For water and wastewater related emergencies or questions about your bill please contact Si Environmental customer service at (832) 490-1600. For legal inquiries and public information requests contact Allen Boone Humphries Robinson LLP at (713) 860-6400. For all other inquiries you may use the form below.
Phone: (713) 860-6400
3200 Southwest Fwy.,
Houston, Texas 77027
For billing and service requests from 8:00am–5pm Monday–Friday