Blount County, Tennessee
12 ZIP codes · Avg score 57/100 · Grade C · Updated 2026-06-03
Across Blount County, EPA compliance data for 12 ZIP codes sits at a moderate level — not alarming, but not uniformly clean either.
How Blount County Compares
How Blount County Compares
Blount County scores 12 points below the Tennessee state average (69/100) and 11 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Blount 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 10.5%, diabetes 13.5%)
Estimated additional annual cost per homeowner: $805, driven primarily by flood
Infrastructure: 0.267% avg pipe failure probability
44.8% 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: $805
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
59,354 housing units in Blount 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 Blount County
Remediation costs are relatively manageable for most homeowners in Blount 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 Blount 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 Blount County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | SOUTH BLOUNT UTILITY DISTRICT | 53,864 | 12 |
| 2 | City of Maryville W&s Department | 49,135 | 7 |
| 3 | Tuckaleechee Utility District | 14,522 | 7 |
| 4 | Friendsville Water Works | 5,437 | 4 |
| 5 | Tellico Area Services System | 14,836 | 4 |
8 total water systems serve Blount County.
All ZIP Codes in Blount County
12 ZIP codes tracked in Blount County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37777 | Louisville | 70 | B | 0 | $297K |
| 2 | 37737 | Friendsville | 69 | C | 3 | $294K |
| 3 | 37801 | Maryville | 66 | C | 1 (1 health) | $269K |
| 4 | 37803 | Maryville | 66 | C | 1 (1 health) | $313K |
| 5 | 37882 | Townsend | 66 | C | 5 | $292K |
| 6 | 37701 | Alcoa | 65 | C | 0 | $240K |
| 7 | 37802 | Maryville | 61 | C | 1 (1 health) | — |
| 8 | 37804 | Maryville | 61 | C | 1 (1 health) | $224K |
| 9 | 37886 | Walland | 45 | D | 0 | $207K |
| 10 | 37742 | Greenback | 40 | D | 0 | $270K |
| 11 | 37853 | Rockford | 40 | D | 0 | $225K |
| 12 | 37878 | Tallassee | 40 | D | 0 | $295K |
Recommended Buyer Guides for Blount County
If FEMA records flag flood-top-risk status or EPA samples show PFAS exceedances, the matching logic lifts emergency-water and PFAS-rated filtration into the recommendations — federal data drives the order, not retailer arrangements.
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- 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 Blount County, Tennessee
Overview
Blount County in Tennessee covers 12 ZIP codes with an average Home Safety Score of C (57/100).
6 of 12 ZIP codes have recorded EPA violations. 4 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.