Delaware County, Indiana
15 ZIP codes · Avg score 62/100 · Grade C · Updated 2026-06-03
In recent monitoring cycles, Delaware County's 15 ZIP codes show a split record — several have documented water safety violations.
How Delaware County Compares
How Delaware County Compares
Delaware County scores 2 points above the Indiana state average (60/100) and 6 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Delaware County, Indiana
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.1 (asthma 12%, diabetes 13.5%)
Estimated additional annual cost per homeowner: $1,135, driven primarily by flood
Infrastructure: 0.418% avg pipe failure probability, 60% of ZIPs at high risk
77.8% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Delaware County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 1 violation. Past 5 years: 3 total (3 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: $1,135
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
58,406 housing units in Delaware 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 Delaware County
Water safety remediation is a moderate expense relative to home values. Most homeowners can address issues through staged improvements over time.
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 Delaware 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 Delaware County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Indiana American Water - Muncie | 74,030 | 13 |
| 2 | Albany Water Department | 2,165 | 12 |
| 3 | Daleville (town Of) | 1,560 | 10 |
| 4 | Yorktown Water Department | 6,200 | 10 |
| 5 | Countryview Farms | 290 | 7 |
17 total water systems serve Delaware County.
All ZIP Codes in Delaware County
15 ZIP codes tracked in Delaware County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 47396 | Yorktown | 69 | C | 5 (1 health) | $173K |
| 2 | 47342 | Gaston | 68 | C | 2 | $131K |
| 3 | 47305 | Muncie | 66 | C | 1 | $77K |
| 4 | 47306 | Muncie | 66 | C | 1 | — |
| 5 | 47307 | Muncie | 66 | C | 1 | — |
| 6 | 47308 | Muncie | 66 | C | 1 | — |
| 7 | 47336 | Dunkirk | 66 | C | 5 | $84K |
| 8 | 47303 | Muncie | 65 | C | 1 | $107K |
| 9 | 47304 | Muncie | 65 | C | 1 | $162K |
| 10 | 47338 | Eaton | 62 | C | 4 | $103K |
| 11 | 47302 | Muncie | 60 | C | 1 | $71K |
| 12 | 47320 | Albany | 56 | C | 2 | $120K |
| 13 | 47383 | Selma | 56 | C | 2 (1 health) | $128K |
| 14 | 46107 | Beech Grove | 53 | D | 0 | $167K |
| 15 | 47334 | Daleville | 44 | D | 4 (1 health) | $172K |
Recommended Buyer Guides for Delaware 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 Water Filters for Lead — Lead above EPA action level in 1 ZIP code
- Best Lead Paint Test Kits — 77.8% 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
Deep Dive Reports
Detailed analysis for Delaware County, Indiana
Overview
Delaware County in Indiana covers 15 ZIP codes with an average Home Safety Score of C (62/100).
14 of 15 ZIP codes have recorded EPA violations. 3 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.