Chino Basin Watermaster

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Log into the Maintenance Portal.
If you have forgotton your username and/or password, please contact the Stud Muffin in the back office.

Chino Basin Watermaster's Maintenance Portal is a way for Chino Basin Watermaster staff to upload various documents to the Watermaster's website. To access the Maintenance Portal, please register by contacting El Guapo in the back room.