Chester County, Tennessee
7 ZIP codes · Avg score 59/100 · Grade C · Updated 2026-06-03
Current EPA records place Chester County in the middle tier for drinking water safety, with 7 ZIP codes showing a range of outcomes.
How Chester County Compares
How Chester County Compares
Chester County scores 10 points below the Tennessee state average (69/100) and 9 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Chester County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.5 (asthma 11.5%, diabetes 14.9%)
Estimated additional annual cost per homeowner: $416, driven primarily by energy_code_gap
Infrastructure: 0.229% avg pipe failure probability
39.4% 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: $416
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
9,183 housing units in Chester 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 Chester County
Remediation costs are relatively manageable for most homeowners in Chester 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 Chester 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 Chester County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | JACKSON WATER SYSTEM | 91,111 | 4 |
| 2 | SELMER WATER SYSTEM | 20,648 | 4 |
| 3 | Adamsville Water System | 9,985 | 4 |
| 4 | HENDERSON WATER DEPT | 8,810 | 4 |
| 5 | Hornsby Water Department | 892 | 4 |
7 total water systems serve Chester County.
All ZIP Codes in Chester County
7 ZIP codes tracked in Chester County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 38340 | Henderson | 77 | B | 4 | $142K |
| 2 | 38313 | Beech Bluff | 63 | C | 0 | $200K |
| 3 | 38366 | Pinson | 63 | C | 0 | $122K |
| 4 | 38334 | Finger | 53 | D | 0 | $130K |
| 5 | 38347 | Jacks Creek | 53 | D | 0 | $190K |
| 6 | 38352 | Luray | 53 | D | 0 | — |
| 7 | 38362 | Oakfield | 53 | D | 0 | $143K |
Recommended Buyer Guides for Chester County
Editorial-only picks, screened against the EPA detections on file.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Deep Dive Reports
Detailed analysis for Chester County, Tennessee
Overview
Chester County in Tennessee covers 7 ZIP codes with an average Home Safety Score of C (59/100).
1 of 7 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.