Antioch, TN: High Radon Risk — 44/100 (2026)
2 ZIP codes · 2 water systems · Updated 2026-06-03
Antioch's water safety record falls below average in TN — compliance violations span multiple service areas, and several systems have recorded exceedances that trigger federal notification requirements under the Safe Drinking Water Act.
How Antioch Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Antioch Residents
- Estimated remediation: $2,700 per household.
- CDC health risk index: 11.93.
Antioch's Water Providers
2 water systems are tracked federally in Antioch, TN. The top 2 providers collectively serve most residential addresses, but because they operate independently, infrastructure maintenance standards and compliance histories differ from one service zone to another.
Overview
We track water quality and home safety data for 2 ZIP codes in Antioch, Tennessee (population ~102,055), covering 2 community water systems serving approximately 797,966 people region-wide.
No EPA violations recorded across any ZIP codes in Antioch — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Antioch: D (44/100)
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
Antioch water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Antioch
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
- Zone 1 (High): 2 ZIP codes
- Zone 2 (Moderate): 0 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 |
|---|---|---|---|
| 37011 | D | METRO WATER SERVICES | 778,153 |
| 37013 | F | METRO WATER SERVICES | 778,153 |
All ZIP Codes in Antioch
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.
Antioch Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Remediation Costs Compare in Antioch
Low proportionality — that's the Antioch picture when remediation costs are placed against typical home equity.
Remediation costs in Antioch are relatively low compared to home values. The $1,800–$3,650 estimated range is a small fraction of median property value. Home values are 32% above the Tennessee average.
Antioch: Flood History & Water Damage Risk
FEMA data shows 50% of Antioch's ZIP codes mapped into designated flood zones, paired with an NFIP record of 210 claims. That footprint places local flood exposure in the range where it warrants attention without rising to high-severity planning territory.
Antioch has a moderate flood history with 210 FEMA claims averaging $21,256 per payout. 50% 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>$2,700</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.
What You Can Do in Antioch
- 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 Antioch, TN