Public water system · TX0940030

Active

Garden Oaks

At a glance

Garden Oaks (PWSID TX0940030) is an active community water system in Guadalupe County, Texas. It reports serving 309 people through 103 service connections. Its primary water source is purchased surface water, and EPA lists it as privately owned. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in May 2017.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

309

Service connections

103

Primary source

SWP

Purchased surface water

System type

CWS

Community water system

System record

PWSIDTX0940030

System typeCommunity water system

Activity statusActive

Population served309

Service connections103

Primary water sourcePurchased surface water

Owner typePrivate

Primacy agencyTX state drinking water program

City served—

StateTexas

ZIP—

CountyGuadalupe County

How does Garden Oaks compare with other water systems in Guadalupe County?

By EPA's size categories, Garden Oaks is a very small system (500 people or fewer). Guadalupe County has 15 active public water systems. Its population served is well below the county average of 13,752 people per system, and accounts for 0.1% of the 206,286 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 Garden Oaks 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 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 Garden Oaks?

EPA lists Garden Oaks 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. 5 of the 15 active systems in Guadalupe County (33%) are also privately owned.

Does Garden Oaks have drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in May 2017. The violations listed here began between July 2003 and May 2017. By type: 5 public notice, recordkeeping or other, 2 required treatment not met and 2 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 9 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
2017-05-25	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2017-05-25	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2017-04-01	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2017-04-01	Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56	Lead and Copper Rulecode 5000	No	Resolved
2017-03-31	Required treatment not metOCCT/SOWT Study/Recommendation · code 57	Lead and Copper Rulecode 5000	Yes	Resolved
2013-12-30	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2005-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved
2004-01-01	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Resolved
2003-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved

All 9 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.

Garden Oaks: frequently asked questions

Who runs Garden Oaks?

Garden Oaks (PWSID TX0940030) is a community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Garden Oaks serve?

Garden Oaks reports serving 309 people through 103 service connections in Guadalupe County, Texas.

Where does Garden Oaks 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 Garden Oaks have any drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in May 2017. 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 Garden Oaks' 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 9 violations for this system; 2 are health-based, and the most recent began in May 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Garden Oaks' water quality report?

As a community water system, Garden Oaks 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 Guadalupe County

Water system	County	Population served	Type	Source
Green Valley Sud	Guadalupe	52,497	Community	Purchased surface water
City of Schertz	Guadalupe	41,948	Community	Groundwater
Springs Hill Sud	Guadalupe	35,541	Community	Surface water
City of Seguin	Guadalupe	32,736	Community	Surface water
Crystal Clear Sud	Guadalupe	20,766	Community	Purchased surface water
City of Cibolo	Guadalupe	20,331	Community	Purchased surface water

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, “Garden Oaks, PWSID TX0940030, Texas”, https://aquacensus.com/water-systems/texas/garden-oaks-tx0940030 (data as of October 1, 2026).