Contact Us

Contact Information

Phone: (713) 850-9000
1980 Post Oak Boulevard, Suite 1380
Houston, TX 77056

For water and wastewater related emergencies or questions about your bill please contact Si Environmental, LLC customer service at (281) 807-9500. For legal inquiries and public information requests contact Sandford Kuhl Hagan Kugle Parker Kahn LLP at (713) 850-9000. To contact the board and for all other inquiries, you may use the form below.

Customer Support

Si Environmental, LLC
Attn: Jaison Sanwald

For billing and service requests from 8:30am–5pm Monday–Friday

(281) 807-9500

After-Hour Emergency
(281) 807-9500

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