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Review government records associated with Mendota Heights, Minnesota.
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Preparing Mendota Heights 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 Mendota Heights, MN from EPA SDWIS.
Saint Paul Regional Water Services
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 392,529 people
Woodbury
Active monitoring or reporting issue detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 82,643 people
Minneapolis
PFAS detected below the official threshold used by this report.
Reviewed: active/open records as of Q1 2026
City-area ZIP code · Serves 425,300 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 Mar 2023 to Dec 2024.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
23 PFAS sample results above EPA limits
Sample period: Mar 2023 to May 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 | 0.0171 | 0.0040 | 2023-03-13 | Yes |
| PFHxS | 0.0170 | 0.0100 | 2023-09-19 | Yes |
| PFOA | 0.0139 | 0.0040 | 2023-03-14 | Yes |
| PFHxS | 0.0130 | 0.0100 | 2023-03-13 | Yes |
| PFOA | 0.0118 | 0.0040 | 2023-09-19 | Yes |
| PFOA | 0.0111 | 0.0040 | 2023-09-07 | Yes |
| PFOA | 0.0097 | 0.0040 | 2023-03-13 | Yes |
| PFOA | 0.0087 | 0.0040 | 2023-03-14 | Yes |
| PFOA | 0.0086 | 0.0040 | 2023-09-19 | Yes |
| PFOA | 0.0086 | 0.0040 | 2023-03-14 | Yes |
| PFOS | 0.0084 | 0.0040 | 2023-03-13 | Yes |
| PFOA | 0.0083 | 0.0040 | 2023-09-07 | Yes |
| PFOA | 0.0082 | 0.0040 | 2023-09-19 | Yes |
| PFOA | 0.0076 | 0.0040 | 2023-03-13 | Yes |
| PFOA | 0.0069 | 0.0040 | 2023-03-13 | Yes |
| PFOA | 0.0059 | 0.0040 | 2023-09-07 | Yes |
| PFOA | 0.0058 | 0.0040 | 2023-09-19 | Yes |
| PFOA | 0.0057 | 0.0040 | 2023-03-14 | Yes |
| PFOS | 0.0057 | 0.0040 | 2023-09-07 | Yes |
| PFOA | 0.0056 | 0.0040 | 2023-09-07 | Yes |
| PFOS | 0.0055 | 0.0040 | 2023-03-14 | Yes |
| PFOA | 0.0050 | 0.0040 | 2024-05-28 | Yes |
| PFOA | 0.0043 | 0.0040 | 2023-09-07 | Yes |
PFAS detections below EPA limits.
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Mendota Heights 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.
Harriet Island-Mississippi River
Reported: Nov 2026
Health-relevant causes: Mercury, Metals (other Than 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.
Dakota 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.
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.
Air Violations
Last inspected: Dec 2025
Data from EPA ECHO
Reviewed: source records as of 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 110071101754
Reported: Nov 2021
Reviewed: source query run Nov 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
Dakota County, MN
EPA Radon Zone Map (June 2024 release)
Dakota 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.
No FEMA flood-zone records shown for this report.
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.
Dakota County, MinnesotaPop. 443,341
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 | 5,004 | 6,117 | 7,972 |
| Poor or Fair Health | 10.6% | 11.7% | 14.2% |
| Poor Physical Health Days | 2.6 | 2.7 | 3.3 |
| Poor Mental Health Days | 4.2 | 4.3 | 4.8 |
| Adult Smoking | 13.0% | 13.9% | 15.0% |
| Adult Obesity | 32.1% | 32.4% | 34.0% |
| Air Pollution - Particulate Matter | 7.0 | 6.1 | 7.3 |
| Drinking water violation indicator | Yes | N/A | N/A |
| Diabetes Prevalence | 7.6% | 7.9% | 9.6% |
| Life Expectancy | 81.1 | 79.7 | 77.6 |
EPA testing found PFAS in water samples from Saint Paul Regional Water Services. Results dated Sep 13, 2023 to Jun 11, 2024 include PFBA at 0.0104 to 0.0202 micrograms per liter and PFPeA at 0.003 micrograms per liter.
EPA testing found PFAS in water samples from Woodbury. Results dated Mar 13, 2023 to Dec 17, 2024 include PFBA at 0.0199 to 0.386 micrograms per liter and PFPeA at 0.0057 to 0.0172 micrograms per liter.
EPA testing found PFAS in water samples from Minneapolis. Results dated Jun 21, 2023 to Jul 16, 2024 include PFBA at 0.0054 to 0.012 micrograms per liter.
Check with the utility that serves your address for its testing results.
EPA drinking water records on this page list 15 violations for Saint Paul Regional Water Services.
EPA drinking water records on this page list 3 violations for Woodbury.
EPA drinking water records on this page list 2 violations for Minneapolis.
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 Mendota Heights.
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.
Download 2025 EPA annual monitor dataCurrent air quality on AirNow
The radon data for Mendota Heights covers Dakota 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: Twin Cities Air Force Reserve Base (Small Arms Range Landfill).
No brownfield sites were returned for this city report.
The county data for Mendota Heights reports a life expectancy of 81.1 years in Dakota 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 Mendota Heights reports 5,004 years of life lost to deaths before age 75 per 100,000 residents in Dakota 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 Mendota Heights lists fine-particle pollution (PM2.5) at 7.0 micrograms per cubic meter in Dakota County, Minnesota.
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 Northern States Power Co of Minnesota near Mendota Heights on Feb 1, 2010. The reported release was natural gas.
Federal pipeline records list an incident involving Northern States Power Co of Minnesota near Mendota Heights on Jul 6, 2020. The reported release was natural gas.