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Review government records associated with Hermantown, Minnesota.
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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 Hermantown, MN from EPA SDWIS.
Hermantown
No active drinking-water issues detected in EPA SDWIS.
Reviewed: active/open records as of Q1 2026
Purchased or imported water record · Serves 7,215 people
Data from EPA SDWIS
PFAS screening separates EPA UCMR5 drinking-water monitoring from nearby DoD PFAS investigation-site records.
Drinking Water PFAS Monitoring
EPA UCMR5 samples public water systems. These results are separate from nearby PFAS cleanup or investigation-site records.
No EPA UCMR5 PFAS detection records shown for these water systems.
Reviewed: source records as of Q1 2026
Nearby PFAS Investigation Sites
DoD records are nearby site investigations, not Hermantown drinking-water detections. Record names come from the source database and can be broad.
Duluth International Airport
Air Force · National Guard
Known detection in the DoD source record
Remedial investigation underway
Estimated investigation end date: 2048-09
No health-relevant impairment records shown among the assessment records in this report.
Reviewed: source records as of 2026
Reviewed: source records as of Q4 2025
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.
St. Louis 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
No EPA nonattainment designation records shown for this report.
EPA annual monitor summaries describe past measurements. For current air quality, see AirNow.
Fond Du Lac Band — Cloquet, Minnesota
Annual mean: 0.037 Parts per million
Observation year: 2025
Annual mean: 7.3 Micrograms/cubic meter (LC)
Observation year: 2025
Laura Macarthur School — Duluth, Minnesota
Annual mean: 9.7 Micrograms/cubic meter (LC)
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 matching Clean Air Act-regulated facility records surfaced for this city report.
Reviewed: source 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.
Cirrus Design Corp/Cirrus Aircraft
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 110009259113
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.
No records shown in this group.
Reviewed: status dates within last 5 years
Data from MSHA
St. Louis County, MN
EPA Radon Zone Map (June 2024 release)
St. Louis County is EPA Radon Zone 2 (moderate potential). EPA defines Zone 2 counties as having predicted average indoor screening levels between 2 pCi/L and 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.
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.
St. Louis County, MinnesotaPop. 199,532
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 | 7,826 | 6,117 | 7,972 |
| Poor or Fair Health | 13.6% | 11.7% | 14.2% |
| Poor Physical Health Days | 3.2 | 2.7 | 3.3 |
| Poor Mental Health Days | 5.1 | 4.3 | 4.8 |
| Adult Smoking | 18.3% | 13.9% | 15.0% |
| Adult Obesity | 34.6% | 32.4% | 34.0% |
| Air Pollution - Particulate Matter | 6.1 | 6.1 | 7.3 |
| Drinking water violation indicator | No | N/A | N/A |
| Diabetes Prevalence | 8.8% | 7.9% | 9.6% |
| Life Expectancy | 77.7 | 79.7 | 77.6 |
This report does not have PFAS sample results for the candidate water systems in Hermantown.
Check with the utility that serves your address for its testing results.
The EPA drinking water records available here list no violations for Hermantown.
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 Hermantown.
The monitoring station at Fond du Lac Band, Cloquet, Minnesota recorded an annual average of 0.037 Parts per million for ozone in 2025.
The monitoring station at Fond du Lac Band, Cloquet, Minnesota recorded an annual average of 7.3 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The monitoring station at Laura MacArthur School, Duluth, Minnesota recorded an annual average of 9.7 Micrograms/cubic meter (LC) for fine particles (PM2.5) in 2025.
The radon data for Hermantown covers St. Louis County. EPA places this area in Zone 2, with a predicted average indoor radon screening level of 2 to 4 picocuries per liter.
This city report shows 1 Superfund site: Arrowhead Refinery Co..
No brownfield sites were returned for this city report.
The county data for Hermantown reports a life expectancy of 77.7 years in St. Louis 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 Hermantown reports 7,826 years of life lost to deaths before age 75 per 100,000 residents in St. Louis 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 Hermantown lists fine-particle pollution (PM2.5) at 6.1 micrograms per cubic meter in St. Louis County, Minnesota.
The figure is from the 2024 edition of County Health Rankings, a University of Wisconsin program that publishes county health statistics.