Public water system · TX1700763
ActiveSonoma Ridge-Mccall Sound
At a glance
Sonoma Ridge-Mccall Sound (PWSID TX1700763) is an active community water system in Montgomery County, Texas. It reports serving 294 people through 98 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
294
Service connections
98
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sonoma Ridge-Mccall Sound compare with other water systems in Montgomery County?
By EPA's size categories, Sonoma Ridge-Mccall Sound 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 Sonoma Ridge-Mccall Sound 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 Sonoma Ridge-Mccall Sound?
EPA lists Sonoma Ridge-Mccall Sound 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 Sonoma Ridge-Mccall Sound have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2021. The violations listed here began between February 2011 and October 2021. By type: 4 monitoring and reporting and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2021-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2020-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2019-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2018-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-02-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 8 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.
Sonoma Ridge-Mccall Sound: frequently asked questions
Who runs Sonoma Ridge-Mccall Sound?
Sonoma Ridge-Mccall Sound (PWSID TX1700763) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Sonoma Ridge-Mccall Sound serve?
Sonoma Ridge-Mccall Sound reports serving 294 people through 98 service connections in Montgomery County, Texas.
Where does Sonoma Ridge-Mccall Sound 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 Sonoma Ridge-Mccall Sound have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in October 2021. 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 Sonoma Ridge-Mccall Sound'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 8 violations for this system; none is health-based, and the most recent began in October 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Sonoma Ridge-Mccall Sound's water quality report?
As a community water system, Sonoma Ridge-Mccall Sound 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Conroe | Montgomery | 113,912 | Community | Purchased surface water |
| Porter Special Utility District | Montgomery | 26,388 | Community | Groundwater |
| Montgomery Trace Water System | Montgomery | 25,917 | Community | Purchased surface water |
| Montgomery County MUD 46 | Montgomery | 24,399 | Community | Purchased surface water |
| Montgomery County MUD 47 | Montgomery | 24,171 | Community | Purchased surface water |
| Montgomery County MUD 67 | Montgomery | 16,821 | 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, “Sonoma Ridge-Mccall Sound, PWSID TX1700763, Texas”, https://aquacensus.com/water-systems/texas/sonoma-ridge-mccall-sound-tx1700763 (data as of October 1, 2026).