Gibson County, Tennessee
9 ZIP codes · Avg score 84/100 · Grade B · Updated 2026-06-03
Within Gibson County's 9 tracked ZIP codes, safety indicators remain above the national average with few health-based violations on record.
How Gibson County Compares
How Gibson County Compares
Gibson County scores 15 points above the Tennessee state average (69/100) and 16 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Gibson County, Tennessee
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.4 (asthma 11.4%, diabetes 14.7%)
Estimated additional annual cost per homeowner: $1,102, driven primarily by flood
Infrastructure: 0.309% avg pipe failure probability
60.4% 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: $1,102
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
23,556 housing units in Gibson 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 Gibson County
Remediation costs are relatively manageable for most homeowners in Gibson 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 Gibson 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 Gibson County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Gibson Company Muni Water District #1 | 2,433 | 24 |
| 2 | Dyer Water Department | 2,783 | 21 |
| 3 | Rutherford Water Works | 1,404 | 21 |
| 4 | Sharon Water System | 1,236 | 19 |
| 5 | County Line Trailer Park | 61 | 19 |
17 total water systems serve Gibson County.
All ZIP Codes in Gibson County
9 ZIP codes tracked in Gibson County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 38338 | Gibson | 99 | A | 0 | — |
| 2 | 38316 | Bradford | 95 | A | 0 | $117K |
| 3 | 38369 | Rutherford | 93 | A | 2 | $104K |
| 4 | 38358 | Milan | 88 | A | 1 | $158K |
| 5 | 38343 | Humboldt | 85 | A | 1 | $164K |
| 6 | 38382 | Trenton | 83 | B | 2 | $115K |
| 7 | 38330 | Dyer | 81 | B | 19 | $119K |
| 8 | 38346 | Idlewild | 66 | C | 0 | — |
| 9 | 38355 | Medina | 66 | C | 0 | $264K |
Recommended Buyer Guides for Gibson County
Federal and certification sources drive the ordering: EPA monitoring data, NSF certifications, FEMA flood maps, and CDC lead guidance — guides surface only when county data warrants them.
- Best Lead Paint Test Kits — 60.4% of homes built before 1978
- 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 Gibson County, Tennessee
Overview
Gibson County in Tennessee covers 9 ZIP codes with an average Home Safety Score of B (84/100).
5 of 9 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← 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.