Public water system · TX2370128
ActiveWaller County MUD 19
At a glance
Waller County MUD 19 (PWSID TX2370128) is an active community water system in Waller County, Texas. It reports serving 27 people through 9 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
27
Service connections
9
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Waller County MUD 19 compare with other water systems in Waller County?
By EPA's size categories, Waller County MUD 19 is a very small system (500 people or fewer). Waller County has 67 active public water systems. Its population served is well below the county average of 920 people per system, and accounts for less than 0.1% 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 19 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 Waller County MUD 19?
EPA lists Waller County MUD 19 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 19 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024. The violations listed here began between April 2024 and April 2024. By type: 12 monitoring and reporting. The contaminants or rules involved are Simazine, Hexachlorocyclopentadiene, Heptachlor and Pentachlorophenol. EPA lists 12 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 |
|---|---|---|---|---|
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Simazinecode 2037 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Hexachlorocyclopentadienecode 2042 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlorcode 2065 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Pentachlorophenolcode 2326 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlordanecode 2959 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) adipatecode 2035 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Di(2-ethylhexyl) phthalatecode 2039 | No | Resolved |
| 2024-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Heptachlor epoxidecode 2067 | No | Resolved |
The 12 most recent 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.
Waller County MUD 19: frequently asked questions
Who runs Waller County MUD 19?
Waller County MUD 19 (PWSID TX2370128) 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 19 serve?
Waller County MUD 19 reports serving 27 people through 9 service connections in Waller County, Texas.
Where does Waller County MUD 19 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 Waller County MUD 19 have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024. 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 19'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2024. 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 19's water quality report?
As a community water system, Waller County MUD 19 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 19, PWSID TX2370128, Texas”, https://aquacensus.com/water-systems/texas/waller-county-mud-19-tx2370128 (data as of October 1, 2026).