Wellhead Protection Areas (Group B)

Polygons depict default 600ft. time of travel estimates for active group b public drinking water supplies. Source location data were obtained from the Washington State Department of Health, Office of Drinking Water. This layer is used in the Source Water Assessment Protection application https://fortress.wa.gov/doh/swap/index.html. Data is updated Monday mornings. Check the "Data updated:" date in the Details section. Metadata dates are not automatically updated.面状要素（Polygons）表示活跃B类公共饮用水供水设施的默认600英尺运移时间估算值。水源位置数据源自华盛顿州卫生部饮用水办公室。该图层应用于水源评估与保护应用程序https://fortress.wa.gov/doh/swap/index.html。数据于每周一上午更新，请在详情板块中查看“数据更新：”对应的日期。元数据（Metadata）日期不会自动更新。