COUNTY REPORT AL

Chilton County, Alabama

6 ZIP codes · Avg score 70/100 · Grade B · Updated 2026-06-03

Chilton County — 6 ZIP codes, above-average safety grade.

How Chilton County Compares

Chilton County70/100
Alabama avg73/100
National avg68/100

How Chilton County Compares

B
County Grade
70/100
Avg Safety Score
6
ZIP Codes
8
Water Systems

Chilton 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

B
County Grade
70
Avg Safety Score
6
ZIP Codes
Best ZIP: 35171 (83/100)
Lowest ZIP: 36790 (53/100)
$135K
Median Home Value
$900
Avg Remediation (67% of home value)

ZIP Code Risk Map

Water Quality Map: Chilton County, Alabama

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 15.5 (asthma 10.3%, diabetes 15.5%)

Estimated additional annual cost per homeowner: $317, driven primarily by energy_code_gap

Infrastructure: 0.293% avg pipe failure probability

48.3% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 10.3% (national: 8.9%)
Diabetes 15.5% (national: 10.5%)
Obesity 41.1% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1987
Median Build Year
48.3%
Pre-1978 Housing
29%
Pipe Failure Probability
0%
ZIPs at High Infra Risk
Low
Lead Pipe Risk

Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $317

Energy Code Gap $150/yr
Water / Lead $100/yr
Flood $67/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

13,576 housing units in Chilton County

Pre-1940 7%
1940–1959 11%
1960–1979 28%
1980–1999 28%
2000+ 27%

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 Chilton County

$135K
Median Home Value
$900
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

Remediation costs are relatively manageable for most homeowners in Chilton 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 Chilton County residents

Asthma 10.3% (US avg: 8.9%)
Diabetes 15.5% (US avg: 11%)
Obesity 41.1% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water Systems with Most Violations

Top 5 systems in Chilton County ranked by EPA violation count.

# Water System Population Violations
1 Clanton Water Department 13,500 2
2 Jemison Water Works 4,365 2
3 Thorsby Water Works Board 3,579 2
4 Chilton Water Authority 27,681 0
5 Calera Water Works 26,982 0

8 total water systems serve Chilton County.

All ZIP Codes in Chilton County

6 ZIP codes tracked in Chilton County.

# ZIP Code City Safety Score Grade Violations Home Value
1 35171 Thorsby 83 B 0 $191K
2 36750 Maplesville 83 B 0 $135K
3 35045 Clanton 73 B 2 $164K
4 35085 Jemison 72 B 0 $122K
5 36758 Plantersville 53 D 0 $86K
6 36790 Stanton 53 D 0

Recommended Buyer Guides for Chilton 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.

Overview

Chilton County in Alabama covers 6 ZIP codes with an average Home Safety Score of B (70/100).

1 of 6 ZIP codes have recorded EPA violations. All violations are monitoring/reporting type.

← Back to Alabama water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Chilton County?
Chilton County receives a grade of B, indicating generally safe tap water across its 6 ZIP codes.
How many water systems serve Chilton County?
Chilton County is served by 8 public water systems that supply drinking water to residents across 6 ZIP codes.
What is the biggest environmental risk in Chilton County?
The primary environmental risk factor in Chilton County is energy_code_gap. This contributes to an estimated additional annual cost of $317 per homeowner.
How old are homes in Chilton County?
The median home build year in Chilton County is 1987. 48.3% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Chilton County compare to Alabama?
Chilton County has an average water safety score of 70/100, which is below the Alabama state average of 73/100.

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