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Review government records associated with Stillwater, Minnesota.
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Preparing Stillwater environmental records...
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 Stillwater, MN from EPA SDWIS.
Stillwater
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City listed in EPA records · Serves 19,462 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 Dec 2024 to Jun 2025.
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: Dec 2024 to Jun 2025
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 | 0.0081 | 0.0040 | 2025-06-02 | Yes |
| PFOS | 0.0070 | 0.0040 | 2024-12-10 | Yes |
| PFOA | 0.0052 | 0.0040 | 2024-12-10 | Yes |
| PFOS | 0.0043 | 0.0040 | 2024-12-10 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Stillwater 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.
Silver Creek-Saint Croix River
Reported: Nov 2026
Health-relevant causes: Mercury, Pathogens, Per- And Polyfluoroalkyl Substances (pfas), Polychlorinated Biphenyls (pcbs)
Affected uses: Ecological, Fishconsumption, Recreation
Data from EPA ATTAINS
NPDES permits regulate pollutant discharges into U.S. waterways. Facilities must report compliance quarterly.
No NPDES-permitted facility records with current violation flags surfaced for this city report.
Reviewed: active/open records as of Q4 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 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 designates an area as nonattainment when air quality does not meet federal health-based standards (NAAQS) for a specific pollutant.
Maintenance areas
Previously nonattainment; currently meeting the standard and monitored under an EPA maintenance plan.
Minneapolis-St. Paul Area
CO · Carbon Monoxide (1971 Standard)
Classification: Moderate <= 12.7ppm
Original designation: Nov 1990
Current design value: 2.5 ppm (2023-2025)
Data from EPA Green Book
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Andersen School — Minneapolis, Minnesota
Annual mean: 9.0 Micrograms/cubic meter (LC)
Observation year: 2025
Anoka County Airport — Blaine, Minnesota
Annual mean: 0.1 Parts per million
Observation year: 2025
Annual mean: 0.7 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.
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.
Xcel Energy A. S. King Generating Plant
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 ECHO1 site with active cleanup or investigation status
186 Mulberry St, Stillwater
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
No MSHA mine or extraction site records shown for this report.
Washington County, MN
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). No base flood elevation determined.
Results use an earlier stored RMP inventory. Current EPA ECHO location coverage is unverified.
No EPA ECHO RMP facility records with a usable location matched this city report.
Health outcomes from County Health Rankings. Values shown alongside state and national averages.
Washington County, MinnesotaPop. 275,912
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 | 4,663 | 6,117 | 7,972 |
| Poor or Fair Health | 9.8% | 11.7% | 14.2% |
| Poor Physical Health Days | 2.7 | 2.7 | 3.3 |
| Poor Mental Health Days | 4.3 | 4.3 | 4.8 |
| Adult Smoking | 12.5% | 13.9% | 15.0% |
| Adult Obesity | 30.9% | 32.4% | 34.0% |
| Air Pollution - Particulate Matter | 8.0 | 6.1 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 7.3% | 7.9% | 9.6% |
| Life Expectancy | 81.5 | 79.7 | 77.6 |
EPA testing found PFAS in water samples from Stillwater. Results dated Dec 10, 2024 to Jun 2, 2025 include PFBA at 0.0666 to 0.118 micrograms per liter and PFOS at 0.0043 to 0.0081 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 4 violations for Stillwater.
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 Stillwater.
The monitoring station at Andersen School, Minneapolis, Minnesota recorded an annual average of 9 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Anoka County Airport, Blaine, Minnesota recorded an annual average of 0.1 Parts per million for carbon monoxide in 2025.
The monitoring station at Anoka County Airport, Blaine, Minnesota recorded an annual average of 0.7 Parts per billion for sulfur dioxide in 2025.
The radon data for Stillwater 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 1 brownfield site: Stillwater City Dump.
The county data for Stillwater reports a life expectancy of 81.5 years in Washington County, Minnesota.
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 Stillwater reports 4,663 years of life lost to deaths before age 75 per 100,000 residents in Washington County, Minnesota. 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 Stillwater lists fine-particle pollution (PM2.5) at 8.0 micrograms per cubic meter in Washington County, Minnesota.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.