Fort Knox, KY Water Safety: 53/100 (2026)
2 ZIP codes · 4 water systems · Updated 2026-06-03
Although conditions vary by service area, Fort Knox's water systems collectively show below-average compliance within KY — health-based violations are documented throughout the city, and the overall grade reflects a pattern rather than isolated incidents.
How Fort Knox Compares
Data: EPA SDWIS Last verified: 2026-06-03
Who Supplies Your Water in Fort Knox
Across Fort Knox, KY, residential water comes from 3 primary utilities rather than a single consolidated provider. Each system operates independently — managing its own distribution infrastructure, rate schedules, and EPA compliance filings. Federal records track 4 water systems in the area, with these top providers accounting for the majority of residential connections.
Overview
We track water quality and home safety data for 2 ZIP codes in Fort Knox, Kentucky (population ~8,715), covering 4 community water systems serving approximately 61,944 people region-wide.
No EPA violations recorded across any ZIP codes in Fort Knox — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Fort Knox: 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
Fort Knox water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Fort Knox
- 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 40121 | D | Hardin County Water District #1 | 30,230 |
| 40122 | D | VINE GROVE WATER DEPARTMENT | 6,703 |
All ZIP Codes in Fort Knox
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 Fort Knox
- 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 Fort Knox, KY