Public water system · TX1610017
ActiveTres Palacios Oaks Subdivision
At a glance
Tres Palacios Oaks Subdivision (PWSID TX1610017) is an active community water system in Matagorda County, Texas. It reports serving 774 people through 258 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in March 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
774
Service connections
258
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Tres Palacios Oaks Subdivision compare with other water systems in Matagorda County?
By EPA's size categories, Tres Palacios Oaks Subdivision is a small system (501 to 3,300 people). Matagorda County has 42 active public water systems. Its population served is about 18% below the county average of 941 people per system, and accounts for 2% of the 39,524 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 Tres Palacios Oaks Subdivision 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 Tres Palacios Oaks Subdivision?
EPA lists Tres Palacios Oaks Subdivision 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. 26 of the 42 active systems in Matagorda County (62%) are also privately owned.
Does Tres Palacios Oaks Subdivision have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in March 2020. The violations listed here began between January 2019 and March 2020. By type: 1 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Public Notice 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 |
|---|---|---|---|---|
| 2020-03-09 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2019-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | 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.
Tres Palacios Oaks Subdivision: frequently asked questions
Who runs Tres Palacios Oaks Subdivision?
Tres Palacios Oaks Subdivision (PWSID TX1610017) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Tres Palacios Oaks Subdivision serve?
Tres Palacios Oaks Subdivision reports serving 774 people through 258 service connections in Matagorda County, Texas.
Where does Tres Palacios Oaks Subdivision 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 Tres Palacios Oaks Subdivision have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in March 2020. 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 Tres Palacios Oaks Subdivision'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 March 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Tres Palacios Oaks Subdivision's water quality report?
As a community water system, Tres Palacios Oaks Subdivision 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 Matagorda County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Bay City | Matagorda | 18,061 | Community | Groundwater |
| City of Palacios | Matagorda | 4,700 | Community | Groundwater |
| Caney Creek MUD of Matagorda County | Matagorda | 2,764 | Community | Groundwater |
| Matagorda WSC | Matagorda | 1,746 | Community | Groundwater |
| Matagorda County Wcid 6 | Matagorda | 1,518 | Community | Groundwater |
| Markham MUD | Matagorda | 1,400 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Tres Palacios Oaks Subdivision, PWSID TX1610017, Texas”, https://aquacensus.com/water-systems/texas/tres-palacios-oaks-subdivision-tx1610017 (data as of October 1, 2026).