Sienna Municipal Utility District No. 12

Emergency Water Main Repairs for Sienna MUD 10 & 12

Si Environmental is working on repairing the main line break off Leafwing Trail & Sienna Springs Blvd.

Residents may experience lower than normal water pressure during this time until repairs are completed. For more information please contact Si Environmental at 832-490-1601.

Upcoming Meetings

Thursday, August 7, 2025 at 5:00 PM

The Board meets the first Thursday of each month at 9600 Scanlan Trace, Missouri City, Texas 77459. Meetings generally begin at 5:00 p.m. and are open to the public.

The Board welcomes and encourages District residents to attend.​