Gray Hawk, KY Water Safety: 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Federal monitoring data for Gray Hawk puts the city in KY's lower safety tier — exceedances show up in multiple utility districts, several systems have met thresholds requiring public notification under the Safe Drinking Water Act, and the compliance deficit has persisted across more than one consecutive reporting cycle, with no clear reversal visible in the most recent data available.
How Gray Hawk Compares
Data: EPA SDWIS Last verified: 2026-06-03
Gray Hawk's Water Providers
Gray Hawk, KY runs on one primary water provider among the 1 federally tracked system. A single utility is responsible for the overwhelming share of residential supply — including the infrastructure, compliance filings, and rate schedules that govern service for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Gray Hawk, Kentucky (population ~109), covering 1 community water system serving approximately 5,346 people region-wide.
No EPA violations recorded across any ZIP codes in Gray Hawk — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Gray Hawk: D (53/100)
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
Gray Hawk water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Gray Hawk
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 40434 | D | BOONEVILLE WATER AND SEWER | 5,346 |
All ZIP Codes in Gray Hawk
- 40434 [D]
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.
What You Can Do in Gray Hawk
- 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. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. Homes built before 1986 may have lead solder in pipes. A licensed plumber can assess your risk.
- 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 Gray Hawk, KY