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 Howell Mountain Mutual
Water Company
P.O. Box 9
Angwin, CA  94508
Office Phone:  707.965.2205  - Fax:  707.965.2655
email: hmmwco@napanet.net
Office hours: M-F 10:00 -3:30

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We are now at 73% raw storage capacity!!!
Thank you for continuing your conservation efforts!!!
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Please visit our Water Conservation page for important information and water-saving tips!!! 

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NEXT MEETING OF THE BOARD OF DIRECTORS:  July 27, 2022
Located at the HMMWC Office - 1100 Friesen Drive, Angwin

It has come to our attention that, due to our USE PERMIT, we cannot accept payments at our office.  We have a payment drop box at the Howell Mountain Market located to the left as you walk into the main entrance.  We also accept Credit Card Payments, and you can sign up for ACH Auto Payments!!!

Please go to our Payments Tab... 


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