HOUSTON, TX · Harris County
NORTHWEST HARRIS COUNTY MUD 12 Water System
Consumer Confidence Report status
NORTHWEST HARRIS COUNTY MUD 12 must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for NORTHWEST HARRIS COUNTY MUD 12.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Texas’s official records. Always confirm current status with Texas before making decisions based on this information.
System facts
- System ID (PWSID)
- TX1011901
- System type
- Community Water System
- Population served
- 7,764
- Service connections
- 2,588
- Ownership
- local government
- Water source
- groundwater (wells)
NORTHWEST HARRIS COUNTY MUD 12 is one of 817 community water systems in Texas in the 3,301 to 10,000 people size category, serving 7,764 people from groundwater.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- March 27, 2009State Violation/Reminder Notice1 linked violation
Common questions
Is NORTHWEST HARRIS COUNTY MUD 12 required to publish a Consumer Confidence Report?
- Yes. NORTHWEST HARRIS COUNTY MUD 12 is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is NORTHWEST HARRIS COUNTY MUD 12’s next Consumer Confidence Report due?
- NORTHWEST HARRIS COUNTY MUD 12’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does NORTHWEST HARRIS COUNTY MUD 12 have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for NORTHWEST HARRIS COUNTY MUD 12.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
SULLIVAN, MARY, JOAN
281-855-2172
HOUSTON, TX 77019-2191