Chatham County, Georgia
24 ZIP codes · Avg score 81/100 · Grade B · Updated 2026-06-03
Within Chatham County's 24 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How Chatham County Compares
How Chatham County Compares
Chatham County scores 6 points above the Georgia state average (75/100) and 13 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Chatham County, Georgia
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.7 (asthma 10.2%, diabetes 13%)
Estimated additional annual cost per homeowner: $4,841, driven primarily by sea_level
Infrastructure: 0.281% avg pipe failure probability, 13% of ZIPs at high risk
47.8% 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: $4,841
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
136,041 housing units in Chatham 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 Chatham County
Remediation costs are relatively manageable for most homeowners in Chatham 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 Chatham 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 Chatham County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Savannah-main | 168,958 | 219 |
| 2 | Larchmont Estates Subdivision | 11,799 | 219 |
| 3 | Georgia Southern University | 20,357 | 209 |
| 4 | The Landings Subdivision | 11,058 | 209 |
| 5 | Big Canoe Subdivision | 6,396 | 209 |
24 total water systems serve Chatham County.
All ZIP Codes in Chatham County
24 ZIP codes tracked in Chatham County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 31099 | Warner Robins | 95 | A | 0 | — |
| 2 | 31403 | Savannah | 91 | A | 11 | — |
| 3 | 31409 | Savannah | 91 | A | 11 | — |
| 4 | 31416 | Savannah | 91 | A | 11 | — |
| 5 | 31418 | Savannah | 91 | A | 11 | — |
| 6 | 31420 | Savannah | 91 | A | 11 | — |
| 7 | 31412 | Savannah | 87 | A | 11 | — |
| 8 | 31414 | Savannah | 87 | A | 11 | — |
| 9 | 31421 | Savannah | 87 | A | 11 | — |
| 10 | 31322 | Pooler | 84 | B | 10 (1 health) | $284K |
| 11 | 31302 | Bloomingdale | 83 | B | 4 | $199K |
| 12 | 31402 | Savannah | 82 | B | 11 | — |
| 13 | 31328 | Tybee Island | 80 | B | 1 | $615K |
| 14 | 31401 | Savannah | 77 | B | 11 | $478K |
| 15 | 31407 | Savannah | 77 | B | 11 | $223K |
| 16 | 31408 | Savannah | 77 | B | 11 | $161K |
| 17 | 31309 | Fleming | 73 | B | 0 | $84K |
| 18 | 31404 | Savannah | 72 | B | 11 | $193K |
| 19 | 31405 | Savannah | 72 | B | 11 | $305K |
| 20 | 31410 | Savannah | 72 | B | 11 | $368K |
| 21 | 31411 | Savannah | 72 | B | 11 | $765K |
| 22 | 31415 | Savannah | 72 | B | 11 | $112K |
| 23 | 31419 | Savannah | 72 | B | 11 | $240K |
| 24 | 31406 | Savannah | 67 | C | 11 | $261K |
Recommended Buyer Guides for Chatham County
Independent picks. EPA-grounded. Matched here.
- Best Water Testing Kits — Baseline water quality check for your ZIP
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant peace of mind
Deep Dive Reports
Detailed analysis for Chatham County, Georgia
Overview
Chatham County in Georgia covers 24 ZIP codes with an average Home Safety Score of B (81/100).
22 of 24 ZIP codes have recorded EPA violations. 1 health-based violation 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.