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Review government records associated with Hartford, Wisconsin.
Toxin Scout is in beta. Please verify important findings with the linked sources.
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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 Hartford, WI from EPA SDWIS.
Hartford Waterworks
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 15,805 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 2024 to Aug 2024.
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 2024 to Aug 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 |
|---|---|---|---|---|
| PFOA | 0.0068 | 0.0040 | 2024-02-19 | Yes |
| PFOA | 0.0062 | 0.0040 | 2024-08-20 | Yes |
| PFOS | 0.0055 | 0.0040 | 2024-02-19 | Yes |
| PFOS | 0.0046 | 0.0040 | 2024-08-20 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Hartford drinking-water detections. Record names come from the source database and can be broad.
No DoD PFAS investigation records shown for this report.
No health-relevant impairment records shown among the assessment records in this report.
Reviewed: source records as of 2026
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
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.
Washington County
Assessment year: 2020
According to EPA, a cancer risk of 20-in-1-million means that for every 1 million people continuously exposed to these air toxics over a 70-year lifetime, an estimated 20 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.
Historical designations under the revoked 1997 ozone standard
These records describe historical designations. EPA revoked the 1997 ozone standard on April 6, 2015.
Milwaukee-Racine Area
Historical standard: 0.08 ppm (8-hour)
Historical designation: Maintenance · Subpart 2/Moderate
Original designation: Jun 2004
Open data source: EPA final revocation ruleContinuing requirements have not been verified for this area.
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Grafton
Annual mean: 0.043 Parts per million
EPA primary exceedance count: 5 (Ozone 8-hour 2015)
Observation year: 2025
Horicon Wildlife Area — Kekoskee, Wisconsin
Annual mean: 0.1 Parts per million
Observation year: 2025
Annual mean: 0.4 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
Last inspected: Dec 2025
Data from EPA ECHO
TRI releases are self-reported annual totals (calendar year 2024). Hover fugitive or stack for definitions.
Broan-Nutone LLC
Reported: 2024
Eh Wolf & Sons Inc-Slinger Facility
Reported: 2024
Reviewed: source query run Nov 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
24 S Main Street, Hartford
Reported: Feb 2026
28 S Main Street, Hartford
Reported: Feb 2026
32 S Main Street, Hartford
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.
Recently updated active/intermittent sites (1)
Data from MSHA
Washington County, WI
EPA Radon Zone Map (June 2024 release)
Washington 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.
Reviewed: 2000-present
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Washington County, WisconsinPop. 137,688
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 | 5,664 | 7,082 | 7,972 |
| Poor or Fair Health | 10.7% | 12.7% | 14.2% |
| Poor Physical Health Days | 3.0 | 3.1 | 3.3 |
| Poor Mental Health Days | 4.5 | 4.8 | 4.8 |
| Adult Smoking | 13.5% | 13.8% | 15.0% |
| Adult Obesity | 33.3% | 33.5% | 34.0% |
| Air Pollution - Particulate Matter | 8.9 | 7.8 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 6.7% | 7.9% | 9.6% |
| Life Expectancy | 79.9 | 78.2 | 77.6 |
EPA testing found PFAS in water samples from Hartford Waterworks. Results dated Feb 19, 2024 to Aug 20, 2024 include PFOA at 0.0062 to 0.0068 micrograms per liter and PFHxS at 0.0036 to 0.0061 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 1 violation for Hartford Waterworks.
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 Hartford.
The monitoring station at Grafton recorded an annual average of 0.043 Parts per million for ozone in 2025.
The monitoring station at Horicon Wildlife Area, Kekoskee, Wisconsin recorded an annual average of 0.1 Parts per million for carbon monoxide in 2025.
The monitoring station at Horicon Wildlife Area, Kekoskee, Wisconsin recorded an annual average of 0.4 Parts per billion for sulfur dioxide in 2025.
The radon data for Hartford covers Washington County. EPA places this area in Zone 1, with a predicted average indoor radon screening level above 4 picocuries per liter.
No Superfund sites were returned for this city report.
This city report shows 3 brownfield sites: 24 S Main Street; 28 S Main Street; 32 S Main Street.
EPA Superfund recordsView on EPA ECHOView on EPA ECHOView on EPA ECHO
The county data for Hartford reports a life expectancy of 79.9 years in Washington County, Wisconsin.
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 Hartford reports 5,664 years of life lost to deaths before age 75 per 100,000 residents in Washington County, Wisconsin. 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 Hartford lists fine-particle pollution (PM2.5) at 8.9 micrograms per cubic meter in Washington County, Wisconsin.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.