Public water system · TX1700565
ActiveSendera Lake Estates
At a glance
Sendera Lake Estates (PWSID TX1700565) is an active community water system in Montgomery County, Texas. It reports serving 408 people through 136 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in April 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
408
Service connections
136
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sendera Lake Estates compare with other water systems in Montgomery County?
By EPA's size categories, Sendera Lake Estates 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 Sendera Lake Estates 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 Sendera Lake Estates?
EPA lists Sendera Lake Estates 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 Sendera Lake Estates have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in April 2026. The violations listed here began between July 2011 and April 2026. By type: 3 public notice, recordkeeping or other, 2 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 4 as resolved and 3 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 |
|---|---|---|---|---|
| 2026-04-16 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-05-15 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2011-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-07-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
All 7 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.
Sendera Lake Estates: frequently asked questions
Who runs Sendera Lake Estates?
Sendera Lake Estates (PWSID TX1700565) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Sendera Lake Estates serve?
Sendera Lake Estates reports serving 408 people through 136 service connections in Montgomery County, Texas.
Where does Sendera Lake Estates 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 Sendera Lake Estates have any drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in April 2026. 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 Sendera Lake Estates' 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 7 violations for this system; 1 is health-based, and the most recent began in April 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Sendera Lake Estates' water quality report?
As a community water system, Sendera Lake Estates 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, “Sendera Lake Estates, PWSID TX1700565, Texas”, https://aquacensus.com/water-systems/texas/sendera-lake-estates-tx1700565 (data as of October 1, 2026).