The North Marin Water District board approved modest increases for West Marin water rates with little fanfare on Tuesday, but a bigger jump in sewer rates for part of Dillon Beach prompted protests and an incremental schedule for the change.

The hikes are meant to help fund major capital projects to improve the systems, and more annual increases are to come in the foreseeable future.

The water rate boost in Point Reyes Station, Olema and…