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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

WHCRWA Fee increase
Posted: Dec 14, 2018 11:04am

Effective January 1st, 2019 the WHCRWA fee for ground-water pumpage will be increased to $2.95/1000 gallons while the surface-water fee will be increased to $3.35/1000 gallons.

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Smoke Alarm Blitz on Sat. July 14th
Posted: Jul 10, 2018 5:11pm

July14th 2018
9:00 am – 12 Noon

Harris County ESD No. 48 is proud to be partnering with Cimarron M.U.D to make the community a safer place. On July 14th Harris County ESD No. 48 will be conducting a Smoke Alarm Blitz in targeted areas in the Cimarron subdivision. Over the next 3 year HCESD #48 plan to service in other areas of Cimarron and the other neighborhoods that Cimarron M.U.D services.

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New Billing Service
Posted: May 15, 2018 12:29pm

We are excited to announce new payment options for your convenience.

We have teamed up with First Billing Services to provide additional payment options for our residents. Click here to see all available options.

Auto Pay Notice

If you are currently signed up for AUTO PAY, you will need to re-register with First Billing who will be providing this service going forward.