South Bainbridge Water-sharing Proposal Ties Future Increases to Conservation Review
A proposed water-system connection would let Bainbridge Island supply additional water to Kitsap Public Utility District’s South Bainbridge customers during the peak-use season, with conservation efforts included in reviews of future supply increases.
A proposed connection between two Bainbridge Island water systems would provide supplemental summer water to Kitsap Public Utility District’s South Bainbridge customers. Future increases in that supply would be reviewed against customer growth, conservation results and progress toward developing a new water source.
The City Council is scheduled to consider the revised agreement on October 27. Staff say the conservation language was added following the council’s October 13 discussion.
KPUD has been seeking additional supply because some South Bainbridge wells have become less productive while demand rises during summer. The utility temporarily paused new water connections earlier this year. In an August customer update, KPUD said conservation was helping but would not, by itself, provide enough additional capacity for future needs.
The proposed connection, called an intertie, would link the city’s Winslow water system with KPUD’s South Bainbridge system on Eagle Harbor Drive near the head of Eagle Harbor. It would also allow emergency water sharing in either direction throughout the year, subject to availability.
The agreement calls for the city to provide up to 40 gallons per minute during May 15 through September 15 in the first year. Starting in the third year, the seasonal supply could increase by up to nine gallons per minute annually for five years, reaching a maximum of 85 gallons per minute.
Those increases would undergo annual review. The utilities would consider growth in water connections, efforts to conserve water and their results, and progress toward a new source well. Water would remain subject to availability, with reductions during severe drought on the same basis as restrictions for other customers.
KPUD would lead design, permitting and construction and pay the project costs. Both utilities and the Washington State Department of Health would have to approve construction plans before work begins.
The agreement would expire after seven years or when KPUD develops a new water source, whichever comes first. Approving it would establish the terms for sharing water; construction and the required approvals would still have to follow.
The council packet includes the revised agreement. KPUD also maintains a South Bainbridge update page.
UPDATE: The City Council voted 6–1 on October 27 to authorize the water-sharing agreement. Read our follow-up report on the approval and continuing conservation concerns.





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