Contact us

For water and wastewater related emergencies or questions about your bill please contact Si Environmental, LLC customer service at (832) 490-1600. For legal inquiries and public information requests contact Allen Boone Humphries Robinson LLP at 713-860-6400. To contact the board and for all other inquiries, you may use the form below.

Contact form

Customer support

For billing and service requests from 8:00am–5pm Monday–Friday

(832) 490-1600 mailto:customercare@sienv.comcustomercare@sienv.com

After-Hour Emergency

(832) 490-1601

Additional contact information

Mailing Address 3200 Southwest Freeway, Suite 2600 Houston, TX 77027

Phone: (713) 860-6400

Confidentiality of personal information

Pursuant to section 182.052 of the Texas Utilities Code, customer information is confidential and is not shared, except as provided by section 182.054. If you wish to grant or rescind the use of your personal information to another individual or entity on your behalf, please follow the instructions below.

Requests for public information must be submitted to the District by one of the approved methods and addresses listed below:

By mail

Mission Bend Municipal Utility District No. 2 c/o Allen Boone Humphries Robinson LLP 3200 Southwest Freeway, Suite 2600 Houston, Texas 77027

By e-mail

mailto:mis002@txdistricts.infomis002@txdistricts.info

In person

Mission Bend Municipal Utility District No. 2 c/o Allen Boone Humphries Robinson LLP 3200 Southwest Freeway, Suite 2600 Houston, Texas 77027