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Public water system · TX1700695

Active

Oak Tree Subdivision

At a glance

Oak Tree Subdivision (PWSID TX1700695) is an active community water system in Montgomery County, Texas. It reports serving 360 people through 120 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2025.

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

Population served

360

Service connections

120

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDTX1700695
System typeCommunity water system
Activity statusActive
Population served360
Service connections120
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyMontgomery County

How does Oak Tree Subdivision compare with other water systems in Montgomery County?

By EPA's size categories, Oak Tree Subdivision is a very small system (500 people or fewer). Montgomery County has 438 active public water systems. Its population served is well below the county average of 1,784 people per system, and accounts for less than 0.1% of the 781,236 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 Oak Tree 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 Oak Tree Subdivision?

EPA lists Oak Tree 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. 281 of the 438 active systems in Montgomery County (64%) are also privately owned.

Does Oak Tree Subdivision have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 2025. The violations listed here began between January 2013 and July 2025. By type: 6 monitoring and reporting, 3 public notice, recordkeeping or other, 1 reporting, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Lead and Copper Rule (5 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2025-05-01Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2025-04-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2024-10-17ReportingLSL Reporting · code 4GLead and Copper Rule Revisionscode 5200NoResolved
2024-10-17Required treatment not metLSL Inventory · code 2ELead and Copper Rule Revisionscode 5200YesResolved
2015-04-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2014-09-29Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2014-05-07Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2014-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2013-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2013-01-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved
2013-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved

The 12 most recent 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.

Oak Tree Subdivision: frequently asked questions

Who runs Oak Tree Subdivision?

Oak Tree Subdivision (PWSID TX1700695) is a community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Oak Tree Subdivision serve?

Oak Tree Subdivision reports serving 360 people through 120 service connections in Montgomery County, Texas.

Where does Oak Tree 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 Oak Tree Subdivision have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 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 Oak Tree 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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in July 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 Oak Tree Subdivision's water quality report?

As a community water system, Oak Tree 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 Montgomery County

Water systemCountyPopulation servedTypeSource
City of ConroeMontgomery113,912CommunityPurchased surface water
Porter Special Utility DistrictMontgomery26,388CommunityGroundwater
Montgomery Trace Water SystemMontgomery25,917CommunityPurchased surface water
Montgomery County MUD 46Montgomery24,399CommunityPurchased surface water
Montgomery County MUD 47Montgomery24,171CommunityPurchased surface water
Montgomery County MUD 67Montgomery16,821CommunityPurchased 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, “Oak Tree Subdivision, PWSID TX1700695, Texas”, https://aquacensus.com/water-systems/texas/oak-tree-subdivision-tx1700695 (data as of October 1, 2026).