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Preparing New Haven environmental records...
Public environmental health records for water, air, land, infrastructure, incidents, and community indicators.
Toxin Scout summarizes public records from government and public datasets. Data can be delayed, incomplete, approximate, matched at non-parcel levels, or have accuracy problems as a result of this product's beta status, so verify important findings against the linked source records.
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Preparing New Haven environmental records...
Drinking water compliance, PFAS records, natural water body health, discharge permits, and water-quality monitoring records for New Haven.
Public water-system records for New Haven, CT from EPA SDWIS.
Regional Water Authority
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 418,900 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 Sep 2023 to Jun 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
8 PFAS sample results above EPA limits
Sample period: Sep 2023 to Jun 2024
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 | 0.0107 | 0.0040 | 2024-03-18 | Yes |
| PFOS | 0.0081 | 0.0040 | 2023-09-20 | Yes |
| PFOA | 0.0071 | 0.0040 | 2024-03-18 | Yes |
| PFOA | 0.0063 | 0.0040 | 2023-09-20 | Yes |
| PFOA | 0.0052 | 0.0040 | 2023-09-18 | Yes |
| PFOS | 0.0046 | 0.0040 | 2024-03-18 | Yes |
| PFOA | 0.0043 | 0.0040 | 2024-06-11 | Yes |
| PFOS | 0.0043 | 0.0040 | 2024-03-19 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not New Haven drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation site records surfaced within the search radius.
No health-relevant impaired water body records surfaced within 10 km in EPA ATTAINS.
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
Violation records
Last inspected: Dec 2025
Last inspected: Dec 2025
Data from EPA ECHO
Air quality data from EPA monitoring stations, facility emissions inventories, and area-level air-quality designations in this city.
This area meets EPA's National Ambient Air Quality Standards (NAAQS) for all criteria pollutants
No nonattainment designations apply to this location.
Cvh — Middletown, Connecticut
Annual mean: 0.0 ppm · EPA standard: 0.07 ppm
Annual standard context: 6 exceedance days recorded in the reporting period
Reported: Mar 2026
Hammonasset State Park — Madison (Town of), Connecticut
Annual mean: 0.0 ppm · EPA standard: 0.07 ppm
Annual standard context: 5 exceedance days recorded in the reporting period
Reported: Mar 2026
Usgs Lighthouse — Stratford (Town of), Connecticut
Annual mean: 0.0 ppm · EPA standard: 0.07 ppm
Annual standard context: 8 exceedance days recorded in the reporting period
Reported: Mar 2026
Data from EPA AQS
Facilities regulated under the Clean Air Act. CAA HPV flags indicate serious noncompliance such as exceeding emission limits.
No facility records with active violation or noncompliance flags surfaced in EPA ECHO.
Reviewed: active/open records as of Q4 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
American Greenfuels LLC
Reported: 2024
Covidien Lp
Reported: 2024
Current Inc
Reported: 2024
Contaminated sites, waste facilities, cleanup records, and industrial operations in this city.
Reviewed: source query run Jun 2026
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
100 River Street, New Haven
Reported: Feb 2026
112 Chapel Street, New Haven
Reported: Feb 2026
116 120 Haven St, New Haven
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 underground storage tank records with active/open release status surfaced within 2 miles.
Data from EPA UST Finder
Reviewed: reporting year 2024
Formerly Used Defense Sites are properties previously owned by, leased to, or otherwise possessed by the United States and under the jurisdiction of the Secretary of Defense. The FUDS program addresses environmental restoration at these properties.
Open data source: USACE FUDSReported: Jun 2026
Reported: Jun 2026
Flood-map status, chemical accident risk, nuclear facilities, pipeline incidents, and community health indicators in this city.
FEMA's National Flood Hazard Layer maps flood risk. Properties in a Special Flood Hazard Area are required to carry flood insurance if they have a federally backed mortgage.
Minimal flood hazard — outside the 1% and 0.2% annual chance floodplains.
Risk Management Program facilities handle extremely hazardous substances (e.g., chlorine, ammonia, propane). EPA requires these facilities to plan for worst-case chemical releases.
No facility records with recent chemical accidents surfaced for this property within the last five years.
Data from EPA ECHO
PHMSA tracks incidents involving natural gas and hazardous liquid pipelines. Incidents include leaks, ruptures, and explosions.
No pipeline incident records surfaced for this city report in the last 5 years.
Reviewed: last 5 years
Data from PHMSA