Hamblen County, Tennessee
8 ZIP codes · Avg score 56/100 · Grade C · Updated 2026-06-03
Current EPA records place Hamblen County in the middle tier for drinking water safety, with 8 ZIP codes showing a range of outcomes.
How Hamblen County Compares
How Hamblen County Compares
Hamblen County scores 13 points below the Tennessee state average (69/100) and 12 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Hamblen County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.9 (asthma 11.1%, diabetes 15.2%)
Estimated additional annual cost per homeowner: $401, driven primarily by energy_code_gap
Infrastructure: 0.276% avg pipe failure probability
52.8% 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: $401
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
29,634 housing units in Hamblen 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 Hamblen County
Remediation costs are relatively manageable for most homeowners in Hamblen 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 Hamblen 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 Hamblen County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | MORRISTOWN UTILITIES COMMISSION | 39,883 | 32 |
| 2 | Witt Utility District | 5,771 | 32 |
| 3 | Russellville Whitesburg U.d. | 20,197 | 16 |
| 4 | Alpha-talbott Utility District | 19,075 | 16 |
| 5 | OLD KNOXVILLE HWY U.D. | 8,296 | 8 |
9 total water systems serve Hamblen County.
All ZIP Codes in Hamblen County
8 ZIP codes tracked in Hamblen County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37860 | Russellville | 66 | C | 0 | $182K |
| 2 | 37877 | Talbott | 66 | C | 0 | $214K |
| 3 | 37813 | Morristown | 63 | C | 8 | $158K |
| 4 | 37815 | Morristown | 59 | C | 8 | — |
| 5 | 37816 | Morristown | 59 | C | 8 | — |
| 6 | 37814 | Morristown | 58 | C | 8 | $192K |
| 7 | 37778 | Lowland | 40 | D | 0 | — |
| 8 | 37891 | Whitesburg | 40 | D | 0 | $157K |
Recommended Buyer Guides for Hamblen County
Eight risk categories drive the selection — PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback — and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.
- Best Lead Paint Test Kits — 52.8% of homes built before 1978
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
Deep Dive Reports
Detailed analysis for Hamblen County, Tennessee
Overview
Hamblen County in Tennessee covers 8 ZIP codes with an average Home Safety Score of C (56/100).
4 of 8 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.