Wells County, Indiana
7 ZIP codes · Avg score 55/100 · Grade C · Updated 2026-06-03
Based on current EPA data, Wells County's 7 ZIP codes reflect fair but mixed water safety.
How Wells County Compares
How Wells County Compares
Wells County scores 5 points below the Indiana state average (60/100) and 13 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Wells County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.2 (asthma 11%, diabetes 12.5%)
Estimated additional annual cost per homeowner: $753, driven primarily by flood
Infrastructure: 0.389% avg pipe failure probability, 43% of ZIPs at high risk
63.4% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Wells County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 2 violations. Past 5 years: 3 total (3 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: $753
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
16,891 housing units in Wells 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 Wells County
Remediation costs are relatively manageable for most homeowners in Wells 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 Wells 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 Wells County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Bluffton Utilities Water Department | 10,298 | 1 |
| 2 | Roanoke Water Works | 1,722 | 1 |
| 3 | Markle Water Utility | 1,095 | 1 |
| 4 | Ossian Municipal Water Department | 3,289 | 1 |
| 5 | Kozy Kourt Dba Silo Farms | 325 | 1 |
11 total water systems serve Wells County.
All ZIP Codes in Wells County
7 ZIP codes tracked in Wells County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 46770 | Markle | 68 | C | 1 | $204K |
| 2 | 46777 | Ossian | 66 | C | 1 | $185K |
| 3 | 46714 | Bluffton | 65 | C | 1 | $165K |
| 4 | 46055 | Mc Cordsville | 53 | D | 0 | $326K |
| 5 | 46766 | Liberty Center | 53 | D | 0 | $119K |
| 6 | 46731 | Craigville | 40 | D | 0 | $255K |
| 7 | 46798 | Yoder | 40 | D | 0 | $183K |
Recommended Buyer Guides for Wells County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- Best Lead Paint Test Kits — 63.4% of homes built before 1978
- 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 Wells County, Indiana
Overview
Wells County in Indiana covers 7 ZIP codes with an average Home Safety Score of C (55/100).
3 of 7 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Indiana 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.