COUNTY REPORT TX

Concho County, Texas

7 ZIP codes · Avg score 69/100 · Grade C · Updated 2026-06-03

Tracking 7 ZIP codes in Concho County reveals a mixed picture — tap water quality varies meaningfully by location.

How Concho County Compares

Concho County69/100
Texas avg82/100
National avg68/100

How Concho County Compares

C
County Grade
69/100
Avg Safety Score
7
ZIP Codes
4
Water Systems

Concho County scores 13 points below the Texas state average (82/100) and 1 points above the national average (68/100).

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

C
County Grade
69
Avg Safety Score
7
ZIP Codes
Best ZIP: 76837 (96/100)
Lowest ZIP: 76937 (55/100)
$225K
Median Home Value
$567
Avg Remediation (25% of home value)

ZIP Code Risk Map

Water Quality Map: Concho County, Texas

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: 13.8 (asthma 9.5%, diabetes 14.2%)

Estimated additional annual cost per homeowner: $770, driven primarily by energy_code_gap

Infrastructure: 0.414% avg pipe failure probability, 71% of ZIPs at high risk

65.6% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

↑ Worsening trend

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

2022
4 (4 health)
2023
8 (8 health)
2024
29 (29 health)
2025
64 (64 health)

Peak year: 2025 with 64 violations. Past 5 years: 105 total (105 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 9.5% (national: 8.9%)
Diabetes 14.2% (national: 10.5%)
Obesity 36.9% (national: 32.4%)

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

Infrastructure Overview

1979
Median Build Year
65.6%
Pre-1978 Housing
41%
Pipe Failure Probability
71%
ZIPs at High Infra Risk
High
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: $770

Energy Code Gap $334/yr
Wildfire $257/yr
Water / Lead $179/yr

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

Housing Age Distribution

1,296 housing units in Concho County

Pre-1940 16%
1940–1959 26%
1960–1979 22%
1980–1999 17%
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 Concho County

$225K
Median Home Value
$567
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.5% (US avg: 8.9%)
Diabetes 14.2% (US avg: 11%)
Obesity 36.9% (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 4 systems in Concho County ranked by EPA violation count.

# Water System Population Violations
1 Eola Water Supply Corporation 165 90
2 MILLERSVIEW DOOLE WSC 3,987 37
3 City of Eden 2,120 3
4 Coleman County Special Utility District 5,000 0

All ZIP Codes in Concho County

7 ZIP codes tracked in Concho County.

# ZIP Code City Safety Score Grade Violations Home Value
1 76837 Eden 96 A 3 $89K
2 76836 Doole 66 C 0
3 76862 Millersview 66 C 34 (21 health)
4 76888 Voss 66 C 0
5 76940 Mereta 66 C 0
6 76955 Vancourt 66 C 0 $225K
7 76937 Eola 55 C 90 (20 health) $1088K

Recommended Buyer Guides for Concho County

While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.

Overview

Concho County in Texas covers 7 ZIP codes with an average Home Safety Score of C (69/100).

3 of 7 ZIP codes have recorded EPA violations. 41 health-based violations have been documented.

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Concho County?
Concho 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 Concho County?
Concho County is served by 4 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Concho County?
The primary environmental risk factor in Concho County is energy_code_gap. This contributes to an estimated additional annual cost of $770 per homeowner.
How old are homes in Concho County?
The median home build year in Concho County is 1979. 65.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Concho County compare to Texas?
Concho County has an average water safety score of 69/100, which is below the Texas state average of 82/100.

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