Trousdale County, Tennessee
1 ZIP code · Avg score 53/100 · Grade D · Updated 2026-06-04
While Trousdale County's situation varies by ZIP, its 1 ZIP code collectively fall below the state average — addressing specific concerns starts with checking the system that serves a given address.
How Trousdale County Compares
How Trousdale County Compares
Trousdale County scores 16 points below the Tennessee state average (69/100) and 15 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-04
Key Risk Factors
Health risk index: 13.9 (asthma 10.6%, diabetes 11.7%)
Estimated additional annual cost per homeowner: $870, driven primarily by flood
Infrastructure: 0.36% avg pipe failure probability
47% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
↑ Worsening trendEPA violation counts by year across Trousdale County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 4 violations. Past 5 years: 9 total (9 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $870
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
3,399 housing units in Trousdale 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 Trousdale County
Remediation costs are relatively manageable for most homeowners in Trousdale 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 Trousdale County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 4 systems in Trousdale County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Hartsville-trousdale W&s U.d. | 10,562 | 7 |
| 2 | Wilson Company Water & Wastewater | 22,680 | 7 |
| 3 | Lafayette Water System | 21,551 | 7 |
| 4 | Castalian Springs-bethpage U.d. | 14,184 | 7 |
All ZIP Codes in Trousdale County
1 ZIP code tracked in Trousdale County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37074 | Hartsville | 53 | D | 7 (3 health) | $256K |
Recommended Buyer Guides for Trousdale County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Trousdale County in Tennessee covers 1 ZIP code with an average Home Safety Score of D (53/100).
1 of 1 ZIP code have recorded EPA violations. 3 health-based violations have been documented.
← Back to Tennessee water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.
What You Can Do
Trousdale County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
47% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.