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Customer Service Agreement

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

Meeting Cancelled: July 15th Regular Meeting
Posted: Jul 15, 2026 11:01am

The meeting scheduled for July 15, 2026 has been canceled.

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!

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Drought Stage 1 Rescinded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 Cimarron MUD has rescinded Stage 1 watering restrictions. As of July 12th, the West Harris County Regional Water Authority has rescinded Stage 1 of is Drought Contingency Plan.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.