Gilmer County, Georgia
3 ZIP codes · Avg score 66/100 · Grade C · Updated 2026-06-03
The systems supplying Gilmer County's 3 ZIP codes vary in performance — most meet minimum standards, but violations in select areas are on record.
How Gilmer County Compares
How Gilmer County Compares
Gilmer County scores 9 points below the Georgia state average (75/100) and 2 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
Key Risk Factors
Health risk index: 14.9 (asthma 9.7%, diabetes 15.2%)
Estimated additional annual cost per homeowner: $1,667, driven primarily by flood
Infrastructure: 0.28% avg pipe failure probability
44.3% 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: $1,667
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
16,239 housing units in Gilmer 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 Gilmer County
Remediation costs are relatively manageable for most homeowners in Gilmer 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 Gilmer 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 Gilmer County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Ellijay-gilmer Company Water Authority | 13,010 | 18 |
| 2 | Eagles Mountain Campground | 1,820 | 18 |
| 3 | Walnut Mountain S/d Poa | 1,105 | 18 |
| 4 | Carters Lake Estates | 148 | 18 |
| 5 | Anderson Farms | 35 | 18 |
6 total water systems serve Gilmer County.
All ZIP Codes in Gilmer County
3 ZIP codes tracked in Gilmer County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 30536 | Ellijay | 67 | C | 9 | $302K |
| 2 | 30540 | Ellijay | 67 | C | 9 | $268K |
| 3 | 30539 | East Ellijay | 63 | C | 0 | $133K |
Recommended Buyer Guides for Gilmer 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 Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Overview
Gilmer County in Georgia covers 3 ZIP codes with an average Home Safety Score of C (66/100).
2 of 3 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.