Sumner County, Tennessee
9 ZIP codes · Avg score 80/100 · Grade B · Updated
ZipCheckup grade for Sumner County: B.
This ZIP looks solid, with a few items worth a quick check.
The 9 water systems serving Sumner County show strong compliance with federal drinking water standards.
How Sumner County Compares
How Sumner County Compares
Sumner County scores 8 points above the Tennessee state average (72/100) and 7 points above the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Sumner County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 13.8 (asthma 10.7%, diabetes 12.2%)
Estimated additional annual cost per homeowner: $1,391, driven primarily by flood
38.5% of homes built before 1978 (lead paint era)
Violation History (2024–2025)
→ Stable trendEPA violation counts by year across Sumner County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 8 violations. Past 5 years: 12 total (12 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $1,391
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
70,682 housing units in Sumner County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Sumner County
Remediation costs are relatively manageable for most homeowners in Sumner County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Sumner County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Sumner County
8 community water systems serving Sumner County.
- B
- B
- B
- B
- B
- B
Show all 8 water systems
- B
- B
Systems with the most violations in Sumner County
5 water systems with recorded EPA violations.
- B
- B
- B
- B
- B
All ZIP Codes in Sumner County
9 ZIP codes tracked in Sumner County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37075 | Hendersonville | 82 | B | 1 | $403K |
| 2 | 37148 | Portland | 82 | B | 2 | $273K |
| 3 | 37066 | Gallatin | 80 | B | 4 | $376K |
| 4 | 37031 | Castalian Springs | 78 | B | 12 (6 health) | $303K |
| 5 | 37022 | Bethpage | 76 | B | 14 (6 health) | $244K |
| 6 | 37048 | Cottontown | — | — | 0 | $382K |
| 7 | 37070 | Goodlettsville | — | — | — | |
| 8 | 37077 | Hendersonville | — | — | — | |
| 9 | 37119 | Mitchellville | — | — | — |
Recommended Buyer Guides for Sumner County
Independent picks. EPA-grounded. Matched here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Sumner County, Tennessee
Overview
Sumner County in Tennessee covers 9 tracked ZIP records with an average Home Safety Score of B (80/100) across 5 scored records.
5 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 6 health-based violations appear in the available health breakdown.
← Back to Tennessee Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.