Henderson, KY: 2 Violations — 76/100 (2026)
2 ZIP codes · 3 water systems · Updated 2026-06-03
EPA compliance records for Henderson tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within KY.
How Henderson Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Henderson Water
- Your city's water systems recorded 2 violations in the past 5 years.
- Average lead level: 0.0004 mg/L.
- Estimated remediation: $1,600 per household.
Who Supplies Your Water in Henderson
Water service in Henderson, KY is split across 3 utilities out of 3 tracked federally, each operating its own infrastructure and compliance record.
Overview
We track water quality and home safety data for 2 ZIP codes in Henderson, Kentucky, covering 3 community water systems serving approximately 38,434 people.
2 of 2 ZIP codes (100%) have recorded EPA violations. All violations are monitoring/reporting type.
Home Safety Score
Average Home Safety Score for Henderson: B (76/100)
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
Henderson water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0004 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 2 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 | 3 | 2 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 42419 | B | 1 | 0 | Henderson Water Utility/north |
| 42420 | C | 1 | 0 | Henderson Water Utility/north |
All ZIP Codes in Henderson
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.
Top Contaminants in Henderson Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Cost Context: What Remediation Means for Henderson Homeowners
Remediation costs in Henderson are small relative to typical property values — the cost-to-value ratio here is favorable.
Remediation costs in Henderson are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 10% above the Kentucky average.
Lead Exposure Risk for Children in Henderson
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.
Lead risk in Henderson appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Henderson
Henderson's flood exposure sits in the moderate range: 247 NFIP claims on record and 100% of ZIP codes within FEMA-designated flood zones. Residents with private wells or older infrastructure have reasonable grounds to factor flood timing into their water quality awareness.
Henderson has a moderate flood history with 247 FEMA claims averaging $11,662 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>$1,600</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.
Deep Dive Reports
Detailed analysis for Henderson, KY