Colbert County, Alabama
9 ZIP codes · Avg score 60/100 · Grade C · Updated 2026-06-03
Monitoring figures for Colbert County indicate average water quality overall — some ZIP codes among the 9 tracked have recorded health-based violations, while others operate cleanly, making individual ZIP-level data the most actionable reference point.
How Colbert County Compares
How Colbert County Compares
Colbert County scores 13 points below the Alabama state average (73/100) and 8 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Colbert County, Alabama
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 15.2 (asthma 10.3%, diabetes 15.2%)
Estimated additional annual cost per homeowner: $882, driven primarily by flood
Infrastructure: 0.32% avg pipe failure probability, 22% of ZIPs at high risk
57.1% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
↑ Worsening trendEPA violation counts by year across Colbert County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 6 violations. Past 5 years: 10 total (10 health-based). Health-based violations are rising versus the prior 2-year window — worth closer monitoring.
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
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: $882
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
31,084 housing units in Colbert 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 Colbert County
Remediation costs are relatively manageable for most homeowners in Colbert 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 Colbert 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 Colbert County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | Muscle Shoals Utility Board | 22,467 | 16 |
| 2 | Sheffield Utitlies, City of Sheffield Db | 13,758 | 8 |
| 3 | Lagrange Mountain Water Authority | 1,242 | 6 |
| 4 | Leighton, Wsb of the Town of | 1,203 | 6 |
| 5 | Tuscumbia Water Works | 14,400 | 6 |
14 total water systems serve Colbert County.
All ZIP Codes in Colbert County
9 ZIP codes tracked in Colbert County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 35616 | Cherokee | 69 | C | 1 (1 health) | $94K |
| 2 | 35646 | Leighton | 65 | C | 6 (2 health) | $114K |
| 3 | 35662 | Muscle Shoals | 65 | C | 2 | — |
| 4 | 35672 | Town Creek | 65 | C | 0 | $125K |
| 5 | 35661 | Muscle Shoals | 64 | C | 2 | $190K |
| 6 | 35674 | Tuscumbia | 63 | C | 4 | $177K |
| 7 | 35660 | Sheffield | 57 | C | 2 (2 health) | $129K |
| 8 | 35651 | Mount Hope | 53 | D | 0 | $185K |
| 9 | 35585 | Spruce Pine | 40 | D | 0 | $221K |
Recommended Buyer Guides for Colbert County
Where county records show a lead exceedance or pre-1978 housing concentration, lead-specific filters and test kits move toward the top of the list.
- Best Lead Paint Test Kits — 57.1% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- 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 Colbert County, Alabama
Overview
Colbert County in Alabama covers 9 ZIP codes with an average Home Safety Score of C (60/100).
6 of 9 ZIP codes have recorded EPA violations. 5 health-based violations 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.