Wellhead Protection Areas (Assigned)

Polygons depict default assigned 1,000 ft. time of travel estimates for active group a 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.多边形图层展示了活跃公共饮用水供水系统群组的默认预设1000英尺水流旅行时间估算值。数据源位置数据取自华盛顿州卫生部饮用水办公室。该图层已应用于《水源评估与保护》应用程序，访问地址为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。元数据日期不会自动更新。