Public water system · TX1700393
ActiveShadow Bay Subdivision
At a glance
Shadow Bay Subdivision (PWSID TX1700393) is an active community water system in Montgomery County, Texas. It reports serving 828 people through 276 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 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
828
Service connections
276
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Shadow Bay Subdivision compare with other water systems in Montgomery County?
By EPA's size categories, Shadow Bay Subdivision is a small system (501 to 3,300 people). Montgomery County has 438 active public water systems. Its population served is about half of the county average of 1,784 people per system, and accounts for 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 Shadow Bay 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 Shadow Bay Subdivision?
EPA lists Shadow Bay 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. 281 of the 438 active systems in Montgomery County (64%) are also privately owned.
Does Shadow Bay 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 2023. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2023-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
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.
Shadow Bay Subdivision: frequently asked questions
Who runs Shadow Bay Subdivision?
Shadow Bay Subdivision (PWSID TX1700393) is a community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Shadow Bay Subdivision serve?
Shadow Bay Subdivision reports serving 828 people through 276 service connections in Montgomery County, Texas.
Where does Shadow Bay 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 Shadow Bay 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 2023. 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 Shadow Bay 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 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Shadow Bay Subdivision's water quality report?
As a community water system, Shadow Bay 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 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, “Shadow Bay Subdivision, PWSID TX1700393, Texas”, https://aquacensus.com/water-systems/texas/shadow-bay-subdivision-tx1700393 (data as of October 1, 2026).