Holmes City, MN: High Radon Risk — 40/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Monitoring data across Holmes City reveals a persistent pattern of below-average compliance in MN — multiple service areas carry documented health violations, and the data has shown little overall improvement over recent EPA reporting cycles.
How Holmes City Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Holmes City Water
- Estimated remediation: $1,200 per household.
- CDC health risk index: 12.98 — above typical levels.
Who Supplies Your Water in Holmes City
Across most of Holmes City, MN, residential water comes from a single utility. That provider sets rates, manages infrastructure maintenance, and files compliance reports with the EPA on behalf of the households it serves. Federal tracking data shows 1 system on record, but one carries the bulk of the service load.
Overview
We track water quality and home safety data for 1 ZIP code in Holmes City, Minnesota, covering 1 community water system serving approximately 264 people.
No EPA violations recorded across any ZIP codes in Holmes City — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Holmes City: D (40/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Holmes City water systems draw from: Groundwater.
Lead & Copper
- Lead data: not yet available for Holmes City
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 56341 | D | Kensington | 264 |
All ZIP Codes in Holmes City
- 56341 [D]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Holmes City
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What You Can Do in Holmes City
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Holmes City, MN