Osseo, MN: High Radon Risk — 69/100 (2026)
3 ZIP codes · 3 water systems · Updated 2026-06-03
Osseo shows moderate tap water quality for MN — some areas carry documented EPA violations while others meet standards without issues.
How Osseo Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Osseo Residents
- Average lead level: 0.001 mg/L.
- Homes built before 1986: 40% — older plumbing may contain lead solder.
- Estimated remediation: $2,333 per household.
- CDC health risk index: 10.25.
Osseo's Water Providers
Residential addresses in Osseo, MN are served by 3 primary water providers out of 3 systems in federal records. Each system maintains separate infrastructure and files its own EPA compliance reports, so service conditions are not uniform across the city.
Overview
We track water quality and home safety data for 3 ZIP codes in Osseo, Minnesota, covering 3 community water systems serving approximately 76,584 people.
No EPA violations recorded across any ZIP codes in Osseo — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Osseo: C (69/100)
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
Osseo water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 3 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 55311 | B | Rogers | 14,430 |
| 55369 | B | Osseo | 2,650 |
| 55569 | C | Osseo | 2,650 |
All ZIP Codes in Osseo
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.
Osseo Community Health Snapshot
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
Osseo Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Over the decades, Osseo accumulated housing from multiple construction periods. The median build year of 1989 places the midpoint of that stock near the 1986 threshold when lead solder in plumbing became federally prohibited — leaving a sizable share of homes on each side of that safety line.
Most homes in Osseo were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Osseo
Remediation costs in Osseo are small relative to typical property values — the cost-to-value ratio here is favorable.
Remediation costs in Osseo are relatively low compared to home values. The $1,533–$3,233 estimated range is a small fraction of median property value. Home values are 95% above the Minnesota average.
Osseo: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Before the federal solder ban, lead solder was a routine plumbing material, and 40% of the Osseo inventory was built in that earlier era — a share large enough to move household-level reads onto the standard list.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Osseo: Flood History & Water Damage Risk
Flood activity in Osseo is neither negligible nor at the level of the highest-exposure areas in the NFIP dataset. The 8-claim record and 67% flood zone coverage suggest a community that has experienced recurrent events but has not faced the kind of sustained, severe exposure where water-supply contamination becomes a primary public health concern. It sits in a middle range where flood history merits inclusion in any complete local water quality picture.
Osseo has a moderate flood history with 8 FEMA claims averaging $2,459 per payout. 67% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$2,333</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Osseo
- 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. With 40% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Osseo, MN