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





Next Board Meeting
February 18, 2020
6:30 p.m.



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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