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Public water system · TX0460250

Active

Rockwall Ranch Subdivision

At a glance

Rockwall Ranch Subdivision (PWSID TX0460250) is an active community water system in Comal County, Texas. It reports serving 1,773 people through 591 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in December 2013.

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

Population served

1,773

Service connections

591

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDTX0460250
System typeCommunity water system
Activity statusActive
Population served1,773
Service connections591
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyTX state drinking water program
City served—
StateTexas
ZIP—
CountyComal County

How does Rockwall Ranch Subdivision compare with other water systems in Comal County?

By EPA's size categories, Rockwall Ranch Subdivision is a small system (501 to 3,300 people). Comal County has 94 active public water systems. Its population served is about 28% below the county average of 2,473 people per system, and accounts for 0.8% of the 232,493 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 Rockwall Ranch 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 Rockwall Ranch Subdivision?

EPA lists Rockwall Ranch 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. 80 of the 94 active systems in Comal County (85%) are also privately owned.

Does Rockwall Ranch 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 December 2013. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 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
2013-12-30Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved

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.

Rockwall Ranch Subdivision: frequently asked questions

Who runs Rockwall Ranch Subdivision?

Rockwall Ranch Subdivision (PWSID TX0460250) is a community water system privately owned. It is regulated by the TX state drinking water program.

How many people does Rockwall Ranch Subdivision serve?

Rockwall Ranch Subdivision reports serving 1,773 people through 591 service connections in Comal County, Texas.

Where does Rockwall Ranch 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 Rockwall Ranch 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 December 2013. 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 Rockwall Ranch 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 December 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.

Where can I find Rockwall Ranch Subdivision's water quality report?

As a community water system, Rockwall Ranch 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 Comal County

Water systemCountyPopulation servedTypeSource
New Braunfels UtilitiesComal116,477CommunitySurface water
Clwsc Canyon Lake ShoresComal44,196CommunitySurface water
Sjwtx Triple Peak PlantComal32,973CommunitySurface water
City of Garden RidgeComal5,100CommunityGroundwater
Sjwtx Glenwood SubdivisionComal2,985CommunityPurchased surface water
Gbra Johnson Ranch SubdivisionComal2,322CommunityPurchased 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, “Rockwall Ranch Subdivision, PWSID TX0460250, Texas”, https://aquacensus.com/water-systems/texas/rockwall-ranch-subdivision-tx0460250 (data as of October 1, 2026).