Sienna Municipal Utility District No. 4

About the District

Board of Directors

Ray Sick, President (Term: 5/05/2018 to 5/07/2022)
Bryan D. Ives, Vice President (Term: 5/07/2016 to 5/02/2020)
Maris J. Reynolds, DDS, Assistant Vice President (Term: 6/06/2016 to 5/02/2020)
Mary Berna, Secretary (Term: 5/07/2016 to 5/02/2020)
Robert W. Vacek, Assistant Secretary (Term: 5/05/2018 to 5/07/2022)


The District was created by the Texas Commission on Environmental Quality on September 26, 1996, and operates pursuant to Chapters 49 and 54 of the Texas Water Code, as amended, and Article XVI, Section 59 and Article III, Section 52 of the Texas Constitution. The District comprises approximately 1,064 acres of land and is part of the master‐planned community known as “Sienna”, a development that, in total, comprises 10,320 acres. The District is located in southeast Fort Bend County, Texas, approximately 24 miles southwest of downtown Houston, Texas. The District is approximately 4 miles south of the intersection of the Fort Bend Parkway Toll Road and Sienna Parkway; approximately 11 miles southeast of the intersection of Texas State Highway 6 and U.S. Highway 59; and approximately 5 miles south of the intersection of Texas State Highway 6 and Sienna Parkway. The Brazos River and Flat Bank Creek diversion channel border the District on the west. The District is north of Sienna Municipal Utility District No. 6, and south of Sienna Municipal Utility District No. 3. The District is situated entirely within the boundaries of both Fort Bend Independent School District and Sienna Parks & Levee Improvement District of Fort Bend County, Texas (“SPLID”). The District also lies wholly within the extraterritorial jurisdiction of the City.

District Map

Upcoming Meetings

Monday, October 2, 2023 at Noon

The Board meets the first Monday of each month at the offices of Allen Boone Humphries Robinson LLP, 3200 Southwest Freeway, 24th Floor, Guadalupe Room. Meetings are open to the public. The Board welcomes and encourages District residents to attend.