COUNTY REPORT TX

Wilson County, Texas

8 ZIP codes · Avg score 90/100 · Grade A · Updated

ZipCheckup grade for Wilson County: A.

No federal data flags a major home-safety concern for this ZIP.

Across Wilson County's 8 ZIP codes, EPA compliance data shows above-average performance - violation rates are minimal, none of the county's systems have triggered health-based MCL exceedances in recent cycles, and the county's scores have stayed above the national baseline across every recent reporting period.

How Wilson County Compares

Wilson County90/100
Texas avg83/100
National avg73/100

How Wilson County Compares

A
County Grade
90/100
Avg Safety Score
8
ZIP Codes
13
Water Systems

Wilson County scores 7 points above the Texas state average (83/100) and 17 points above the national average (73/100).

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:

A
County Grade
90
Avg Safety Score
8
ZIP Codes
Best ZIP: 78160 (98/100)
Lowest ZIP: 78121 (83/100)
$273K
Median Home Value
$2,133
Avg Remediation (78% of home value)

ZIP Code Risk Map

Water Quality Map: Wilson 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: 12.4 (asthma 9.4%, diabetes 13.1%)

Estimated additional annual cost per homeowner: $2,051, driven primarily by sea_level

28.4% of homes built before 1978 (lead paint era)

Violation History (2023–2024)

→ Stable trend

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

2023
1 (1 health)
2024
7 (7 health)

Peak year: 2024 with 7 violations. Past 5 years: 8 total (8 health-based).

Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.

County Health Indicators vs National Average

Asthma 9.4% (national: 8.9%)
Diabetes 13.1% (national: 10.5%)
Obesity 35.3% (national: 32.4%)

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

Infrastructure Overview

1994
Median Build Year
28.4%
Pre-1978 Housing
25/100
Infrastructure Stress Indicator
0%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $2,051

Sea Level Rise $3,000/yr
Flood $600/yr
Wildfire $300/yr

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

Housing Age Distribution

20,343 housing units in Wilson County

Pre-1940 3%
1940–1959 5%
1960–1979 12%
1980–1999 35%
2000+ 45%

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 Wilson County

$273K
Median Home Value
$2,133
Est. Remediation Cost
0.8%
of Home Value
Remediation as % of home value low burden

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

Asthma 9.4% (US avg: 8.9%)
Diabetes 13.1% (US avg: 11%)
Obesity 35.3% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems serving Wilson County

8 community water systems serving Wilson County.

Show all 8 water systems

13 total water systems serve Wilson County.

Systems with the most violations in Wilson County

5 water systems with recorded EPA violations.

All ZIP Codes in Wilson County

8 ZIP codes tracked in Wilson County.

# ZIP Code City Safety Score Grade Violations Home Value
1 78160 Stockdale 98 A 4 (1 health) $181K
2 78147 Poth 96 A 7 (1 health) $195K
3 78101 Adkins 91 A 18 $273K
4 78114 Floresville 83 B 46 (4 health) $274K
5 78121 La Vernia 83 B 67 (2 health) $360K
6 78143 Pandora
7 78150 Randolph A F B
8 78161 Sutherland Springs 0

Recommended Buyer Guides for Wilson County

Eight risk categories drive the selection - PFAS exceedance, lead above EPA action level, pre-1978 housing share, EPA Radon Zone 1, flood-top-risk, wildfire-top-risk, multi-contaminant load, and a baseline fallback - and each category maps to a specific buyer-guide track that surfaces when the county data hits its threshold for that hazard signal.

Overview

Wilson County in Texas covers 8 tracked ZIP records with an average Home Safety Score of A (90/100) across 5 scored records.

5 of 6 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 7 health-based violations appear in the available health breakdown.

← Back to Texas Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

Is water safe in Wilson County?
Wilson County receives a grade of A, indicating generally safe tap water across its 8 ZIP codes.
How many water systems serve Wilson County?
Wilson County is served by 13 public water systems that supply drinking water to residents across 8 ZIP codes.
What is the biggest environmental risk in Wilson County?
The primary environmental risk factor in Wilson County is sea_level. This contributes to an estimated additional annual cost of $2,051 per homeowner.
How old are homes in Wilson County?
The median home build year in Wilson County is 1994. 28.4% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Wilson County compare to Texas?
Wilson County has an average Home Safety Score of 90/100 under model 4.0.0, which is above the Texas state average of 83/100.

How to cite this page

APA ZipCheckup. (2026). Wilson County, TX: HSS 90/100; 7 Health Violations. https://zipcheckup.com/county/texas/wilson/
BibTeX
@misc{zipcheckup-county-texas-wilson,
  author = {{ZipCheckup}},
  title  = {{Wilson County, TX: HSS 90/100; 7 Health Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/texas/wilson/}
}

Page version: August 2026.

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