Winneshiek County, Iowa
9 ZIP codes · Home Safety Score unavailable · 0 of 9 tracked ZIP records scored · Updated
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: Winneshiek County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.7 (asthma 9.6%, diabetes 10.7%)
Estimated additional annual cost per homeowner: $1,048, driven primarily by flood
71.4% 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: $1,048
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,804 housing units in Winneshiek 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 Winneshiek County
Remediation costs are relatively manageable for most homeowners in Winneshiek 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 Winneshiek County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Winneshiek County
3 community water systems serving Winneshiek County.
Systems with the most violations in Winneshiek County
1 water system with recorded EPA violations.
All ZIP Codes in Winneshiek County
9 ZIP codes tracked in Winneshiek County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 52101 | Decorah | — | — | 1 | $250K |
| 2 | 52132 | Calmar | — | — | $226K | |
| 3 | 52133 | Castalia | — | — | $209K | |
| 4 | 52140 | Dorchester | — | — | $217K | |
| 5 | 52144 | Fort Atkinson | — | — | $194K | |
| 6 | 52149 | Highlandville | — | — | — | |
| 7 | 52161 | Ossian | — | — | $174K | |
| 8 | 52165 | Ridgeway | — | — | $271K | |
| 9 | 52168 | Spillville | — | — | $157K |
Recommended Buyer Guides for Winneshiek County
Filtered against federal data, fitted to local risks.
- Best Lead Paint Test Kits — 71.4% of homes built before 1978
- 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 Winneshiek County, Iowa
Overview
Winneshiek County in Iowa covers 9 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.
1 of 1 ZIP code 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 Iowa 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.