NW Harris County MUD 9

The following information is being provided to help you become familiar with the policies and procedures relating to your water and sewer service. The neighborhood(s) included in this district: Anderson Woods, Creekstone Village, Forest at Millridge, Marwood Estates, Marwood Village, Millridge North, Millridge Pines, Oak Hollow Estates, Regency Forest, The Park at Cedar Landing, and Vintage Woods.


Boil Water Notice – Rescinded 09/30/21

The water no longer requires boiling prior to use as of 09/30/21.

On 09/28/21, the Texas Commission on Environmental Quality required the Northwest Harris County MUD 9, TX1011599, to issue a Boil Water Notice to inform customers, individuals, or employees that due to conditions which occurred recently in the public water system, the water from this public water system was required to be boiled prior to use for drinking water or human consumption purposes.

The public water system has taken the necessary corrective actions to restore the quality of the water distributed by this public water system used for drinking water or human consumption purposes and has provided TCEQ with laboratory test results that indicate that the water no longer requires boiling prior to use as of 09/30/21. If you have questions concerning this matter, you may contact the operator at our 24-hour Customer Service Line (281) 651-1618.

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The District respects your privacy. Your contact information will not be used for any purpose other than to communicate with you regarding District news and events.

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If you’d like to sign up to receive important news and updates from the district via text messages, you can send a text message to (832) 345-5731 with the word MUD9 and you’ll be registered.

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Third generation, family owned

Today MMIA operates over twenty water districts in northern Harris and southern Montgomery counties. Our decades of experience provides our customers with the confidence that they are in good hands.