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 General Manager.  
For more information please call Karl Fernandez at 707-965-2205. 
Please email resume and application to: hmmwco1@napanet.net
(Application and job description are located under the employment tab.) 


Because of covid-19 restrictions, monthly member Board Meetings are on hold until further notice.



E-mail billing is now available, please contact the office to sign-up.
ACH payments are now being accepted.  Authorization Form is located under the forms tab.
​Please call office for more information.

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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