ZipCheckup grade for 55340: C.
A mixed picture - some signals here are worth your attention.
Your top priority: test this home for radon. Check your ZIP → EPA radon map
Hamel, MN (55340): High Radon Potential Area - 67/100
EPA data combined for 3 water systems mapped to this ZIP (largest mapped system: Medina)
EPA records for the water systems mapped to 55340 in Hamel, MN contain zero recorded violations for inclusive record years 2021 through 2026. This does not establish that every category was monitored or published, and it does not cover events outside that source window.
Data source: U.S. Environmental Protection Agency (EPA) SDWIS
At a Glance
- Water No drinking-water violations in EPA records since 2021.
- Lead The reported 90th-percentile lead result is below the laboratory reporting limit, not a measured zero; EPA's health goal for lead is zero.
- Radon EPA Zone 1 - highest county-level potential. This is not a home measurement; test before any threshold comparison.
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Score Breakdown
Overall Home Safety Score: 67/100
This is the published model score. Component and domain values are shown independently; they are not added together on this page.
Canonical components
Required domains
Coverage: 4 of 4 components and 3 of 3 domains observed.
Model 4.0.0; series home-safety-v4-cross-vertical.
Safety & Health (7) HIGH
Your Water System
ZIP code 55340 in Hamel, Minnesota is mapped to the water system Medina (EPA ID: MN1270023). This system provides water to approximately 4,205 people from groundwater sources.
There are 3 community water systems serving this area.
Water Systems Serving This Area
| System Name | EPA ID | Population | Source |
|---|---|---|---|
| Medina | MN1270023 | 4,205 | Groundwater |
| SE Corcoran | MN1270075 | 2,964 | Groundwater |
| Loretto | MN1270019 | 637 | Groundwater |
Other Water Quality Reports in Minnesota
- 55001 (Afton)
- 55002 (Almelund)
- 55003 (Bayport) - 2 violations recorded for mapped water systems
- 55005 (Bethel)
- 55006 (Braham)
- 55007 (Brook Park)
- 55008 (Cambridge)
- 55009 (Cannon Falls)
- 55010 (Castle Rock)
- 55011 (Cedar) - 3 violations recorded for mapped water systems
- 55012 (Center City) - 1 violation recorded for mapped water systems
- 55013 (Chisago City) - 3 violations recorded for mapped water systems
- 55014 (Circle Pines) - 5 violations recorded for mapped water systems
- 55016 (Cottage Grove)
- 55017 (Dalbo)
- 55018 (Dennison)
- 55019 (Dundas) - 2 violations recorded for mapped water systems
- 55020 (Elko New Market)
- 55021 (Faribault) - 3 violations recorded for mapped water systems
- 55024 (Farmington)
Nearby Water Quality Reports
- 55357 (Loretto) - 5 mi
- 55446 (Minneapolis) - 5 mi
- 55311 (Osseo) - 6 mi - 2 violations recorded for mapped water systems
- 55356 (Long Lake) - 6 mi
- 55374 (Rogers) - 6 mi - 2 violations recorded for mapped water systems
- 55348 (Maple Plain) - 6 mi
- 55369 (Osseo) - 7 mi - 2 violations recorded for mapped water systems
- 55392 (Navarre) - 7 mi
- 55570 (Maple Plain) - 7 mi
- 55571 (Maple Plain) - 7 mi
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Medina (MN1270023) on EPA.gov.
5 of the top compounds applied across the surrounding county in USGS pesticide-use estimates appear on EPA drinking-water monitoring lists. See the agricultural pesticide-use section.
UCMR 5 PFAS monitoring: no reportable detections in available records
Available federal UCMR5 records for water systems mapped to ZIP code 55340 show no PFAS detections among the compounds tested, at the program's reporting levels.
The EPA Fifth Unregulated Contaminant Monitoring Rule (UCMR5) required community and non-transient non-community water systems serving 3,300 or more people to test for 29 PFAS compounds and lithium between 2023 and 2025. Systems with no detections at the federal minimum reporting level had no results at or above that reporting level.
Environmental Hazards (10) MODERATE
Home & Infrastructure (7) OK
Cost & Community (9) MODERATE
CPSC product recall notices
These national notices are not matched to this ZIP code or water system.
Frequently Asked Questions
Is the tap water in 55340 safe to drink?
EPA SDWIS records 0 violations since 2021 across the water systems mapped to ZIP 55340 (primary system: Medina), including 0 health-based. The violation table above shows which system each record belongs to. ZipCheckup last updated this page in July 2026. The federal source release date is unavailable, so that month is not presented as source currency.
Where does 55340's water come from?
The recorded water source for Medina, a system mapped to ZIP code 55340, is Groundwater. This system serves approximately 4,205 people.
How does Hamel water compare to the national average?
Hamel's Home Safety Score ranks lower than 65% of U.S. ZIP codes, and at or above 56% within Minnesota.
How can I get my water tested in Hamel?
If Medina supplies your home, contact it for its Consumer Confidence Report; otherwise contact the water utility that serves your address, or hire a certified lab for independent home water testing. The EPA recommends annual testing if you use a private well.
What is the radon risk for 55340?
55340 is mapped to a county in EPA Radon Zone 1 (high county-level radon potential; EPA recommends testing every home), located in Hennepin County. EPA radon zones range from Zone 1 (highest county-level potential) to Zone 3 (lowest). Testing your home is recommended regardless of zone.
How to cite this page
ZipCheckup. (2026). Hamel, MN (55340): High Radon Potential Area - 67/100. https://zipcheckup.com/report/55340/
@misc{zipcheckup-report-55340,
author = {{ZipCheckup}},
title = {{Hamel, MN (55340): High Radon Potential Area - 67/100}},
year = {2026},
url = {https://zipcheckup.com/report/55340/}
}
Page version: October 2026.
Nearby ZIP Code Reports
Water quality comparison for ZIP codes near 55340
| ZIP Code | City, State | Distance | Grade | Violations |
|---|---|---|---|---|
| 55357 | Loretto, MN | 4.9 mi | N/A | 0 |
| 55446 | Minneapolis, MN | 5.2 mi | N/A | 0 |
| 55311 | Osseo, MN | 5.9 mi | C | 2 |
| 55356 | Long Lake, MN | 6.1 mi | N/A | 0 |
| 55374 | Rogers, MN | 6.3 mi | C | 2 |
| 55348 | Maple Plain, MN | 6.4 mi | N/A | 0 |
| 55369 | Osseo, MN | 6.6 mi | C | 2 |
| 55392 | Navarre, MN | 6.7 mi | N/A | 0 |
| 55570 | Maple Plain, MN | 6.7 mi | N/A | 0 |
| 55571 | Maple Plain, MN | 6.7 mi | N/A | 0 |
Nearby ZIP Code Reports
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