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Public water system · TX0820012

Active

Moore WSC

At a glance

Moore WSC (PWSID TX0820012) is an active community water system in Frio County, Texas. It reports serving 930 people through 310 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

930

Service connections

310

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDTX0820012
System typeCommunity water system
Activity statusActive
Population served930
Service connections310
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyFrio County

How does Moore WSC compare with other water systems in Frio County?

By EPA's size categories, Moore WSC is a small system (501 to 3,300 people). Frio County has 6 active public water systems, and Moore WSC is the 3rd-largest of them by population served. Its population served is about 63% below the county average of 2,499 people per system, and accounts for 6.2% of the 14,994 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active community water system reports serving 6,703 people, so Moore WSC is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Texas has 4,594 active community water systems, 65% of the state's 7,078 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 5,215 Texas systems (74%) list groundwater as their primary source.

Who owns and regulates Moore WSC?

EPA lists Moore WSC as owned by a local government. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 6 active systems in Frio County (67%) are also owned by a local government.

Does Moore WSC have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. The violations listed here began between January 2011 and December 2024. By type: 7 monitoring and reporting, 4 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (5 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2024-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2023-09-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2022-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2017-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2016-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2014-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2013-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2013-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2011-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2011-01-01Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Moore WSC: frequently asked questions

Who runs Moore WSC?

Moore WSC (PWSID TX0820012) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Moore WSC serve?

Moore WSC reports serving 930 people through 310 service connections in Frio County, Texas.

Where does Moore WSC get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Moore WSC have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Moore WSC's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Moore WSC's water quality report?

As a community water system, Moore WSC must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Frio County

Water systemCountyPopulation servedTypeSource
City of PearsallFrio8,985CommunityGroundwater
City of DilleyFrio4,505CommunityGroundwater
Pearsall DevelopmentFrio200Non-transient non-communityGroundwater
Sendero Ranch Water SystemFrio200Transient non-communityGroundwater
Derby IngFrio174CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Moore WSC, PWSID TX0820012, Texas”, https://aquacensus.com/water-systems/texas/moore-wsc-tx0820012 (data as of October 1, 2026).