Public water system · TX2460152
ActiveWilliamson County Wsid 3
At a glance
Williamson County Wsid 3 (PWSID TX2460152) is an active community water system in Williamson County, Texas. It reports serving 8,265 people through 2,755 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
8,265
Service connections
2,755
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Williamson County Wsid 3 compare with other water systems in Williamson County?
By EPA's size categories, Williamson County Wsid 3 is a medium system (3,301 to 10,000 people). Williamson County has 51 active public water systems. Its population served is about 40% below the county average of 13,777 people per system, and accounts for 1.2% 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 Williamson County Wsid 3 is about 23% above 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 groundwater means the system buys groundwater from another public water system rather than drawing its own. 302 Texas systems (4.3%) list purchased groundwater as their primary source.
Who owns and regulates Williamson County Wsid 3?
EPA lists Williamson County Wsid 3 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 Williamson County Wsid 3 have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 2024. The violations listed here began between July 2010 and April 2024. By type: 5 monitoring, 3 public notice, recordkeeping or other, 2 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2020-06-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2020-05-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-05-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2010-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | 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.
Williamson County Wsid 3: frequently asked questions
Who runs Williamson County Wsid 3?
Williamson County Wsid 3 (PWSID TX2460152) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Williamson County Wsid 3 serve?
Williamson County Wsid 3 reports serving 8,265 people through 2,755 service connections in Williamson County, Texas.
Where does Williamson County Wsid 3 get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Williamson County Wsid 3 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in April 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 Williamson County Wsid 3'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, 2 are health-based, and the most recent began in April 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 Williamson County Wsid 3's water quality report?
As a community water system, Williamson County Wsid 3 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 |
| Jonah Water Sud | Williamson | 29,861 | Community | Purchased surface water |
| City of Hutto | Williamson | 29,580 | 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, “Williamson County Wsid 3, PWSID TX2460152, Texas”, https://aquacensus.com/water-systems/texas/williamson-county-wsid-3-tx2460152 (data as of October 1, 2026).