Noble County, Ohio
8 ZIP codes · Avg score 65/100 · Grade C · Updated 2026-06-03
Current EPA records place Noble County in the middle tier for drinking water safety, with 8 ZIP codes showing a range of outcomes.
How Noble County Compares
How Noble County Compares
Noble County scores 5 points above the Ohio state average (60/100) and 3 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Noble County, Ohio
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 17.5 (asthma 10.3%, diabetes 17.8%)
Estimated additional annual cost per homeowner: $1,190, driven primarily by flood
Infrastructure: 0.392% avg pipe failure probability, 38% of ZIPs at high risk
63.6% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Noble County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 3 violations. Past 5 years: 5 total (5 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,190
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,625 housing units in Noble 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 Noble County
Remediation costs are relatively manageable for most homeowners in Noble 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 Noble 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 Noble County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | NOBLE COUNTY WATER AUTHORITY PWS | 2,368 | 10 |
| 2 | Caldwell Village Public Water System | 3,300 | 9 |
| 3 | Pure Water Corporation | 1,989 | 9 |
| 4 | Pure Water System 2 Public Water System | 279 | 9 |
| 5 | Woodsfield Village Public Water System | 2,598 | 6 |
8 total water systems serve Noble County.
All ZIP Codes in Noble County
8 ZIP codes tracked in Noble County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 43793 | Woodsfield | 80 | B | 6 (3 health) | $137K |
| 2 | 43779 | Sarahsville | 78 | B | 4 | $218K |
| 3 | 43717 | Belle Valley | 71 | B | 1 | $75K |
| 4 | 43711 | Ava | 63 | C | 0 | — |
| 5 | 45727 | Dexter City | 63 | C | 0 | $109K |
| 6 | 43724 | Caldwell | 57 | C | 9 (2 health) | $147K |
| 7 | 43786 | Stafford | 53 | D | 0 | $136K |
| 8 | 43788 | Summerfield | 53 | D | 0 | $148K |
Recommended Buyer Guides for Noble County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 63.6% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Noble County, Ohio
Overview
Noble County in Ohio covers 8 ZIP codes with an average Home Safety Score of C (65/100).
4 of 8 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.