Bighill, KY Water Safety: 53/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
If you're researching Bighill, KY tap water quality, the baseline finding is below average — health-based violations are documented in several service areas, and verifying the specific system at your address is the right next step.
How Bighill Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Systems Serving Bighill
While 1 water system appear in federal records for Bighill, KY, one provider supplies the majority of residential connections — making it the central point of infrastructure and compliance accountability for most households.
Overview
We track water quality and home safety data for 1 ZIP code in Bighill, Kentucky, covering 1 community water system serving approximately 14,707 people.
No EPA violations recorded across any ZIP codes in Bighill — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Bighill: 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
Bighill water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Bighill
- 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 |
|---|---|---|---|
| 40405 | D | SOUTHERN MADISON WATER DISTRICT | 14,707 |
All ZIP Codes in Bighill
- 40405 [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 Bighill
- 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 Bighill, KY