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Public water system · TX1700131

Active

Allenwood Subdivision

At a glance

Allenwood Subdivision (PWSID TX1700131) 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 owned by a local government. EPA's records list one violation for this system; it is not 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

PWSIDTX1700131
System typeCommunity water system
Activity statusActive
Population served360
Service connections120
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyMontgomery County

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

By EPA's size categories, Allenwood 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 Allenwood 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 Allenwood Subdivision?

EPA lists Allenwood Subdivision 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. 157 of the 438 active systems in Montgomery County (36%) are also owned by a local government.

Does Allenwood Subdivision have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2025. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Consumer Confidence Rule. EPA lists 1 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-07-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoUnaddressed

The one violation in EPA's records.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.

Allenwood Subdivision: frequently asked questions

Who runs Allenwood Subdivision?

Allenwood Subdivision (PWSID TX1700131) is a community water system owned by a local government. It is regulated by the TX state drinking water program.

How many people does Allenwood Subdivision serve?

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

Where does Allenwood 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 Allenwood Subdivision have any drinking water violations?

EPA's records list one violation for this system; it is not 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 Allenwood 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 one violation for this system; it is not 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 Allenwood Subdivision's water quality report?

As a community water system, Allenwood 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, “Allenwood Subdivision, PWSID TX1700131, Texas”, https://aquacensus.com/water-systems/texas/allenwood-subdivision-tx1700131 (data as of October 1, 2026).