Stewart County, Tennessee
5 ZIP codes · Avg score 78/100 · Grade B · Updated 2026-07-19
ZipCheckup grade for Stewart: B.
This ZIP looks solid, with a few items worth a quick check.
Tracking 5 ZIP codes in Stewart County shows a water safety record well above the national median - violations are isolated exceptions, not recurring patterns.
How Stewart County Compares
How Stewart County Compares
Stewart County scores 9 points above the Tennessee state average (69/100) and 10 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-07-19
ZIP Code Risk Map
Water Quality Map: Stewart County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.6 (asthma 10.8%, diabetes 13.4%)
Estimated additional annual cost per homeowner: $724, driven primarily by energy_code_gap
Infrastructure: 0.34% avg pipe failure probability
49.6% of homes built before 1978 (lead paint era)
Violation History (2022–2024)
→ Stable trendEPA violation counts by year across Stewart County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 9 violations. Past 5 years: 11 total (11 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $724
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
6,720 housing units in Stewart 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 Stewart County
Remediation costs are relatively manageable for most homeowners in Stewart 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 Stewart County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Stewart County
8 community water systems serving Stewart County.
- B
- B
- B
- B
- B
- B
Show all 8 water systems
- B
- B
10 total water systems serve Stewart County.
Systems with the most violations in Stewart County
2 water systems with recorded EPA violations.
- B
- B
All ZIP Codes in Stewart County
5 ZIP codes tracked in Stewart County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37028 | Bumpus Mills | 83 | B | 0 | $154K |
| 2 | 37178 | Tennessee Ridge | 83 | B | 0 | $144K |
| 3 | 37050 | Cumberland City | 81 | B | 2 | $181K |
| 4 | 37058 | Dover | 80 | B | 7 (3 health) | $197K |
| 5 | 37023 | Big Rock | 63 | C | 0 | $189K |
Recommended Buyer Guides for Stewart County
Independent picks. EPA-grounded. Matched here.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Deep Dive Reports
Detailed analysis for Stewart County, Tennessee
Overview
Stewart County in Tennessee covers 5 ZIP codes with an average Home Safety Score of B (78/100).
2 of 5 ZIP codes have recorded EPA violations. 3 health-based violations 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.