Putnam County, Indiana
9 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Although much of Putnam County meets baseline standards, some of its 9 ZIP codes show violations that merit closer attention.
How Putnam County Compares
How Putnam County Compares
Putnam County scores 3 points below the Indiana state average (60/100) and 11 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Putnam County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.7 (asthma 11.2%, diabetes 12.3%)
Estimated additional annual cost per homeowner: $528, driven primarily by flood
Infrastructure: 0.369% avg pipe failure probability, 25% of ZIPs at high risk
56.1% 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: $528
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
16,092 housing units in Putnam 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 Putnam County
Remediation costs are relatively manageable for most homeowners in Putnam 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 Putnam 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 Putnam County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | South 43 Water Association, Inc. | 1,431 | 12 |
| 2 | Van Bibber Lake Conservancy District | 830 | 12 |
| 3 | REELSVILLE WATER COMPANY | 2,800 | 9 |
| 4 | Cloverdale Water Works | 2,225 | 8 |
| 5 | Greencastle Department of Water | 12,699 | 8 |
12 total water systems serve Putnam County.
All ZIP Codes in Putnam County
9 ZIP codes tracked in Putnam County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 46120 | Cloverdale | 65 | C | 2 | $167K |
| 2 | 46172 | Roachdale | 64 | C | 6 (1 health) | $124K |
| 3 | 46171 | Reelsville | 62 | C | 1 | $257K |
| 4 | 46135 | Greencastle | 59 | C | 6 | $201K |
| 5 | 46175 | Russellville | 58 | C | 5 | $161K |
| 6 | 46128 | Fillmore | 55 | C | 0 | $209K |
| 7 | 46105 | Bainbridge | 54 | D | 5 (1 health) | $224K |
| 8 | 46121 | Coatesville | 53 | D | 0 | $242K |
| 9 | 46170 | Putnamville | 40 | D | 0 | — |
Recommended Buyer Guides for Putnam 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 — 56.1% 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 Putnam County, Indiana
Overview
Putnam County in Indiana covers 9 ZIP codes with an average Home Safety Score of C (57/100).
6 of 9 ZIP codes have recorded EPA violations. 2 health-based violations have been documented.
← 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.