Jefferson County, Tennessee
5 ZIP codes · Avg score 64/100 · Grade C · Updated 2026-06-03
Monitoring figures for Jefferson County indicate average water quality overall — some ZIP codes among the 5 tracked have recorded health-based violations, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Jefferson County Compares
How Jefferson County Compares
Jefferson County scores 5 points below the Tennessee state average (69/100) and 4 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Jefferson County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 14.7 (asthma 10.9%, diabetes 13.3%)
Estimated additional annual cost per homeowner: $910, driven primarily by flood
Infrastructure: 0.314% avg pipe failure probability
48.6% 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: $910
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
24,728 housing units in Jefferson 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 Jefferson County
Remediation costs are relatively manageable for most homeowners in Jefferson 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 Jefferson 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 Jefferson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Dandridge Water Mgmt Facility | 9,931 | 10 |
| 2 | Shady Grove Utility District | 25,320 | 6 |
| 3 | Alpha-talbott Utility District | 19,075 | 6 |
| 4 | White Pine Water System | 4,171 | 5 |
| 5 | Jefferson City W&s Commission | 9,764 | 5 |
14 total water systems serve Jefferson County.
All ZIP Codes in Jefferson County
5 ZIP codes tracked in Jefferson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37725 | Dandridge | 70 | B | 1 | $235K |
| 2 | 37760 | Jefferson City | 70 | B | 1 | $234K |
| 3 | 37890 | White Pine | 63 | C | 4 | $204K |
| 4 | 37820 | New Market | 62 | C | 4 | $194K |
| 5 | 37871 | Strawberry Plains | 53 | D | 0 | $190K |
Recommended Buyer Guides for Jefferson County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Jefferson County, Tennessee
Overview
Jefferson County in Tennessee covers 5 ZIP codes with an average Home Safety Score of C (64/100).
4 of 5 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.