Renfro Valley, KY Water Safety: 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Unlike better-scoring cities in KY, Renfro Valley records health-based violations across a meaningful portion of its service areas — the overall safety grade is well below average.
How Renfro Valley Compares
Data: EPA SDWIS Last verified: 2026-06-03
Who Supplies Your Water in Renfro Valley
Federal drinking water records identify 1 system operating in Renfro Valley, KY. One of those systems serves the overwhelming majority of residential addresses, concentrating infrastructure management, rate authority, and EPA compliance reporting within a single organization.
Overview
We track water quality and home safety data for 1 ZIP code in Renfro Valley, Kentucky, covering 1 community water system serving approximately 4,951 people.
No EPA violations recorded across any ZIP codes in Renfro Valley — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Renfro Valley: 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
Renfro Valley water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Renfro Valley
- 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 |
|---|---|---|---|
| 40473 | D | MT VERNON WATER WORKS | 4,951 |
All ZIP Codes in Renfro Valley
- 40473 [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 Renfro Valley
- 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 Renfro Valley, KY