COUNTY REPORT TX

Frio County, Texas

3 ZIP codes · Avg score 95/100 · Grade A · Updated 2026-06-03

Frio County — 3 ZIP codes, above-average safety grade.

How Frio County Compares

Frio County95/100
Texas avg82/100
National avg68/100

How Frio County Compares

A
County Grade
95/100
Avg Safety Score
3
ZIP Codes
6
Water Systems

Frio County scores 13 points above the Texas state average (82/100) and 27 points above the national average (68/100).

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

A
County Grade
95
Avg Safety Score
3
ZIP Codes
Best ZIP: 78057 (97/100)
Lowest ZIP: 78017 (93/100)
$103K
Median Home Value
$750
Avg Remediation (73% of home value)

Key Risk Factors

Health risk index: 12.8 (asthma 8.6%, diabetes 15.3%)

Estimated additional annual cost per homeowner: $637, driven primarily by energy_code_gap

Infrastructure: 0.317% avg pipe failure probability

52.7% of homes built before 1978 (lead paint era)

County Health Indicators vs National Average

Asthma 8.6% (national: 8.9%)
Diabetes 15.3% (national: 10.5%)
Obesity 40.5% (national: 32.4%)

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

Infrastructure Overview

1983
Median Build Year
52.7%
Pre-1978 Housing
32%
Pipe Failure Probability
0%
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: $637

Energy Code Gap $270/yr
Wildfire $200/yr
Water / Lead $100/yr

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

Housing Age Distribution

5,738 housing units in Frio County

Pre-1940 3%
1940–1959 11%
1960–1979 27%
1980–1999 36%
2000+ 23%

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 Frio County

$103K
Median Home Value
$750
Est. Remediation Cost
0.7%
of Home Value
Remediation as % of home value low burden

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

Asthma 8.6% (US avg: 8.9%)
Diabetes 15.3% (US avg: 11%)
Obesity 40.5% (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 Frio County ranked by EPA violation count.

# Water System Population Violations
1 City of Dilley 4,505 9
2 Moore Water Supply Corporation 930 4
3 Benton City Water Supply Corporation 20,940 4
4 Yancey Water Supply Corporation 12,186 4
5 City of Devine 4,318 4

6 total water systems serve Frio County.

All ZIP Codes in Frio County

3 ZIP codes tracked in Frio County.

# ZIP Code City Safety Score Grade Violations Home Value
1 78057 Moore 97 A 4 $139K
2 78061 Pearsall 95 A 0 $103K
3 78017 Dilley 93 A 9 (2 health) $100K

Recommended Buyer Guides for Frio County

Filtered against federal data, fitted to local risks.

Overview

Frio County in Texas covers 3 ZIP codes with an average Home Safety Score of A (95/100).

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

← Back to Texas water quality report

Data Sources

Updated daily.

Frequently Asked Questions

Is water safe in Frio County?
Frio County receives a grade of A, indicating generally safe tap water across its 3 ZIP codes.
How many water systems serve Frio County?
Frio County is served by 6 public water systems that supply drinking water to residents across 3 ZIP codes.
What is the biggest environmental risk in Frio County?
The primary environmental risk factor in Frio County is energy_code_gap. This contributes to an estimated additional annual cost of $637 per homeowner.
How old are homes in Frio County?
The median home build year in Frio County is 1983. 52.7% of homes were built before 1978, which means they may contain lead-based paint and older plumbing materials.
How does Frio County compare to Texas?
Frio County has an average water safety score of 95/100, which is above the Texas state average of 82/100.

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