Contact Us

Public Meeting

Remember all district board meetings are open to the public. If you are interested in attending, please check the calendar page for upcoming events. The board has a scheduled meeting once a month, and the agenda will be posted here on this website and at the community bulletin board at least 72 hours prior to the event.

Community Bulletin Board
21215 Springbend Lane
Katy, TX 77450

If you are interested in attending the public board meeting. You can find it at:

Harris County M.U.D. 81
805 Hidden Canyon Road
Katy, TX 77450

Scan or click the QR code with a mobile device for directions.


For water or questions about your bill, please contact:

Si Environmental LLC
For Billing purposes call 832-490-1600
For Water/Sewer/Storm issues call 832-490-1601
To pay your bill online click here
www.sienv.com

For garbage pick up questions, please contact:

WCA Waste Management
281-368-8397
www.wcawaste.com/locations/houston-south-hauling



General trash information:

Trash and recycling must be placed at the curb by 7:00am to ensure pickup. If a scheduled collection day falls on a holiday, the normal service will be resumed on the following scheduled pick up day.

Standard trash and recycling pickup:
Every Tuesday and Friday beginning at 7am. Residents must confine their waste and recycling to WCA supplied roll-out carts.

Bulk trash pickup:
Every Friday beginning at 7am. This includes any bulk waste not contained within WCA supplied roll-out carts.

Heavy trash pickup:
Tuesday or Friday beginning at 7am (provided WCA has been notified in advance for special pick-up.)
For information on items excluded from standard collection Click here.



All other inquiries:

For all board related or other issues, please use the contact form below to send us an email and we will reply as promptly as possible.

Please be aware that all emails submitted to Memorial MUD become public record.

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