Jefferson County, Iowa
7 ZIP codes · Home Safety Score unavailable · 0 of 7 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: Jefferson County, Iowa
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.3 (asthma 9.6%, diabetes 13.2%)
Modeled additional annual cost estimate per homeowner: $296, largest modeled factor: Energy Code Gap
67% 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: $296
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
8,057 housing units in Jefferson 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 Jefferson County
Modeled remediation costs in Jefferson County can be compared with the median property value; actual costs vary by property.
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 Jefferson County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems mapped to Jefferson County ZIP codes
3 community water systems mapped to Jefferson County ZIP codes; EPA may list more systems serving the county.
Systems with the most violations in Jefferson County
2 water systems with violations in EPA records.
All ZIP Codes in Jefferson County
7 ZIP codes tracked in Jefferson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 52533 | Batavia | — | — | 3 | $110K |
| 2 | 52540 | Brighton | — | — | $107K | |
| 3 | 52556 | Fairfield | — | — | 1 | $168K |
| 4 | 52557 | Fairfield | — | — | 1 | — |
| 5 | 52567 | Libertyville | — | — | 0 | $179K |
| 6 | 52580 | Packwood | — | — | 0 | $112K |
| 7 | 52635 | Lockridge | — | — | — |
Recommended Buyer Guides for Jefferson County
Up to five guides, picked by rule.
- Best Lead Paint Test Kits — 67% of homes built before 1980
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Jefferson County, Iowa
Overview
Jefferson County in Iowa covers 7 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.
3 of 5 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.
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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.