Clark County, Indiana
17 ZIP codes · Avg score 52/100 · Grade D · Updated
ZipCheckup grade for Clark County: D.
Several federal signals point to home-safety risks in this ZIP.
Unlike better-scoring counties, Clark County records health-based violations across a meaningful portion of its 17 ZIP codes - the overall safety grade is well below average.
How Clark County Compares
How Clark County Compares
Clark County scores 12 points below the Indiana state average (64/100) and 21 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Clark County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.5 (asthma 11.3%, diabetes 12.5%)
Estimated additional annual cost per homeowner: $825, driven primarily by flood
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Clark County water systems. Health-based shown in red, total in blue.
Peak year: 2023 with 10 violations. Past 5 years: 27 total (27 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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $825
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Clark County
Remediation costs are relatively manageable for most homeowners in Clark 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 Clark County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Clark County
8 community water systems serving Clark County.
- C
- C
- C
- D
- C
- D
Show all 8 water systems
- D
- D
11 total water systems serve Clark County.
Systems with the most violations in Clark County
5 water systems with recorded EPA violations.
- D
- D
- D
- D
- C
All ZIP Codes in Clark County
17 ZIP codes tracked in Clark County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 47130 | Jeffersonville | 67 | C | 0 | $204K |
| 2 | 47106 | Borden | 62 | C | 8 (5 health) | $205K |
| 3 | 47172 | Sellersburg | 62 | C | 8 (5 health) | $249K |
| 4 | 47126 | Henryville | 49 | D | 3 (1 health) | $261K |
| 5 | 47163 | Otisco | 49 | D | 3 (1 health) | $183K |
| 6 | 47177 | Underwood | 48 | D | 5 (1 health) | $178K |
| 7 | 47143 | Memphis | 46 | D | 7 (5 health) | $248K |
| 8 | 47141 | Marysville | 42 | D | 23 | $198K |
| 9 | 47111 | Charlestown | 41 | D | 26 (1 health) | $262K |
| 10 | 47104 | Bethlehem | — | — | — | |
| 11 | 47131 | Jeffersonville | — | — | — | |
| 12 | 47132 | Jeffersonville | — | — | — | |
| 13 | 47133 | Jeffersonville | — | — | — | |
| 14 | 47134 | Jeffersonville | — | — | — | |
| 15 | 47144 | Jeffersonville | — | — | — | |
| 16 | 47190 | Jeffersonville | — | — | — | |
| 17 | 47199 | Jeffersonville | — | — | — |
Recommended Buyer Guides for Clark County
Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Water Filters for PFAS — PFAS detected in 2 ZIP codes
- 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
- 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 Clark County, Indiana
Overview
Clark County in Indiana covers 17 tracked ZIP records with an average Home Safety Score of D (52/100) across 9 scored records.
8 of 9 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 5 health-based violations appear in the available health breakdown.
← Back to Indiana Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
What You Can Do
Clark County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.