Sequatchie County, Tennessee
2 ZIP codes · Avg score 74/100 · Grade B · Updated 2026-06-03
Across Sequatchie County's 2 ZIP codes, EPA compliance data shows above-average performance — violation rates are minimal, none of the county's systems have triggered health-based MCL exceedances in recent cycles, and the county's scores have stayed above the national baseline across every recent reporting period.
How Sequatchie County Compares
How Sequatchie County Compares
Sequatchie County scores 5 points above the Tennessee state average (69/100) and 6 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 17.2 (asthma 11.5%, diabetes 16.6%)
Estimated additional annual cost per homeowner: $645, driven primarily by flood
Infrastructure: 0.29% avg pipe failure probability
47% 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: $645
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,916 housing units in Sequatchie 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 Sequatchie County
Remediation costs are relatively manageable for most homeowners in Sequatchie 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 Sequatchie 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 Sequatchie County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Dunlap Water System | 9,782 | 7 |
| 2 | Cagle-fredonia U.d. | 3,363 | 7 |
| 3 | NORTHWEST UTILITY DISTRICT | 20,794 | 7 |
| 4 | Walden's Ridge U.d. | 9,265 | 7 |
| 5 | Tn American - Sequatchie Valley | 7,842 | 7 |
7 total water systems serve Sequatchie County.
All ZIP Codes in Sequatchie County
2 ZIP codes tracked in Sequatchie County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37327 | Dunlap | 82 | B | 7 | $218K |
| 2 | 37365 | Palmer | 66 | C | 0 | $98K |
Recommended Buyer Guides for Sequatchie County
Below: editorial picks, no sponsored placements.
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Sequatchie County in Tennessee covers 2 ZIP codes with an average Home Safety Score of B (74/100).
1 of 2 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.