Public water system · TX1700929
ActiveMontgomery County MUD 172
At a glance
Montgomery County MUD 172 (PWSID TX1700929) is an active community water system in Montgomery County, Texas. It reports serving 264 people through 88 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
264
Service connections
88
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Montgomery County MUD 172 compare with other water systems in Montgomery County?
By EPA's size categories, Montgomery County MUD 172 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 Montgomery County MUD 172 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 Montgomery County MUD 172?
EPA lists Montgomery County MUD 172 as owned by a local government. 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. 157 of the 438 active systems in Montgomery County (36%) are also owned by a local government.
Does Montgomery County MUD 172 have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2025. By type: 1 monitoring and reporting. The contaminant or rule involved is Chlorine. 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 |
|---|---|---|---|---|
| 2025-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | 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.
Montgomery County MUD 172: frequently asked questions
Who runs Montgomery County MUD 172?
Montgomery County MUD 172 (PWSID TX1700929) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Montgomery County MUD 172 serve?
Montgomery County MUD 172 reports serving 264 people through 88 service connections in Montgomery County, Texas.
Where does Montgomery County MUD 172 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 Montgomery County MUD 172 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 April 2025. 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 Montgomery County MUD 172'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 April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Montgomery County MUD 172's water quality report?
As a community water system, Montgomery County MUD 172 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, “Montgomery County MUD 172, PWSID TX1700929, Texas”, https://aquacensus.com/water-systems/texas/montgomery-county-mud-172-tx1700929 (data as of October 1, 2026).