Source Water Assessment and Protection Program Zones in Kentucky

The Source Water Assessment and Protection Program (SWAPP) is designed to provide proactive planning and protection of public drinking water supplies.The SWAPP data set provides a three-tiered polygon delineation of the areas of contribution to drinking water intakes on streams, rivers, lakes and reservoirs. Zone 1 (Critical Zone) begins ¼ mile below the intake site and extends 5 miles upstream of the intake. Zone 2 (Zone of Responsibility) extends the protection area to 10 miles above the intake. Zone 3 (Zone of Potential Impact) extends to 25 miles above the intake or to the hydrologic boundary. This data set is published as one merged statewide data set, to show spatial extent of coverage (i.e. where protection zone 3 areas overlap, the individual polygons are merged). Download spatial layer on Box.源水评估与保护计划（Source Water Assessment and Protection Program，SWAPP）旨在为公共饮用水供应体系提供主动规划与保护支持。SWAPP数据集针对溪流、河流、湖泊及水库的饮用水取水口，划定了其补给区域的三层多边形范围。其中，1区（关键区）始于取水点下游0.25英里处，向上游延伸5英里；2区（责任区）将保护范围拓展至取水点上游10英里处；3区（潜在影响区）则延伸至取水点上游25英里处或水文边界。本数据集以合并后的全州统一数据集形式发布，用于展示覆盖空间范围（即当3号保护区区域发生重叠时，将对单个多边形进行合并处理）。用户可在Box平台下载该空间图层。