Preble County, Ohio
12 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
Although much of Preble County meets baseline standards, some of its 12 ZIP codes show violations that merit closer attention.
How Preble County Compares
How Preble County Compares
Preble County scores 2 points above the Ohio state average (60/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Preble County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.7 (asthma 10.9%, diabetes 13.4%)
Estimated additional annual cost per homeowner: $1,243, driven primarily by energy_code_gap
Infrastructure: 0.439% avg pipe failure probability, 75% of ZIPs at high risk
78.3% 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,243
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
28,453 housing units in Preble 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 Preble County
Remediation costs are relatively manageable for most homeowners in Preble 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 Preble County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Preble County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | New Paris Village Public Water System | 1,681 | 11 |
| 2 | New Madison Village Public Water System | 892 | 11 |
| 3 | Foundations | 96 | 11 |
| 4 | Southwest Regional Water District | 42,856 | 7 |
| 5 | Lewisburg Village Public Water System | 1,800 | 5 |
16 total water systems serve Preble County.
All ZIP Codes in Preble County
12 ZIP codes tracked in Preble County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 45320 | Eaton | 70 | B | 1 | $168K |
| 2 | 45003 | College Corner | 69 | C | 2 (1 health) | $171K |
| 3 | 45381 | West Alexandria | 69 | C | 2 (1 health) | $200K |
| 4 | 45321 | Eldorado | 68 | C | 1 | $129K |
| 5 | 45378 | Verona | 68 | C | 2 | $115K |
| 6 | 45382 | West Manchester | 66 | C | 0 | $184K |
| 7 | 45311 | Camden | 64 | C | 2 (1 health) | $177K |
| 8 | 45330 | Gratis | 64 | C | 2 | $143K |
| 9 | 45338 | Lewisburg | 62 | C | 5 | $186K |
| 10 | 45347 | New Paris | 57 | C | 11 (2 health) | $139K |
| 11 | 45056 | Oxford | 45 | D | 0 | $248K |
| 12 | 45346 | New Madison | 40 | D | 0 | $162K |
Recommended Buyer Guides for Preble County
Retailer arrangements don't shape what appears here — the selection logic is independent, filtered against EPA detections and the federal hazard data on file for this county.
- Best Lead Paint Test Kits — 78.3% 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
Deep Dive Reports
Detailed analysis for Preble County, Ohio
Overview
Preble County in Ohio covers 12 ZIP codes with an average Home Safety Score of C (62/100).
9 of 12 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.
← Back to Ohio water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.