Seneca County, Ohio
13 ZIP codes · Home Safety Score unavailable · 0 of 13 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: Seneca County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.9 (asthma 10.8%, diabetes 13.2%)
Estimated additional annual cost per homeowner: $1,871, driven primarily by flood
84.7% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Seneca County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 9 violations. Past 5 years: 14 total (14 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $1,871
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
25,960 housing units in Seneca 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 Seneca County
Remediation costs are relatively manageable for most homeowners in Seneca 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 Seneca County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Seneca County
5 community water systems serving Seneca County.
Systems with the most violations in Seneca County
2 water systems with recorded EPA violations.
All ZIP Codes in Seneca County
13 ZIP codes tracked in Seneca County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 44802 | Alvada | — | — | 0 | $145K |
| 2 | 44807 | Attica | — | — | 19 (6 health) | $131K |
| 3 | 44809 | Bascom | — | — | $130K | |
| 4 | 44815 | Bettsville | — | — | $101K | |
| 5 | 44818 | Bloomville | — | — | 17 (5 health) | $140K |
| 6 | 44828 | Flat Rock | — | — | — | |
| 7 | 44830 | Fostoria | — | — | 0 | $110K |
| 8 | 44841 | Kansas | — | — | $113K | |
| 9 | 44845 | Melmore | — | — | — | |
| 10 | 44853 | New Riegel | — | — | 0 | $150K |
| 11 | 44861 | Old Fort | — | — | — | |
| 12 | 44867 | Republic | — | — | $146K | |
| 13 | 44883 | Tiffin | — | — | 17 (5 health) | $153K |
Recommended Buyer Guides for Seneca County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations - federal data drives the order, not retailer arrangements.
- Best Lead Paint Test Kits — 84.7% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Seneca County, Ohio
Overview
Seneca County in Ohio covers 13 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 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.
← Back to Ohio 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.