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
Only Rain Down the Drain!
Posted: Apr 16, 2021 4:38pm
The U.S. Environmental Protection Agency (EPA) lists pet waste as a significant source of non-point pollution. Pet waste left on lawns, curbs, sidewalks, and streets can wash into local waterways during a rainstorm. Remember, stormwater currently receives no treatment. Water that flows into your stormwater drainage system goes directly into our bayous, rivers, and bays.
Please pick up after your pet!
View PostWater Service Update
Posted: Feb 17, 2021 3:13pm
As of 12 noon 2/17/2021 – Cimarron MUD customers do not need to boil water at this time. Cimarron MUD is NOT included in the City of Houston Boil water notice. We have had a decrease in water pressure due to operations at this time – but there is no need to boil water
Smoke Alarm Blitz (with Photos)
Posted: Nov 19, 2019 5:52pm
Harris County ESD 48 in partnership with the American Red Cross and Cimarron MUD plan to conduct additional smoke alarm blitz' in targeted subdivisions throughout Cimarron MUD for the next two years. Remember to replace smoke and carbon monoxide alarms older than 10 years. The manufacture date is typically printed on the back of the alarm.
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