Wilkes County, Georgia
3 ZIP codes · Avg score 92/100 · Grade A · Updated 2026-06-03
Water systems in Wilkes County serve 3 ZIP codes with few reported safety events.
How Wilkes County Compares
How Wilkes County Compares
Wilkes County scores 17 points above the Georgia state average (75/100) and 24 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 16.5 (asthma 10.8%, diabetes 18.9%)
Estimated additional annual cost per homeowner: $503, driven primarily by energy_code_gap
Infrastructure: 0.347% avg pipe failure probability, 33% of ZIPs at high risk
66.3% of homes built before 1978 (lead paint era)
Violation History (2023–2025)
→ Stable trendEPA violation counts by year across Wilkes County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 3 violations. Past 5 years: 5 total (5 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: $503
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
5,559 housing units in Wilkes 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 Wilkes County
Remediation costs are relatively manageable for most homeowners in Wilkes 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 Wilkes County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 4 systems in Wilkes County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Tignall Water System | 729 | 5 |
| 2 | Washington | 6,490 | 4 |
| 3 | Rayle Water System | 200 | 1 |
| 4 | Lincolnton | 1,657 | 1 |
All ZIP Codes in Wilkes County
3 ZIP codes tracked in Wilkes County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 30668 | Tignall | 99 | A | 1 | $121K |
| 2 | 30660 | Rayle | 97 | A | 1 | $114K |
| 3 | 30673 | Washington | 79 | B | 4 (4 health) | $109K |
Recommended Buyer Guides for Wilkes County
Strictly editorial — no paid placements influence which guides appear; the selection draws on NSF certifications and EPA detection records for water systems serving this county.
- Best Lead Paint Test Kits — 66.3% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
Overview
Wilkes County in Georgia covers 3 ZIP codes with an average Home Safety Score of A (92/100).
3 of 3 ZIP codes have recorded EPA violations. 4 health-based violations have been documented.
← Back to Georgia 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.