Monona County, Iowa
10 ZIP codes · Home Safety Score unavailable · 0 of 10 tracked ZIP records scored
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData
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%)
Modeled additional annual cost estimate per homeowner: $578, largest modeled factor: Water Lead
78% of homes built before 1980 (lead paint was banned for residential use in 1978)
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 DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $578
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).
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 mapped to Monona County ZIP codes
1 community water system mapped to Monona County ZIP codes; EPA may list more systems serving the 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
Selection follows a fixed set of rules applied to local records: signals such as PFAS detections, lead action-level exceedances on record, a large share of pre-1978 housing, EPA Radon Zone 1, or a top flood or wildfire risk each add a related guide, and when none applies, general water testing and filtration guides are shown instead.
- Best Lead Paint Test Kits — 78% of homes built before 1980
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
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.