COUNTY REPORT TN

Lake County, Tennessee

3 ZIP codes · Avg score 72/100 · Grade B · Updated 2026-06-03

Across all 3 ZIP codes in Lake County, tap water consistently meets or exceeds federal safety standards.

How Lake County Compares

Lake County72/100
Tennessee avg69/100
National avg68/100

How Lake County Compares

B
County Grade
72/100
Avg Safety Score
3
ZIP Codes
2
Water Systems

Lake County scores 3 points above the Tennessee state average (69/100) and 4 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

B
County Grade
72
Avg Safety Score
3
ZIP Codes
Best ZIP: 38079 (90/100)
Lowest ZIP: 38007 (60/100)
$153K
Median Home Value
$1,500
Avg Remediation (98% of home value)

Key Risk Factors

Health risk index: 17.8 (asthma 11.5%, diabetes 17.6%)

Estimated additional annual cost per homeowner: $1,163, driven primarily by flood

County Health Indicators vs National Average

Asthma 11.5% (national: 8.9%)
Diabetes 17.6% (national: 10.5%)
Obesity 44.6% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $1,163

Flood $933/yr
Energy Code Gap $180/yr
Water / Lead $50/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Lake County

$153K
Median Home Value
$1,500
Est. Remediation Cost
1.0%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Lake 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 Lake County residents

Asthma 11.5% (US avg: 8.9%)
Diabetes 17.6% (US avg: 11%)
Obesity 44.6% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

All ZIP Codes in Lake County

3 ZIP codes tracked in Lake County.

# ZIP Code City Safety Score Grade Violations Home Value
1 38079 Tiptonville 90 A 0 $153K
2 38077 Wynnburg 66 C 0
3 38007 Bogota 60 C 0

Recommended Buyer Guides for Lake County

Four sources — EPA, NSF, FEMA, CDC — drive the match.

Overview

Lake County in Tennessee covers 3 ZIP codes with an average Home Safety Score of B (72/100).

No EPA violations recorded across any tracked ZIP codes in Lake County.

← Back to Tennessee water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Lake County?
Lake County receives a grade of B, indicating generally safe tap water across its 3 ZIP codes.
How many water systems serve Lake County?
Lake County is served by 2 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Lake County?
The primary environmental risk factor in Lake County is flood. This contributes to an estimated additional annual cost of $1,163 per homeowner.
How does Lake County compare to Tennessee?
Lake County has an average water safety score of 72/100, which is above the Tennessee state average of 69/100.

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