Public water system · TX0790344
ActiveCinco MUD 12
At a glance
Cinco MUD 12 (PWSID TX0790344) is an active community water system in Fort Bend County, Texas. It reports serving 2,274 people through 758 service connections. Its primary water source is purchased 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 May 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,274
Service connections
758
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Cinco MUD 12 compare with other water systems in Fort Bend County?
By EPA's size categories, Cinco MUD 12 is a small system (501 to 3,300 people). Fort Bend County has 287 active public water systems. Its population served is about 28% below the county average of 3,155 people per system, and accounts for 0.3% of the 905,329 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 Cinco MUD 12 is about 66% 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 Cinco MUD 12?
EPA lists Cinco MUD 12 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 287 active systems in Fort Bend County (55%) are also owned by a local government.
Does Cinco MUD 12 have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2017. The violations listed here began between April 2004 and May 2017. By type: 7 monitoring and reporting and 5 public notice, recordkeeping or other. The contaminant or rule involved most often is Public Notice (5 of them). 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 |
|---|---|---|---|---|
| 2017-05-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2015-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-02-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-10-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-09-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-03-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-04-01 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | 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.
Cinco MUD 12: frequently asked questions
Who runs Cinco MUD 12?
Cinco MUD 12 (PWSID TX0790344) is a community water system owned by a local government. It is regulated by the TX state drinking water program.
How many people does Cinco MUD 12 serve?
Cinco MUD 12 reports serving 2,274 people through 758 service connections in Fort Bend County, Texas.
Where does Cinco MUD 12 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 Cinco MUD 12 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 May 2017. 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 Cinco MUD 12'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 May 2017. For current results, consult the system's annual water quality report, EPA ECHO, or the TX state drinking water program.
Where can I find Cinco MUD 12's water quality report?
As a community water system, Cinco MUD 12 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 Fort Bend County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Sugar Land | Fort Bend | 90,909 | Community | Surface water |
| Fort Bend County Wcid 2 | Fort Bend | 49,173 | Community | Surface water |
| City of Rosenberg | Fort Bend | 43,158 | Community | Purchased surface water |
| City of Fulshear | Fort Bend | 34,000 | Community | Groundwater |
| City of Richmond | Fort Bend | 25,326 | Community | Surface water |
| Fort Bend County MUD 30 | Fort Bend | 16,794 | 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, “Cinco MUD 12, PWSID TX0790344, Texas”, https://aquacensus.com/water-systems/texas/cinco-mud-12-tx0790344 (data as of October 1, 2026).