COUNTY REPORT TX

Houston County, Texas

7 ZIP codes · Avg score 85/100 · Grade A · Updated 2026-06-03

Based on current EPA data, Houston County's 7 ZIP codes maintain an above-average drinking water safety record.

How Houston County Compares

Houston County85/100
Texas avg82/100
National avg68/100

How Houston County Compares

A
County Grade
85/100
Avg Safety Score
7
ZIP Codes
15
Water Systems

Houston County scores 3 points above the Texas state average (82/100) and 17 points above the national average (68/100).

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

A
County Grade
85
Avg Safety Score
7
ZIP Codes
Best ZIP: 75847 (99/100)
Lowest ZIP: 75849 (73/100)
$144K
Median Home Value
$2,250
Avg Remediation (156% of home value)

ZIP Code Risk Map

Water Quality Map: Houston 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: 15.7 (asthma 10.6%, diabetes 16.8%)

Estimated additional annual cost per homeowner: $1,054, driven primarily by wildfire

Infrastructure: 0.36% avg pipe failure probability, 29% of ZIPs at high risk

59.4% of homes built before 1978 (lead paint era)

Violation History (2021–2025)

↑ Worsening trend

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

2021
1 (1 health)
2023
1 (1 health)
2024
27 (27 health)
2025
13 (13 health)

Peak year: 2024 with 27 violations. Past 5 years: 42 total (42 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 10.6% (national: 8.9%)
Diabetes 16.8% (national: 10.5%)
Obesity 38.2% (national: 32.4%)

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

Infrastructure Overview

1972
Median Build Year
59.4%
Pre-1978 Housing
36%
Pipe Failure Probability
29%
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: $1,054

Wildfire $300/yr
Flood $286/yr
Energy Code Gap $283/yr

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

Housing Age Distribution

11,415 housing units in Houston County

Pre-1940 7%
1940–1959 11%
1960–1979 33%
1980–1999 31%
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 Houston County

$144K
Median Home Value
$2,250
Est. Remediation Cost
1.6%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.6% (US avg: 8.9%)
Diabetes 16.8% (US avg: 11%)
Obesity 38.2% (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 Houston County ranked by EPA violation count.

# Water System Population Violations
1 The Consolidated Water Supply Corporation Rural System 10,689 33
2 Pennington Water Supply Corporation 2,839 29
3 The Consolidated Water Supply Corporation Central System 3,878 27
4 City of Crockett 7,755 26
5 Houston County Wcid 1 48 26

15 total water systems serve Houston County.

All ZIP Codes in Houston County

7 ZIP codes tracked in Houston County.

# ZIP Code City Safety Score Grade Violations Home Value
1 75847 Kennard 99 A 1 $137K
2 75858 Ratcliff 93 A 3
3 75851 Lovelady 87 A 0 $166K
4 75856 Pennington 87 A 2
5 75844 Grapeland 83 B 7 (1 health) $159K
6 75835 Crockett 73 B 26 (5 health) $144K
7 75849 Latexo 73 B 0 $86K

Recommended Buyer Guides for Houston County

Filtered against federal data, fitted to local risks.

Overview

Houston County in Texas covers 7 ZIP codes with an average Home Safety Score of A (85/100).

5 of 7 ZIP codes have recorded EPA violations. 6 health-based violations have been documented.

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Houston County?
Houston County receives a grade of A, indicating generally safe tap water across its 7 ZIP codes.
How many water systems serve Houston County?
Houston County is served by 15 public water systems that supply drinking water to residents across 7 ZIP codes.
What is the biggest environmental risk in Houston County?
The primary environmental risk factor in Houston County is wildfire. This contributes to an estimated additional annual cost of $1,054 per homeowner.
How old are homes in Houston County?
The median home build year in Houston County is 1972. 59.4% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Houston County compare to Texas?
Houston County has an average water safety score of 85/100, which is above the Texas state average of 82/100.

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