COUNTY REPORT TX

Tyler County, Texas

9 ZIP codes · Avg score 79/100 · Grade B · Updated 2026-06-03

Tyler County earns a high water safety grade — 9 ZIP codes tracked, virtually all compliant.

How Tyler County Compares

Tyler County79/100
Texas avg82/100
National avg68/100

How Tyler County Compares

B
County Grade
79/100
Avg Safety Score
9
ZIP Codes
13
Water Systems

Tyler County scores 3 points below the Texas state average (82/100) and 11 points above the national average (68/100).

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

B
County Grade
79
Avg Safety Score
9
ZIP Codes
Best ZIP: 75936 (94/100)
Lowest ZIP: 77332 (66/100)
$144K
Median Home Value
$1,513
Avg Remediation (105% of home value)

ZIP Code Risk Map

Water Quality Map: Tyler 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 10.7%, diabetes 15.3%)

Estimated additional annual cost per homeowner: $3,742, driven primarily by sea_level

Infrastructure: 0.349% avg pipe failure probability, 13% of ZIPs at high risk

58.6% of homes built before 1978 (lead paint era)

Violation History (2022–2025)

↑ Worsening trend

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

2022
10 (10 health)
2023
2 (2 health)
2024
11 (11 health)
2025
8 (8 health)

Peak year: 2024 with 11 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 10.7% (national: 8.9%)
Diabetes 15.3% (national: 10.5%)
Obesity 38.8% (national: 32.4%)

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

Infrastructure Overview

1984
Median Build Year
58.6%
Pre-1978 Housing
35%
Pipe Failure Probability
13%
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: $3,742

Sea Level Rise $2,422/yr
Flood $689/yr
Wildfire $300/yr

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

Housing Age Distribution

8,131 housing units in Tyler County

Pre-1940 4%
1940–1959 11%
1960–1979 29%
1980–1999 37%
2000+ 20%

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 Tyler County

$144K
Median Home Value
$1,513
Est. Remediation Cost
1.1%
of Home Value
Remediation as % of home value low burden

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

Asthma 10.7% (US avg: 8.9%)
Diabetes 15.3% (US avg: 11%)
Obesity 38.8% (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 Tyler County ranked by EPA violation count.

# Water System Population Violations
1 CITY OF WOODVILLE 6,069 98
2 TYLER COUNTY SUD 5,872 71
3 Seneca Water Supply Corporation 1,020 70
4 Cypress Creek Water Supply Corporation 879 70
5 Windmill Mobile Home Estates 58 70

13 total water systems serve Tyler County.

All ZIP Codes in Tyler County

9 ZIP codes tracked in Tyler County.

# ZIP Code City Safety Score Grade Violations Home Value
1 75936 Chester 94 A 8 (1 health) $165K
2 75990 Woodville 93 A 35 (5 health)
3 75938 Colmesneil 82 B 28 (2 health) $117K
4 75979 Woodville 80 B 35 (5 health) $123K
5 77660 Spurger 79 B 8 $186K
6 75942 Doucette 73 B 0
7 77616 Fred 73 B 0 $97K
8 77624 Hillister 73 B 0 $202K
9 77332 Dallardsville 66 C 0

Recommended Buyer Guides for Tyler County

Filtered against federal data, fitted to local risks.

Overview

Tyler County in Texas covers 9 ZIP codes with an average Home Safety Score of B (79/100).

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

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Tyler County?
Tyler County receives a grade of B, indicating generally safe tap water across its 9 ZIP codes.
How many water systems serve Tyler County?
Tyler County is served by 13 public water systems that supply drinking water to residents across 9 ZIP codes.
What is the biggest environmental risk in Tyler County?
The primary environmental risk factor in Tyler County is sea_level. This contributes to an estimated additional annual cost of $3,742 per homeowner.
How old are homes in Tyler County?
The median home build year in Tyler County is 1984. 58.6% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Tyler County compare to Texas?
Tyler County has an average water safety score of 79/100, which is below the Texas state average of 82/100.

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