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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 78% 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:  June 22, 2022
Located at the HMMWC Office - 1100 Friesen Drive, Angwin

Now accepting Credit Card Payments and ACH Auto Payments!!!
Go to our Payments Tab... 


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