PlainWater
Counties → Texas

Frio County, Texas

Water Systems
7
Population Served
15,824
Total Violations
3,458
50 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

85.7%
Systems with Violations
494.0
Avg Violations per System
1.4%
Health-Based Violations

Water Source Types

GW
7 systems (100%)

PFAS Contamination

2
Systems Tested
2
PFAS Detected
100.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Frio Texas water systems by violation status, EPA SDWIS records.

No violations on record (1) One or more violations (6)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
City of Pearsall 8,985 51 Clean
City of Dilley 4,505 51 Clean
Moore WSC 930 62 -
Road Ranger 270 830 439 -
Sendero Ranch Water System 200 0 -
Pearsall Development 200 87 -
Derby Ing 174 2,768 -

Other Counties in Texas

Harris County
1,292 systems · 6,016,117 served · 78,495 violations
Dallas County
37 systems · 3,180,170 served · 2,618 violations
Bexar County
82 systems · 2,376,579 served · 13,955 violations
Tarrant County
113 systems · 2,099,244 served · 10,564 violations
Travis County
138 systems · 1,547,700 served · 7,557 violations
Collin County
35 systems · 1,246,210 served · 1,149 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Frio County? ▼
Frio County has 3,458 total drinking water violations across 7 water systems, of which 50 are health-based violations. 85.7% of systems have at least one violation.
How many people get water from Frio County systems? ▼
Water systems in Frio County serve approximately 15,824 people through 7 public water systems.
Has PFAS been detected in Frio County water? ▼
Of 2 water systems tested for PFAS in Frio County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Frio County? ▼
Water systems in Frio County use GW (7 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 1.4% of Frio County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.