Greenwood, IN: 6 Health Violations — 54/100 (2026)
2 ZIP codes · 8 water systems · Updated 2026-06-03
Across water systems in Greenwood, EPA data shows a below-average compliance pattern for IN — health-based violations are on file in several areas, and checking the specific system serving your address is a practical first step for concerned residents.
How Greenwood Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Greenwood Residents
- Your city's water systems recorded 22 violations in the past 5 years.
- Average lead level: 0.003 mg/L.
- Homes built before 1986: 40% — older plumbing may contain lead solder.
- Estimated remediation: $3,800 per household.
- CDC health risk index: 13.28 — above typical levels.
Greenwood's Water Providers
Water delivery in Greenwood, IN is handled by 3 utilities rather than a single system — drawn from 8 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 2 ZIP codes in Greenwood, Indiana (population ~93,606), covering 8 community water systems serving approximately 1,467,126 people region-wide.
2 of 2 ZIP codes (100%) have recorded EPA violations. 6 health-based violations documented.
Home Safety Score
Average Home Safety Score for Greenwood: D (54/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Greenwood water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0030 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 2 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 0 ZIP codes
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Technique | 12 | 2 |
| Stage 2 DBP Rule | Treatment Technique | 6 | 2 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 3 | 2 |
| Stage 1 DBP Rule | Treatment Technique | 3 | 2 |
| Consumer Confidence Report Rule | Reporting | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 46142 | D | 11 | 3 | Indiana American Water - Johnson County |
| 46143 | D | 11 | 3 | Indiana American Water - Johnson County |
All ZIP Codes in Greenwood
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Greenwood Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Greenwood's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Greenwood Infrastructure Age
Housing age data helps assess potential lead pipe and infrastructure risks. Newer housing stock generally means lower plumbing-related contamination risk.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Pre-1986 construction carries elevated plumbing-era lead risk because lead solder was widely used before that federal ban. In Greenwood, the median build year of 1989 indicates a housing stock where that older fraction represents a significant share of the residential inventory.
Most homes in Greenwood were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Greenwood
The equity-to-remediation ratio in Greenwood is moderate — worth planning for but within reach for most property owners.
Remediation costs are moderate relative to home values in Greenwood. The estimated $2,400–$5,950 range is manageable for most homeowners but still worth budgeting for. Home values are 65% above the Indiana average.
Greenwood: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
When older housing represents 40% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Greenwood address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Greenwood: Flood History & Water Damage Risk
Within the NFIP's national dataset, Greenwood falls in moderate-exposure territory — 171 documented incidents spanning multiple decades, with 100% of local ZIP codes sitting inside FEMA flood boundaries. That combination warrants inclusion in any thorough local water quality review.
Greenwood has a moderate flood history with 171 FEMA claims averaging $20,290 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$3,800</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Greenwood
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Surface Water Treatment Rule can reduce the most common contaminant found in Greenwood's water.
- Check your home's plumbing. With 40% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Greenwood, IN