Loudon County, Tennessee
5 ZIP codes · Avg score 55/100 · Grade C · Updated
ZipCheckup grade for Loudon County: C.
A mixed picture - some signals here are worth your attention.
Spanning 5 ZIP codes, Loudon County lands near the national median for water safety - compliance results are mixed, and the county's middle-grade standing reflects genuine variability rather than a single systemic problem.
How Loudon County Compares
How Loudon County Compares
Loudon County scores 17 points below the Tennessee state average (72/100) and 18 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Loudon County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.5 (asthma 10.3%, diabetes 15.1%)
Estimated additional annual cost per homeowner: $890, driven primarily by flood
43.2% of homes built before 1978 (lead paint era)
Violation History (2022–2025)
→ Stable trendEPA violation counts by year across Loudon County water systems. Health-based shown in red, total in blue.
Peak year: 2022 with 2 violations. Past 5 years: 4 total (4 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
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $890
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
27,661 housing units in Loudon 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 Loudon County
Remediation costs are relatively manageable for most homeowners in Loudon 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 Loudon County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Loudon County
8 community water systems serving Loudon County.
- D
- D
- C
- C
- C
- C
Show all 8 water systems
- C
- C
12 total water systems serve Loudon County.
Systems with the most violations in Loudon County
5 water systems with recorded EPA violations.
- C
- C
- D
- C
- C
All ZIP Codes in Loudon County
5 ZIP codes tracked in Loudon County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 37846 | Philadelphia | 63 | C | 8 | $200K |
| 2 | 37742 | Greenback | 62 | C | 8 (1 health) | $270K |
| 3 | 37774 | Loudon | 60 | C | 9 (1 health) | $330K |
| 4 | 37772 | Lenoir City | 47 | D | 5 (1 health) | $367K |
| 5 | 37771 | Lenoir City | 45 | D | 7 (1 health) | $237K |
Recommended Buyer Guides for Loudon County
Filtered against EPA monitoring data and CDC lead-exposure guidance, the guides below skip the generic catalog and connect directly to the contaminants and hazards on file here.
- 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 Loudon County, Tennessee
Overview
Loudon County in Tennessee covers 5 tracked ZIP records with an average Home Safety Score of C (55/100) across 5 scored records.
5 of 5 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 2 health-based violations appear in the available health breakdown.
← Back to Tennessee Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.