COUNTY REPORT AL

Marion County, Alabama

9 ZIP codes · Avg score 72/100 · Grade B · Updated 2026-06-03

Water utilities serving Marion County's 9 ZIP codes have built a consistent compliance record — the county's above-average grade reflects years of data showing low violation rates and no systemic health concerns.

How Marion County Compares

Marion County72/100
Alabama avg73/100
National avg68/100

How Marion County Compares

B
County Grade
72/100
Avg Safety Score
9
ZIP Codes
11
Water Systems

Marion County scores 1 points below the Alabama state average (73/100) and 4 points above the national average (68/100).

Data: EPA SDWIS Last verified: 2026-06-03

B
County Grade
72
Avg Safety Score
9
ZIP Codes
Best ZIP: 35543 (83/100)
Lowest ZIP: 35551 (53/100)
$117K
Median Home Value
$1,044
Avg Remediation (89% of home value)

ZIP Code Risk Map

Water Quality Map: Marion 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: 16.5 (asthma 10.2%, diabetes 15.7%)

Estimated additional annual cost per homeowner: $382, driven primarily by energy_code_gap

Infrastructure: 0.359% avg pipe failure probability, 25% of ZIPs at high risk

55.6% of homes built before 1978 (lead paint era)

Violation History (2021–2024)

↑ Worsening trend

EPA violation counts by year across Marion County water systems. Health-based shown in red, total in blue.

2021
2 (2 health)
2022
7 (7 health)
2023
18 (18 health)
2024
4 (4 health)

Peak year: 2023 with 18 violations. Past 5 years: 31 total (31 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

Asthma 10.2% (national: 8.9%)
Diabetes 15.7% (national: 10.5%)
Obesity 41.9% (national: 32.4%)

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

Infrastructure Overview

1982
Median Build Year
55.6%
Pre-1978 Housing
36%
Pipe Failure Probability
25%
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: $382

Energy Code Gap $160/yr
Water / Lead $133/yr
Flood $89/yr

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

Housing Age Distribution

13,451 housing units in Marion County

Pre-1940 3%
1940–1959 13%
1960–1979 34%
1980–1999 33%
2000+ 16%

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 Marion County

$117K
Median Home Value
$1,044
Est. Remediation Cost
0.9%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.2% (US avg: 8.9%)
Diabetes 15.7% (US avg: 11%)
Obesity 41.9% (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 Marion County ranked by EPA violation count.

# Water System Population Violations
1 Marion County Public Water Authority 3,660 32
2 Hamilton Water and Wastewater Department 10,500 28
3 Winfield Water Works & Sewer Board 8,631 19
4 GUIN WATER & SEWER BOARD 4,350 15
5 Twin Water Authority 804 13

11 total water systems serve Marion County.

All ZIP Codes in Marion County

9 ZIP codes tracked in Marion County.

# ZIP Code City Safety Score Grade Violations Home Value
1 35543 Bear Creek 83 B 0 $128K
2 35548 Brilliant 82 B 4 (1 health) $65K
3 35564 Hackleburg 82 B 2 (1 health) $92K
4 35594 Winfield 81 B 2 $144K
5 35559 Glen Allen 79 B 3 (3 health)
6 35570 Hamilton 70 B 11 (4 health) $121K
7 35563 Guin 67 C 13 (4 health) $112K
8 35544 Beaverton 53 D 0 $117K
9 35551 Delmar 53 D 0

Recommended Buyer Guides for Marion County

Filtered against federal data, fitted to local risks.

Overview

Marion County in Alabama covers 9 ZIP codes with an average Home Safety Score of B (72/100).

6 of 9 ZIP codes have recorded EPA violations. 13 health-based violations have been documented.

← Back to Alabama water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Marion County?
Marion County receives a grade of B, indicating generally safe tap water across its 9 ZIP codes.
How many water systems serve Marion County?
Marion County is served by 11 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Marion County?
The primary environmental risk factor in Marion County is energy_code_gap. This contributes to an estimated additional annual cost of $382 per homeowner.
How old are homes in Marion County?
The median home build year in Marion County is 1982. 55.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Marion County compare to Alabama?
Marion County has an average water safety score of 72/100, which is below the Alabama state average of 73/100.

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