Sign up for new water service
Fill and submit the following to begin signup for new service.
Rate schedule for services are available in the Rate Order.
You may submit the agreement via the following:
Email: CustomerCare@SiEnv.com
Fax: (832) 490-1502
U.S. Mail: Si Environmental 6420 Reading Rd. Rosenberg, TX 77471
Latest News
Holiday Trash & Recycling Schedule Update from Best Trash
Posted: Nov 16, 2025 3:55pm
Season's Greetings!
Best Trash wishes everyone a joyful and safe holiday season — thank you for allowing us to be a part of the community!
Drought Stage 1 Rescinded
Posted: Aug 1, 2024 3:04pm
Attention residents. Cimarron MUD has rescinded Stage 1 watering restrictions. As of July 12th, the West Harris County Regional Water Authority has rescinded Stage 1 of is Drought Contingency Plan. Thank you for your cooperation.
Harris County Precinct 4 - Debris Collection
Posted: Jul 13, 2024 5:50pm
Harris County Precinct 4 Commissioner Lesley Briones Road and Bridge team will be picking up tree and fencing debris from Hurricane Beryl throughout unincorporated areas of Precinct 4. Our team will systematically sweep through the subdivisions to clear storm debris street by street over 3 phases.
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