Public water system · TX1690006

Active

City of Saint Jo

At a glance

City of Saint Jo (PWSID TX1690006) is an active community water system in Montague County, Texas. It reports serving 881 people through 488 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, one is health-based, and the most recent began in July 2025.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

881

Service connections

488

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDTX1690006

System typeCommunity water system

Activity statusActive

Population served881

Service connections488

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyMontague County

How does City of Saint Jo compare with other water systems in Montague County?

By EPA's size categories, City of Saint Jo is a small system (501 to 3,300 people). Montague County has 15 active public water systems, and City of Saint Jo is the 4th-largest of them by population served. Its population served is roughly in line with the county average of 953 people per system, and accounts for 6.2% of the 14,299 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 City of Saint Jo 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 City of Saint Jo?

EPA lists City of Saint Jo 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. 8 of the 15 active systems in Montague County (53%) are also owned by a local government.

Does City of Saint Jo have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. The violations listed here began between June 2020 and July 2025. By type: 7 public notice, recordkeeping or other, 3 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (6 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.

Began	Violation	Contaminant or rule	Health-based	Status
2025-07-02	ReportingNotification, Known or Potential LSL · code 4H	Lead and Copper Rule Revisionscode 5200	No	Resolved
2024-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2020-12-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-10-09	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2020-08-15	Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A	Revised Total Coliform Rulecode 8000	Yes	Resolved
2020-08-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2020-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2020-06-19	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-06-19	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2020-06-19	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved

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.

City of Saint Jo: frequently asked questions

Who runs City of Saint Jo?

City of Saint Jo (PWSID TX1690006) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does City of Saint Jo serve?

City of Saint Jo reports serving 881 people through 488 service connections in Montague County, Texas.

Where does City of Saint Jo 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 City of Saint Jo have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. 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 City of Saint Jo'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, one is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find City of Saint Jo's water quality report?

As a community water system, City of Saint Jo 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 Montague County

Water system	County	Population served	Type	Source
City of Bowie	Montague	5,534	Community	Surface water
City of Nocona	Montague	3,170	Community	Surface water
Star Travel Center	Montague	1,081	Transient non-community	Groundwater
Amon G Carter Lake WSC	Montague	750	Community	Purchased surface water
Nocona Hills WSC	Montague	600	Community	Groundwater
Sunset Water System	Montague	570	Community	Groundwater

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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, “City of Saint Jo, PWSID TX1690006, Texas”, https://aquacensus.com/water-systems/texas/city-of-saint-jo-tx1690006 (data as of October 1, 2026).