Olmsted County, Minnesota
11 ZIP codes · Avg score 67/100 · Grade C · Updated
ZipCheckup grade for Olmsted County: C.
A mixed picture - some signals here are worth your attention.
Based on current EPA data, Olmsted County's 11 ZIP codes reflect fair but mixed water safety.
How Olmsted County Compares
How Olmsted County Compares
Olmsted County scores 1 points below the Minnesota state average (68/100) and 6 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Olmsted County, Minnesota
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 11.5 (asthma 9.7%, diabetes 9.5%)
Estimated additional annual cost per homeowner: $1,591, driven primarily by flood
49.3% of homes built before 1978 (lead paint era)
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,591
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
67,563 housing units in Olmsted County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Olmsted County
Remediation costs are relatively manageable for most homeowners in Olmsted County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Olmsted County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Olmsted County
5 community water systems serving Olmsted County.
- C
- C
- C
- C
Systems with the most violations in Olmsted County
2 water systems with recorded EPA violations.
- C
All ZIP Codes in Olmsted County
11 ZIP codes tracked in Olmsted County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 55920 | Byron | 67 | C | 0 | $357K |
| 2 | 55976 | Stewartville | 67 | C | 0 | $278K |
| 3 | 55906 | Rochester | 66 | C | 2 | $350K |
| 4 | 55901 | Rochester | — | — | 4 | $290K |
| 5 | 55902 | Rochester | — | — | 0 | $430K |
| 6 | 55903 | Rochester | — | — | 0 | — |
| 7 | 55904 | Rochester | — | — | 0 | $237K |
| 8 | 55905 | Rochester | — | — | 0 | — |
| 9 | 55929 | Dover | — | — | $300K | |
| 10 | 55934 | Eyota | — | — | 0 | $301K |
| 11 | 55960 | Oronoco | — | — | 2 | $440K |
Recommended Buyer Guides for Olmsted County
Below: editorial picks, no sponsored placements.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Olmsted County, Minnesota
Overview
Olmsted County in Minnesota covers 11 tracked ZIP records with an average Home Safety Score of C (67/100) across 3 scored records.
3 of 10 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. The available record reports no health-based violations for this measured scope.
← Back to Minnesota Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.