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



HMMWCO  is now seeking a Water System Supervisor.  
Please email resume and application to: hmmwco@napanet.net
(Application and job description are located under the employment tab.) 




Next Board Meeting - Tuesday, September 22, 2020
6:30 pm at the HMMWC Office



E-mail billing is now available.
Credit Card/Debit payments are now being accepted (**please note there will be a $3.00 processing fee**). 
ACH payments are also accepted.  ACH Authorization Form is located under the forms tab.
​Please call the office for more information, to sign up or pay with your CC/Debit Card.

If you are not a customer but would like to become a HMMWC member, which allows you to vote in Board elections and By-laws changes.  ​Please fill out a membership application and return it to our office.
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