Goodlettsville, TN: High Radon Risk — 47/100 (2026)
2 ZIP codes · 7 water systems · Updated 2026-06-03
Monitoring data across Goodlettsville reveals a persistent pattern of below-average compliance in TN — multiple service areas carry documented health violations, and the data has shown little overall improvement over recent EPA reporting cycles.
How Goodlettsville Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Goodlettsville Water
- Estimated remediation: $2,400 per household.
- CDC health risk index: 12.87 — above typical levels.
Who Supplies Your Water in Goodlettsville
With 3 utilities splitting service in Goodlettsville, TN, water accountability is distributed across 7 systems on the federal record.
Overview
We track water quality and home safety data for 2 ZIP codes in Goodlettsville, Tennessee (population ~32,344), covering 7 community water systems serving approximately 1,120,223 people region-wide.
No EPA violations recorded across any ZIP codes in Goodlettsville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Goodlettsville: D (47/100)
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
Goodlettsville water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Goodlettsville
- 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 |
|---|---|---|---|
| 37070 | D | MADISON SUBURBAN U.D. | 81,203 |
| 37072 | D | MADISON SUBURBAN U.D. | 81,203 |
All ZIP Codes in Goodlettsville
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.
Health Outcomes in Goodlettsville
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
Cost Context: What Remediation Means for Goodlettsville Homeowners
Because property values in Goodlettsville comfortably exceed estimated remediation costs, the equity impact here is proportionally small.
Remediation costs in Goodlettsville are relatively low compared to home values. The $1,600–$3,300 estimated range is a small fraction of median property value. Home values are 53% above the Tennessee average.
Flood & Climate Risk in Goodlettsville
Across the NFIP's long tracking period, Goodlettsville shows 179 claims and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.
Goodlettsville has a moderate flood history with 179 FEMA claims averaging $9,366 per payout. 100% 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>$2,400</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 Goodlettsville
- 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 Goodlettsville, TN