Dallas County, Alabama
9 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03
Compared to top-scoring counties, Dallas County's 9 ZIP codes land in the middle tier — some meet standards cleanly, others carry documented violations, and the gap between the best and worst areas is wider than average.
How Dallas County Compares
How Dallas County Compares
Dallas County scores 6 points below the Alabama state average (73/100) and 1 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Dallas County, Alabama
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 18.2 (asthma 11.6%, diabetes 22.4%)
Estimated additional annual cost per homeowner: $901, driven primarily by flood
Infrastructure: 0.3% avg pipe failure probability, 11% of ZIPs at high risk
54.8% 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: $901
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
19,752 housing units in Dallas 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 Dallas County
Remediation costs are relatively manageable for most homeowners in Dallas 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 Dallas 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 Dallas County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | City of Selma, the Ww and Sb of the | 21,834 | 27 |
| 2 | North Dallas Water Authority | 8,838 | 27 |
| 3 | Dallas County Water & Sewer Authority | 4,152 | 27 |
| 4 | ORRVILLE WATER DEPARTMENT, TOWN OF | 435 | 1 |
| 5 | Mosses Water & Fire Pro Authority | 1,704 | 1 |
9 total water systems serve Dallas County.
All ZIP Codes in Dallas County
9 ZIP codes tracked in Dallas County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 36767 | Orrville | 83 | B | 1 | $96K |
| 2 | 36775 | Sardis | 83 | B | 1 | $111K |
| 3 | 36702 | Selma | 74 | B | 9 | — |
| 4 | 36701 | Selma | 64 | C | 9 | $111K |
| 5 | 36703 | Selma | 64 | C | 9 | $74K |
| 6 | 36759 | Marion Junction | 63 | C | 0 | $61K |
| 7 | 36761 | Minter | 63 | C | 0 | $50K |
| 8 | 36773 | Safford | 53 | D | 0 | $264K |
| 9 | 36785 | Tyler | 53 | D | 0 | $101K |
Recommended Buyer Guides for Dallas County
Editorial methodology pairs each documented risk in this county with the buyer category that addresses it, drawing on water-quality detections, housing-stock lead exposure, EPA Radon Zone designation, and FEMA flood and wildfire ratings. NSF-certified options surface where applicable, and products that match the specific contaminant take priority.
- Best Lead Paint Test Kits — 54.8% 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 Dallas County, Alabama
Overview
Dallas County in Alabama covers 9 ZIP codes with an average Home Safety Score of C (67/100).
5 of 9 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.
← Back to Alabama 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.