Shelby County, Alabama
20 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03
EPA monitoring reports for Shelby County cover 20 ZIP codes and tell a largely reassuring story — compliance rates are high and health-based violations are far below the national norm.
How Shelby County Compares
How Shelby County Compares
Shelby County scores 3 points below the Alabama state average (73/100) and 2 points above the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Shelby County, Alabama
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 12.4 (asthma 9.4%, diabetes 11.4%)
Estimated additional annual cost per homeowner: $586, driven primarily by flood
Infrastructure: 0.232% avg pipe failure probability
32.9% 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: $586
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
97,464 housing units in Shelby 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 Shelby County
Remediation costs are relatively manageable for most homeowners in Shelby 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 Shelby 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 Shelby County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Alabaster Water Board | 41,061 | 12 |
| 2 | Calera Water Works | 26,982 | 12 |
| 3 | Montevallo Water Works & Sewer | 9,741 | 12 |
| 4 | CENTRAL ALABAMA WATER SYSTEM | 585,000 | 12 |
| 5 | Shelby County Commission-water Services | 40,101 | 11 |
25 total water systems serve Shelby County.
All ZIP Codes in Shelby County
20 ZIP codes tracked in Shelby County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 35051 | Columbiana | 83 | B | 0 | $248K |
| 2 | 35078 | Harpersville | 83 | B | 0 | $191K |
| 3 | 35186 | Wilsonville | 83 | B | 0 | $289K |
| 4 | 35187 | Wilton | 83 | B | 0 | — |
| 5 | 35040 | Calera | 81 | B | 5 | $211K |
| 6 | 35115 | Montevallo | 79 | B | 4 (1 health) | $166K |
| 7 | 35080 | Helena | 78 | B | 0 | $279K |
| 8 | 35147 | Sterrett | 78 | B | 8 | $283K |
| 9 | 35242 | Birmingham | 76 | B | 2 | $452K |
| 10 | 35244 | Birmingham | 76 | B | 2 | $391K |
| 11 | 35178 | Vincent | 74 | B | 3 | $152K |
| 12 | 35007 | Alabaster | 72 | B | 3 | $232K |
| 13 | 35124 | Pelham | 68 | C | 0 | $283K |
| 14 | 35114 | Maylene | 63 | C | 0 | $280K |
| 15 | 35143 | Shelby | 63 | C | 0 | $212K |
| 16 | 35035 | Brierfield | 53 | D | 0 | — |
| 17 | 35137 | Saginaw | 53 | D | 0 | — |
| 18 | 35144 | Siluria | 53 | D | 0 | — |
| 19 | 35176 | Vandiver | 53 | D | 0 | $114K |
| 20 | 35185 | Westover | 53 | D | 0 | — |
Recommended Buyer Guides for Shelby County
Below: editorial picks, no sponsored placements.
- 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 Shelby County, Alabama
Overview
Shelby County in Alabama covers 20 ZIP codes with an average Home Safety Score of B (70/100).
7 of 20 ZIP codes have recorded EPA violations. 1 health-based violation have been documented.
← 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.