Monona County, Iowa
10 ZIP codes · Home Safety Score unavailable · 0 of 10 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: Monona County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15 (asthma 10.1%, diabetes 13.1%)
Estimated additional annual cost per homeowner: $1,263, driven primarily by flood
82.8% 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: $1,263
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
4,926 housing units in Monona 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 Monona County
Remediation costs are relatively manageable for most homeowners in Monona 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 Monona County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Monona County
1 community water system serving Monona County.
All ZIP Codes in Monona County
10 ZIP codes tracked in Monona County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 51010 | Castana | — | — | $108K | |
| 2 | 51034 | Mapleton | — | — | $119K | |
| 3 | 51040 | Onawa | — | — | 0 | $140K |
| 4 | 51051 | Rodney | — | — | $163K | |
| 5 | 51055 | Sloan | — | — | $209K | |
| 6 | 51060 | Ute | — | — | $104K | |
| 7 | 51063 | Whiting | — | — | $116K | |
| 8 | 51523 | Blencoe | — | — | $118K | |
| 9 | 51558 | Moorhead | — | — | $70K | |
| 10 | 51572 | Soldier | — | — | $125K |
Recommended Buyer Guides for Monona County
Editorial-only picks, screened against the EPA detections on file.
- Best Lead Paint Test Kits — 82.8% 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 Monona County, Iowa
Overview
Monona County in Iowa covers 10 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.
The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.
← 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.