Public water system · TX1700669
ActiveMostyn Manor
At a glance
Mostyn Manor (PWSID TX1700669) is an active community water system in Montgomery County, Texas. It reports serving 2,058 people through 686 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,058
Service connections
686
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Mostyn Manor compare with other water systems in Montgomery County?
By EPA's size categories, Mostyn Manor is a small system (501 to 3,300 people). Montgomery County has 438 active public water systems. Its population served is about 15% above the county average of 1,784 people per system, and accounts for 0.3% 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 Mostyn Manor 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 Mostyn Manor?
EPA lists Mostyn Manor 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 Mostyn Manor have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 2020. The violations listed here began between April 2019 and October 2020. By type: 2 public notice, recordkeeping or other and 1 monitoring and reporting. The contaminants or rules involved are Public Notice, Consumer Confidence Rule and Chlorine. EPA lists 3 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 |
|---|---|---|---|---|
| 2020-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | 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 |
All 3 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.
Mostyn Manor: frequently asked questions
Who runs Mostyn Manor?
Mostyn Manor (PWSID TX1700669) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Mostyn Manor serve?
Mostyn Manor reports serving 2,058 people through 686 service connections in Montgomery County, Texas.
Where does Mostyn Manor 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 Mostyn Manor have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in October 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 Mostyn Manor'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 3 violations for this system; none is health-based, and the most recent began in October 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 Mostyn Manor's water quality report?
As a community water system, Mostyn Manor 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 |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Mostyn Manor, PWSID TX1700669, Texas”, https://aquacensus.com/water-systems/texas/mostyn-manor-tx1700669 (data as of October 1, 2026).