Clay County, Indiana
15 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-06-03
Water systems across Clay County's 15 ZIP codes produce average compliance results overall — pockets with documented violations exist, and the variation between areas makes ZIP-level lookup the most useful tool for residents here.
How Clay County Compares
How Clay County Compares
Clay County scores 4 points above the Indiana state average (60/100) and 4 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Clay County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.5 (asthma 11.5%, diabetes 14.3%)
Estimated additional annual cost per homeowner: $598, driven primarily by energy_code_gap
Infrastructure: 0.411% avg pipe failure probability, 57% of ZIPs at high risk
65.8% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Clay County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 15 violations. Past 5 years: 25 total (25 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: $598
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,513 housing units in Clay 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 Clay County
Remediation costs are relatively manageable for most homeowners in Clay 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 Clay 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 Clay County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Staunton Municipal Water | 550 | 24 |
| 2 | WEST TERRE HAUTE WATER | 4,075 | 19 |
| 3 | Center Point Water Works | 625 | 19 |
| 4 | Universal Water Works | 473 | 19 |
| 5 | Hickory Lake Water Management Org | 45 | 19 |
19 total water systems serve Clay County.
All ZIP Codes in Clay County
15 ZIP codes tracked in Clay County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 47881 | Staunton | 82 | B | 4 (1 health) | $91K |
| 2 | 47438 | Jasonville | 81 | B | 2 | $98K |
| 3 | 47834 | Brazil | 76 | B | 1 | $136K |
| 4 | 47840 | Centerpoint | 74 | B | 19 (2 health) | $151K |
| 5 | 47841 | Clay City | 74 | B | 6 (1 health) | $103K |
| 6 | 47874 | Rosedale | 72 | B | 11 (3 health) | $131K |
| 7 | 47857 | Knightsville | 67 | C | 2 (1 health) | $98K |
| 8 | 47833 | Bowling Green | 63 | C | 0 | $180K |
| 9 | 47427 | Coal City | 53 | D | 0 | $118K |
| 10 | 47455 | Patricksburg | 53 | D | 0 | — |
| 11 | 47836 | Bridgeton | 53 | D | 0 | — |
| 12 | 47846 | Cory | 53 | D | 0 | $130K |
| 13 | 47853 | Harmony | 53 | D | 0 | $135K |
| 14 | 47870 | Prairieton | 53 | D | 0 | — |
| 15 | 47871 | Riley | 53 | D | 0 | $93K |
Recommended Buyer Guides for Clay County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Lead Paint Test Kits — 65.8% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Clay County, Indiana
Overview
Clay County in Indiana covers 15 ZIP codes with an average Home Safety Score of C (64/100).
7 of 15 ZIP codes have recorded EPA violations. 8 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.