Summary: General rate case filing for an additional $11,100 (15.7 percent) per year. The company serves about 185 customers on central Vashon Island in King County. The company's last rate increase was July 2006. This filing proposes a monthly surcharge of $5.00 to cover capital cost associated with new storage tank and booster pumping station. The surcharge will run for 20 years or until recovery of capital cost of $192,607, which ever occurs first.