COUNTY REPORT TX

Martin County, Texas

3 ZIP codes · Avg score 67/100 · Grade C · Updated 2026-06-03

Although much of Martin County meets baseline standards, some of its 3 ZIP codes show violations that merit closer attention.

How Martin County Compares

Martin County67/100
Texas avg82/100
National avg68/100

How Martin County Compares

C
County Grade
67/100
Avg Safety Score
3
ZIP Codes
4
Water Systems

Martin County scores 15 points below the Texas state average (82/100) and 1 points below the national average (68/100).

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

C
County Grade
67
Avg Safety Score
3
ZIP Codes
Best ZIP: 79782 (70/100)
Lowest ZIP: 79783 (66/100)
$163K
Median Home Value
$1,200
Avg Remediation (74% of home value)

Key Risk Factors

Health risk index: 12.1 (asthma 9.6%, diabetes 12.1%)

Estimated additional annual cost per homeowner: $841, driven primarily by energy_code_gap

Infrastructure: 0.44% avg pipe failure probability, 67% of ZIPs at high risk

66.7% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

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

2021
3 (3 health)
2022
4 (4 health)
2023
8 (8 health)
2024
11 (11 health)
2025
17 (17 health)

Peak year: 2025 with 17 violations. Past 5 years: 43 total (43 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 9.6% (national: 8.9%)
Diabetes 12.1% (national: 10.5%)
Obesity 36% (national: 32.4%)

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

Infrastructure Overview

1972
Median Build Year
66.7%
Pre-1978 Housing
44%
Pipe Failure Probability
67%
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: $841

Energy Code Gap $360/yr
Wildfire $200/yr
Water / Lead $150/yr

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

Housing Age Distribution

2,033 housing units in Martin County

Pre-1940 5%
1940–1959 19%
1960–1979 33%
1980–1999 26%
2000+ 18%

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 Martin County

$163K
Median Home Value
$1,200
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.6% (US avg: 8.9%)
Diabetes 12.1% (US avg: 11%)
Obesity 36% (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 4 systems in Martin County ranked by EPA violation count.

# Water System Population Violations
1 City of Stanton 2,657 48
2 Greenwood Water System 915 26
3 Countryside Acres Hoa 45 26
4 Martin County Fwsd 1 54 22

All ZIP Codes in Martin County

3 ZIP codes tracked in Martin County.

# ZIP Code City Safety Score Grade Violations Home Value
1 79782 Stanton 70 B 26 (10 health) $163K
2 79749 Lenorah 66 C 22 (18 health) $174K
3 79783 Tarzan 66 C 0 $163K

Recommended Buyer Guides for Martin 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

Martin County in Texas covers 3 ZIP codes with an average Home Safety Score of C (67/100).

2 of 3 ZIP codes have recorded EPA violations. 28 health-based violations have been documented.

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Martin County?
Martin County receives a grade of C. Some ZIP codes have recorded violations and residents in affected areas may want to test their water.
How many water systems serve Martin County?
Martin County is served by 4 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Martin County?
The primary environmental risk factor in Martin County is energy_code_gap. This contributes to an estimated additional annual cost of $841 per homeowner.
How old are homes in Martin County?
The median home build year in Martin County is 1972. 66.7% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Martin County compare to Texas?
Martin County has an average water safety score of 67/100, which is below the Texas state average of 82/100.

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