Public water system · TX0040059
ActiveLamar Improvement District
At a glance
Lamar Improvement District (PWSID TX0040059) is an active community water system in Aransas County, Texas. It reports serving 450 people through 150 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
450
Service connections
150
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Lamar Improvement District compare with other water systems in Aransas County?
By EPA's size categories, Lamar Improvement District is a very small system (500 people or fewer). Aransas County has 13 active public water systems, and Lamar Improvement District is the 4th-largest of them by population served. Its population served is about 63% below the county average of 1,217 people per system, and accounts for 2.8% of the 15,814 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 Lamar Improvement District 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. 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 Lamar Improvement District?
EPA lists Lamar Improvement District 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. 4 of the 13 active systems in Aransas County (31%) are also owned by a local government.
Does Lamar Improvement District have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between July 2016 and October 2024. By type: 2 monitoring and reporting. The contaminants or rules involved are Chlorine and Lead and Copper Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 2 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.
Lamar Improvement District: frequently asked questions
Who runs Lamar Improvement District?
Lamar Improvement District (PWSID TX0040059) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Lamar Improvement District serve?
Lamar Improvement District reports serving 450 people through 150 service connections in Aransas County, Texas.
Where does Lamar Improvement District 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 Lamar Improvement District have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 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 Lamar Improvement District'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 2 violations for this system; none is health-based, and the most recent began in October 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 Lamar Improvement District's water quality report?
As a community water system, Lamar Improvement District 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 Aransas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Rockport | Aransas | 11,186 | Community | Purchased surface water |
| Holiday Beach WSC | Aransas | 2,553 | Community | Groundwater |
| Aransas County MUD 1 | Aransas | 615 | Community | Groundwater |
| Hidden Oaks Rv Resort | Aransas | 183 | Transient non-community | Groundwater |
| Aransas National Wildlife Refuge Visitor | Aransas | 150 | Transient non-community | Groundwater |
| Tpwd Goose Island State Park | Aransas | 150 | Transient non-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, “Lamar Improvement District, PWSID TX0040059, Texas”, https://aquacensus.com/water-systems/texas/lamar-improvement-district-tx0040059 (data as of October 1, 2026).