Public water system · TX2370143
ActiveWaller County MUD 41
At a glance
Waller County MUD 41 (PWSID TX2370143) is an active community water system in Waller County, Texas. It reports serving 594 people through 198 service connections. Its primary water source is purchased 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 February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
594
Service connections
198
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Waller County MUD 41 compare with other water systems in Waller County?
By EPA's size categories, Waller County MUD 41 is a small system (501 to 3,300 people). Waller County has 67 active public water systems. Its population served is about 35% below the county average of 920 people per system, and accounts for 1% of the 61,644 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 Waller County MUD 41 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 302 Texas systems (4.3%) list purchased groundwater as their primary source.
Who owns and regulates Waller County MUD 41?
EPA lists Waller County MUD 41 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. 26 of the 67 active systems in Waller County (39%) are also owned by a local government.
Does Waller County MUD 41 have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in February 2026. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform 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 |
|---|---|---|---|---|
| 2026-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Waller County MUD 41: frequently asked questions
Who runs Waller County MUD 41?
Waller County MUD 41 (PWSID TX2370143) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Waller County MUD 41 serve?
Waller County MUD 41 reports serving 594 people through 198 service connections in Waller County, Texas.
Where does Waller County MUD 41 get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Waller County MUD 41 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 February 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 Waller County MUD 41'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 February 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 Waller County MUD 41's water quality report?
As a community water system, Waller County MUD 41 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 Waller County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Prairie View A&M University | Waller | 9,550 | Community | Groundwater |
| City of Hempstead | Waller | 7,158 | Community | Groundwater |
| City of Waller | Waller | 5,448 | Community | Groundwater |
| Brookshire Mwd | Waller | 5,364 | Community | Groundwater |
| Harris-Waller Counties MUD 5 | Waller | 4,098 | Community | Purchased groundwater |
| Willow Creek Farms MUD | Waller | 3,453 | Community | Groundwater |
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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, “Waller County MUD 41, PWSID TX2370143, Texas”, https://aquacensus.com/water-systems/texas/waller-county-mud-41-tx2370143 (data as of October 1, 2026).