Public water system · TX0460211
ActiveRim Rock Ranch
At a glance
Rim Rock Ranch (PWSID TX0460211) is an active community water system in Comal County, Texas. It reports serving 1,065 people through 355 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as privately owned. EPA's records list 6 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
1,065
Service connections
355
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Rim Rock Ranch compare with other water systems in Comal County?
By EPA's size categories, Rim Rock Ranch is a small system (501 to 3,300 people). Comal County has 94 active public water systems. Its population served is about 57% below the county average of 2,473 people per system, and accounts for 0.5% 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 Rim Rock Ranch 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 under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 37 Texas systems (0.5%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Rim Rock Ranch?
EPA lists Rim Rock Ranch 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 Rim Rock Ranch have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in March 2020. The violations listed here began between July 2003 and March 2020. By type: 3 public notice, recordkeeping or other and 3 monitoring and reporting. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 5 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2020-03-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2019-02-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2008-09-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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 6 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.
Rim Rock Ranch: frequently asked questions
Who runs Rim Rock Ranch?
Rim Rock Ranch (PWSID TX0460211) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Rim Rock Ranch serve?
Rim Rock Ranch reports serving 1,065 people through 355 service connections in Comal County, Texas.
Where does Rim Rock Ranch get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Rim Rock Ranch have any drinking water violations?
EPA's records list 6 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 Rim Rock Ranch'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 6 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 Rim Rock Ranch's water quality report?
As a community water system, Rim Rock Ranch 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| New Braunfels Utilities | Comal | 116,477 | Community | Surface water |
| Clwsc Canyon Lake Shores | Comal | 44,196 | Community | Surface water |
| Sjwtx Triple Peak Plant | Comal | 32,973 | Community | Surface water |
| City of Garden Ridge | Comal | 5,100 | Community | Groundwater |
| Sjwtx Glenwood Subdivision | Comal | 2,985 | Community | Purchased surface water |
| Gbra Johnson Ranch Subdivision | Comal | 2,322 | Community | Purchased 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, “Rim Rock Ranch, PWSID TX0460211, Texas”, https://aquacensus.com/water-systems/texas/rim-rock-ranch-tx0460211 (data as of October 1, 2026).