Hendricks County, Indiana
11 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Current EPA records place Hendricks County in the middle tier for drinking water safety, with 11 ZIP codes showing a range of outcomes.
How Hendricks County Compares
How Hendricks County Compares
Hendricks 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: Hendricks County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.4 (asthma 10.7%, diabetes 11.1%)
Estimated additional annual cost per homeowner: $795, driven primarily by flood
Infrastructure: 0.357% avg pipe failure probability, 36% of ZIPs at high risk
52.8% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Hendricks County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 3 violations. Past 5 years: 8 total (8 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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: $795
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
70,056 housing units in Hendricks 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 Hendricks County
Remediation costs are relatively manageable for most homeowners in Hendricks 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 Hendricks 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 Hendricks County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | CITIZENS WATER - INDIANAPOLIS | 880,345 | 67 |
| 2 | District 39 Apartments | 36 | 40 |
| 3 | STI-BEL MOBILE HOME PARK | 40 | 28 |
| 4 | Brownsburg Water Works | 23,750 | 27 |
| 5 | Citizens Water of Westfield, Llc | 61,493 | 26 |
17 total water systems serve Hendricks County.
All ZIP Codes in Hendricks County
11 ZIP codes tracked in Hendricks County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 46112 | Brownsburg | 70 | B | 0 | $296K |
| 2 | 46167 | Pittsboro | 68 | C | 0 | $293K |
| 3 | 46122 | Danville | 67 | C | 1 | $277K |
| 4 | 46149 | Lizton | 65 | C | 7 (1 health) | $242K |
| 5 | 46118 | Clayton | 59 | C | 28 (1 health) | $248K |
| 6 | 46168 | Plainfield | 56 | C | 12 | $271K |
| 7 | 46165 | North Salem | 55 | C | 0 | $302K |
| 8 | 46123 | Avon | 53 | D | 0 | $293K |
| 9 | 46234 | Indianapolis | 51 | D | 26 (5 health) | $226K |
| 10 | 46103 | Amo | 40 | D | 0 | $149K |
| 11 | 46180 | Stilesville | 40 | D | 0 | $174K |
Recommended Buyer Guides for Hendricks County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 52.8% of homes built before 1978
- 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 Hendricks County, Indiana
Overview
Hendricks County in Indiana covers 11 ZIP codes with an average Home Safety Score of C (57/100).
5 of 11 ZIP codes have recorded EPA violations. 7 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.