Adult Obesity
Air Pollution - Particulate Matter
Drinking water violation indicator
Diabetes Prevalence
Life Expectancy
| Indicator | County | State | National |
|---|---|---|---|
| Premature Death | 7,362 | 6,480 | 7,972 |
| Poor or Fair Health | 13.0% | 11.8% | 14.2% |
| Poor Physical Health Days | 3.2 | 2.9 | 3.3 |
| Poor Mental Health Days | 4.7 | 4.4 | 4.8 |
| Adult Smoking | 14.8% | 11.5% | 15.0% |
| Adult Obesity | 31.4% | 30.6% | 34.0% |
| Air Pollution - Particulate Matter | 7.9 | 7.4 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 9.2% | 9.3% | 9.6% |
| Life Expectancy | 78.5 | 79.6 | 77.6 |
EPA testing found PFAS in water samples from Ctwc-Naugatuck Reg-Collinsville Sys. Results dated Feb 14, 2023 to Aug 8, 2023 include PFOS at 0.0052 to 0.0056 micrograms per liter and PFOA at 0.0044 to 0.0049 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 2 violations for Ctwc-Naugatuck Reg-Collinsville Sys.
EPA drinking water records on this page list 1 violation for Ctwc-Naugatuck Region-Central System.
The EPA drinking water records available here list no violations for Ctwc-Naugatuck Reg-Terryville System.
Check your water bill to identify the utility serving your address. Ask that utility about current drinking water advisories.
Nearby EPA monitoring stations provide annual air quality measurements for Naugatuck.
The monitoring station at Criscuolo Park-New Haven recorded an annual average of 0.2 Parts per million for carbon monoxide in 2025.
The monitoring station at Criscuolo Park-New Haven recorded an annual average of 0.5 Parts per billion for sulfur dioxide in 2025.
The monitoring station at Criscuolo Park-New Haven recorded an annual average of 24.8 Parts per billion for nitrogen dioxide in 2025.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Naugatuck covers New Haven County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
This city report shows 1 Superfund site: Laurel Park Landfill.
This city report shows 3 brownfield sites: 251 Rubber Ave; 27 Andrew Ave; 6 Rubber Ave.
View on EPA ECHOView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Naugatuck reports a life expectancy of 78.5 years in New Haven County, Connecticut.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Naugatuck reports 7,362 years of life lost to deaths before age 75 per 100,000 residents in New Haven County, Connecticut. This measure adds up the years lost to early deaths and adjusts for differences in population age.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
The county data for Naugatuck lists fine-particle pollution (PM2.5) at 7.9 micrograms per cubic meter in New Haven County, Connecticut.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.
Federal pipeline records list an incident involving Yankee Gas Services Co near Naugatuck on Mar 18, 2013. The reported release was natural gas.