Mount Juliet, TN: High Radon Risk — 61/100 (2026)
2 ZIP codes · 6 water systems · Updated 2026-06-03
Compliance figures for Mount Juliet indicate average water quality in TN overall — some service areas have recorded health-based violations in recent monitoring cycles, while others operate cleanly, making system-level data the most actionable reference point for residents.
How Mount Juliet Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Mount Juliet Residents
- Average lead level: 0.001 mg/L.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 12.52 — above typical levels.
Mount Juliet's Water Providers
Residential water in Mount Juliet, TN is supplied by 3 separate utilities — not one centralized authority. Each of those providers operates under its own service territory boundary, maintains its own distribution infrastructure, and files compliance documentation with the EPA on its own timeline. Federal data counts 6 water systems in the area, with these providers collectively accounting for the dominant share of household connections.
Overview
We track water quality and home safety data for 2 ZIP codes in Mount Juliet, Tennessee (population ~66,348), covering 6 community water systems serving approximately 1,183,079 people region-wide.
No EPA violations recorded across any ZIP codes in Mount Juliet — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Mount Juliet: C (61/100)
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
Mount Juliet water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 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 |
|---|---|---|---|
| 37121 | C | West Wilson Utility District | 86,978 |
| 37122 | C | West Wilson Utility District | 86,978 |
All ZIP Codes in Mount Juliet
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.
Mount Juliet 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 Mount Juliet
Within the Mount Juliet market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Mount Juliet are relatively low compared to home values. The $1,200–$2,400 estimated range is a small fraction of median property value. Home values are 102% above the Tennessee average.
Mount Juliet: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Lead risk in Mount Juliet appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Mount Juliet: Flood History & Water Damage Risk
Although Mount Juliet's flood history doesn't reach high-severity thresholds, NFIP data documents 249 claims and FEMA maps place 50% of ZIP codes in designated flood zones — a combined profile that makes flood-related water quality considerations a reasonable planning baseline.
Mount Juliet has a moderate flood history with 249 FEMA claims averaging $18,348 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>$1,800</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 Mount Juliet
- 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.
Deep Dive Reports
Detailed analysis for Mount Juliet, TN