Jennings County, Indiana
8 ZIP codes · Avg score 52/100 · Grade D · Updated 2026-06-03
Poor compliance rates put Jennings County in the bottom safety tier — 8 ZIP codes, below the state average.
How Jennings County Compares
How Jennings County Compares
Jennings County scores 8 points below the Indiana state average (60/100) and 16 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Jennings County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.3 (asthma 11.5%, diabetes 14.2%)
Estimated additional annual cost per homeowner: $360, driven primarily by energy_code_gap
Infrastructure: 0.364% avg pipe failure probability, 29% of ZIPs at high risk
51.9% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Jennings County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 5 violations. Past 5 years: 6 total (6 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: $360
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
12,051 housing units in Jennings 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 Jennings County
Remediation costs are relatively manageable for most homeowners in Jennings 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 Jennings 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 Jennings County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | North Vernon Water Department | 6,500 | 17 |
| 2 | JENNINGS WATER, INC. | 8,370 | 13 |
| 3 | Jennings Northwest Regional Utility | 2,955 | 13 |
| 4 | Hayden Water Association | 2,395 | 13 |
| 5 | Burnt Pines Water Association | 900 | 13 |
11 total water systems serve Jennings County.
All ZIP Codes in Jennings County
8 ZIP codes tracked in Jennings County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 47265 | North Vernon | 68 | C | 13 (2 health) | $144K |
| 2 | 47227 | Commiskey | 64 | C | 4 | $166K |
| 3 | 47223 | Butlerville | 55 | C | 0 | $189K |
| 4 | 47273 | Scipio | 53 | D | 0 | $174K |
| 5 | 47282 | Vernon | 52 | D | 2 | $83K |
| 6 | 47230 | Deputy | 40 | D | 0 | $252K |
| 7 | 47245 | Hayden | 40 | D | 0 | — |
| 8 | 47270 | Paris Crossing | 40 | D | 0 | $138K |
Recommended Buyer Guides for Jennings County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 51.9% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Jennings County, Indiana
Overview
Jennings County in Indiana covers 8 ZIP codes with an average Home Safety Score of D (52/100).
3 of 8 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.
What You Can Do
Jennings 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.
Check for lead in your home
51.9% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.