Public water system · TX2460022

Active

Jonah Water Sud

At a glance

Jonah Water Sud (PWSID TX2460022) is an active community water system in Williamson County, Texas. It reports serving 29,861 people through 11,912 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2023.

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

Population served

29,861

Service connections

11,912

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTX2460022

System typeCommunity water system

Activity statusActive

Population served29,861

Service connections11,912

Primary water sourcePurchased surface water

Owner typeLocal government

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyWilliamson County

How does Jonah Water Sud compare with other water systems in Williamson County?

By EPA's size categories, Jonah Water Sud is a large system (10,001 to 100,000 people). Williamson County has 51 active public water systems, and Jonah Water Sud is the 5th-largest of them by population served. Its population served is about twice the county average of 13,777 people per system, and accounts for 4.2% of the 702,636 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 Jonah Water Sud is about 4.5 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 1,192 Texas systems (17%) list purchased surface water as their primary source.

Who owns and regulates Jonah Water Sud?

EPA lists Jonah Water Sud 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. 33 of the 51 active systems in Williamson County (65%) are also owned by a local government.

Does Jonah Water Sud have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2023. The violations listed here began between April 2006 and October 2023. By type: 7 contaminant level above the legal limit, 3 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (4 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
2023-10-11	Monitoring and reportingMonitoring, Source Water (GWR) · code 34	E. colicode 3014	No	Resolved
2019-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2018-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2015-11-08	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2015-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2015-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Total trihalomethanes (TTHM)code 2950	Yes	Resolved
2013-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2013-10-01	Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52	Lead and Copper Rulecode 5000	No	Resolved
2008-09-25	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2008-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2006-07-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Fluoridecode 1025	Yes	Resolved
2006-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	Fluoridecode 1025	Yes	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.

Jonah Water Sud: frequently asked questions

Who runs Jonah Water Sud?

Jonah Water Sud (PWSID TX2460022) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Jonah Water Sud serve?

Jonah Water Sud reports serving 29,861 people through 11,912 service connections in Williamson County, Texas.

Where does Jonah Water Sud get its water?

EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.

Does Jonah Water Sud have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in October 2023. 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 Jonah Water Sud'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, 7 are health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Jonah Water Sud's water quality report?

As a community water system, Jonah Water Sud 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 Williamson County

Water system	County	Population served	Type	Source
City of Georgetown	Williamson	191,639	Community	Surface water
City of Round Rock	Williamson	130,662	Community	Surface water
City of Leander	Williamson	98,330	Community	Surface water
City of Cedar Park	Williamson	86,939	Community	Surface water
City of Hutto	Williamson	29,580	Community	Purchased surface water
City of Taylor	Williamson	20,622	Community	Purchased surface water

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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, “Jonah Water Sud, PWSID TX2460022, Texas”, https://aquacensus.com/water-systems/texas/jonah-water-sud-tx2460022 (data as of October 1, 2026).