Public water system · TX2460178
ActiveCounty Cottage Lines
At a glance
County Cottage Lines (PWSID TX2460178) is an active community water system in Williamson County, Texas. It reports serving 29 people through 30 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
29
Service connections
30
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does County Cottage Lines compare with other water systems in Williamson County?
By EPA's size categories, County Cottage Lines is a very small system (500 people or fewer). Williamson County has 51 active public water systems. Its population served is well below the county average of 13,777 people per system, and accounts for less than 0.1% 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 County Cottage Lines 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 County Cottage Lines?
EPA lists County Cottage Lines 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. 18 of the 51 active systems in Williamson County (35%) are also privately owned.
Does County Cottage Lines have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between April 2025 and October 2025. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Chlorine (3 of them). EPA lists 2 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
All 3 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.
County Cottage Lines: frequently asked questions
Who runs County Cottage Lines?
County Cottage Lines (PWSID TX2460178) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does County Cottage Lines serve?
County Cottage Lines reports serving 29 people through 30 service connections in Williamson County, Texas.
Where does County Cottage Lines 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 County Cottage Lines have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 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 County Cottage Lines' 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 3 violations for this system; none is health-based, and the most recent began in October 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 County Cottage Lines' water quality report?
As a community water system, County Cottage Lines 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, “County Cottage Lines, PWSID TX2460178, Texas”, https://aquacensus.com/water-systems/texas/county-cottage-lines-tx2460178 (data as of October 1, 2026).