Hardin County, Tennessee
5 ZIP codes · Avg score 71/100 · Grade B · Updated 2026-06-03
For households in Hardin County, the 5 ZIP codes on record show consistently safe tap water.
How Hardin County Compares
How Hardin County Compares
Hardin County scores 2 points above the Tennessee state average (69/100) and 3 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Hardin County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 17.3 (asthma 11.3%, diabetes 17.1%)
Estimated additional annual cost per homeowner: $1,216, driven primarily by flood
Infrastructure: 0.27% avg pipe failure probability
46.5% of homes built before 1978 (lead paint era)
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: $1,216
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
15,128 housing units in Hardin 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 Hardin County
Remediation costs are relatively manageable for most homeowners in Hardin 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 Hardin County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Hardin County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Savannah Utility Department | 19,495 | 6 |
| 2 | Chalet Village North | 1,203 | 6 |
| 3 | Harbert Hills Academy N.h. | 140 | 6 |
| 4 | First U.d. of Hardin County | 7,388 | 3 |
| 5 | Adamsville Water System | 9,985 | 0 |
10 total water systems serve Hardin County.
All ZIP Codes in Hardin County
5 ZIP codes tracked in Hardin County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 38310 | Adamsville | 83 | B | 0 | $166K |
| 2 | 38370 | Saltillo | 78 | B | 0 | $119K |
| 3 | 38326 | Counce | 74 | B | 3 (1 health) | $189K |
| 4 | 38372 | Savannah | 69 | C | 6 | $154K |
| 5 | 38365 | Pickwick Dam | 53 | D | 0 | — |
Recommended Buyer Guides for Hardin County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- 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 Hardin County, Tennessee
Overview
Hardin County in Tennessee covers 5 ZIP codes with an average Home Safety Score of B (71/100).
2 of 5 ZIP codes have recorded EPA violations. 1 health-based violation 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.