Sienna Municipal Utility District No. 7
District News
Emergency Repairs Missouri City Surface Water Plant
Repairs are underway at the Missouri City Surface Water Plant as of 12/3/24.
All Sienna MUDs will be utilizing Ground Water until repairs are completed.
During this conversion, you may experience differences in the taste and odor in the drinking water. The water is safe to drink, use for cooking, bathing, and other every day use.
If you have any questions, please contact Si Environmental at 832-490-1601.
Welcome to the new website for Sienna MUDs
Through this website you can find important resources for these districts in Sienna:
- Sienna Municipal Utility District No. 2
- Sienna Municipal Utility District No. 3
- Sienna Municipal Utility District No. 4
- Sienna Municipal Utility District No. 5
- Sienna Municipal Utility District No. 6
- Sienna Municipal Utility District No. 7
- Sienna Municipal Utility District No. 10
- Sienna Municipal Utility District No. 12
- Sienna Management District
- Sienna Regional Municipal Utility District
Upcoming Meetings
Tuesday, August 19, 2025 at 12:00 PM
The Board meets the third Tuesday of each month at the offices of Allen Boone Humphries Robinson LLP, 3200 Southwest Freeway, 24th Floor, Guadalupe Room. Meetings generally begin at 12:00 p.m. and are open to the public.
The Board welcomes and encourages District residents to attend.