Community links Resources Island County Public Health Visit Site Washington State Department of Health Visit Site Washington State U&T Commission Visit Site E.P.A.-Ground Water and Drinking Water Visit Site Southwest Region Water System Plan Drafts Diamond Point - 2025 Water System Plan - Part B Estates – 2025 Water System Plan – Part B Discovery Bay Village - 2025 Water System Plan - Part B Monterra – 2025 Water System Plan – Part B