Public water system · TX1012378
ActiveCypress Hill MUD 1
At a glance
Cypress Hill MUD 1 (PWSID TX1012378) is an active community water system in Harris County, Texas. It reports serving 11,052 people through 3,707 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,052
Service connections
3,707
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Cypress Hill MUD 1 compare with other water systems in Harris County?
By EPA's size categories, Cypress Hill MUD 1 is a large system (10,001 to 100,000 people). Harris County has 1,246 active public water systems. Its population served is about 128% above the county average of 4,849 people per system, and accounts for 0.2% of the 6,041,784 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 Cypress Hill MUD 1 is about 65% above 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 Cypress Hill MUD 1?
EPA lists Cypress Hill MUD 1 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. 508 of the 1,246 active systems in Harris County (41%) are also owned by a local government.
Does Cypress Hill MUD 1 have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2013. The violations listed here began between October 2010 and December 2013. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2013-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2010-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 2 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.
Cypress Hill MUD 1: frequently asked questions
Who runs Cypress Hill MUD 1?
Cypress Hill MUD 1 (PWSID TX1012378) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Cypress Hill MUD 1 serve?
Cypress Hill MUD 1 reports serving 11,052 people through 3,707 service connections in Harris County, Texas.
Where does Cypress Hill MUD 1 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 Cypress Hill MUD 1 have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2013. 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 Cypress Hill MUD 1'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 2 violations for this system; none is health-based, and the most recent began in December 2013. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Cypress Hill MUD 1's water quality report?
As a community water system, Cypress Hill MUD 1 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 Harris County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Houston | Harris | 2,970,543 | Community | Surface water |
| City of Pasadena | Harris | 152,000 | Community | Purchased surface water |
| Clear Lake City Water Authority | Harris | 89,702 | Community | Purchased surface water |
| City of Baytown | Harris | 86,004 | Community | Purchased surface water |
| City of Houston Ud 5 - Kingwood | Harris | 80,073 | Community | Groundwater |
| Harris County MUD 165 | Harris | 40,503 | 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, “Cypress Hill MUD 1, PWSID TX1012378, Texas”, https://aquacensus.com/water-systems/texas/cypress-hill-mud-1-tx1012378 (data as of October 1, 2026).