Public water system · TX0280001
ActiveCity of Lockhart
At a glance
City of Lockhart (PWSID TX0280001) is an active community water system in Caldwell County, Texas. It reports serving 18,800 people through 6,267 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
18,800
Service connections
6,267
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Lockhart compare with other water systems in Caldwell County?
By EPA's size categories, City of Lockhart is a large system (10,001 to 100,000 people). Caldwell County has 8 active public water systems, and City of Lockhart is the largest of them by population served. Its population served is about 3.2 times the county average of 5,876 people per system, and accounts for 40% of the 47,011 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 Lockhart is about 180% 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 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 City of Lockhart?
EPA lists City of Lockhart 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 8 active systems in Caldwell County (100%) are also owned by a local government.
Does City of Lockhart have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 2024. The violations listed here began between July 1992 and September 2024. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminants or rules involved are Public Notice, Chlorine and Lead and Copper Rule. EPA lists 3 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 |
|---|---|---|---|---|
| 2024-09-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2023-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 1992-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
City of Lockhart: frequently asked questions
Who runs City of Lockhart?
City of Lockhart (PWSID TX0280001) 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 Lockhart serve?
City of Lockhart reports serving 18,800 people through 6,267 service connections in Caldwell County, Texas.
Where does City of Lockhart 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 City of Lockhart have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 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 City of Lockhart'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 3 violations for this system; none is health-based, and the most recent began in September 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 City of Lockhart's water quality report?
As a community water system, City of Lockhart 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 Caldwell County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Maxwell Sud | Caldwell | 16,104 | Community | Purchased surface water |
| City of Luling | Caldwell | 7,364 | Community | Purchased surface water |
| Martindale WSC | Caldwell | 3,045 | Community | Purchased surface water |
| Tri Community WSC | Caldwell | 1,698 | Community | Groundwater under influence of 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, “City of Lockhart, PWSID TX0280001, Texas”, https://aquacensus.com/water-systems/texas/city-of-lockhart-tx0280001 (data as of October 1, 2026).