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Public water system · TX1460179

Active

Grand San Jacinto Water System

At a glance

Grand San Jacinto Water System (PWSID TX1460179) is an active community water system in Liberty County, Texas. It reports serving 6,174 people through 2,058 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2020.

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

Population served

6,174

Service connections

2,058

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDTX1460179
System typeCommunity water system
Activity statusActive
Population served6,174
Service connections2,058
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyLiberty County

How does Grand San Jacinto Water System compare with other water systems in Liberty County?

By EPA's size categories, Grand San Jacinto Water System is a medium system (3,301 to 10,000 people). Liberty County has 91 active public water systems, and Grand San Jacinto Water System is the 5th-largest of them by population served. Its population served is about 5.3 times the county average of 1,160 people per system, and accounts for 5.9% of the 105,523 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 Grand San Jacinto Water System is roughly in line with 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 Grand San Jacinto Water System?

EPA lists Grand San Jacinto Water System as privately owned. 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. 71 of the 91 active systems in Liberty County (78%) are also privately owned.

Does Grand San Jacinto Water System have drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2020. The violations listed here began between May 2017 and October 2020. By type: 4 public notice, recordkeeping or other, 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 8 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
2020-10-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2020-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2019-09-29Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2019-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2019-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2018-06-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2018-04-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2017-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

All 8 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.

Grand San Jacinto Water System: frequently asked questions

Who runs Grand San Jacinto Water System?

Grand San Jacinto Water System (PWSID TX1460179) is a community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Grand San Jacinto Water System serve?

Grand San Jacinto Water System reports serving 6,174 people through 2,058 service connections in Liberty County, Texas.

Where does Grand San Jacinto Water System 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 Grand San Jacinto Water System have any drinking water violations?

EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2020. 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 Grand San Jacinto Water System'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. EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Grand San Jacinto Water System's water quality report?

As a community water system, Grand San Jacinto Water System 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 Liberty County

Water systemCountyPopulation servedTypeSource
City of DaytonLiberty15,393CommunityGroundwater
City of ClevelandLiberty12,438CommunityGroundwater
Santa Fe UtilityLiberty8,265CommunityGroundwater
City of LibertyLiberty8,170CommunityGroundwater
Hardin WSCLiberty6,132CommunityGroundwater
Tarkington SudLiberty5,265CommunityGroundwater

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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, “Grand San Jacinto Water System, PWSID TX1460179, Texas”, https://aquacensus.com/water-systems/texas/grand-san-jacinto-water-system-tx1460179 (data as of October 1, 2026).