Waterbody IDs (WBIDs)

This is a statewide polygon layer in which each polygon has a unique Water Body Identification number (WBID). The assessment units are drainage basins, lakes, lake drainage areas, springs, rivers and streams, segments of rivers and streams, coastal, bay and estuarine waters in Florida. The polygons roughly delineate the drainage basins surrounding the water body assessment units. The WBIDs are used in the Basin Rotation Total Maximum Daily Load (TMDL) program as well as other applications. WBIDs are assigned a FDEP district as part of their attribution. There are multiple instances where a WBID may be assigned to an FDEP district, but physically fall within the boundary of a different district. This is because WBIDs are grouped together into basins called Planning Units and there are instances where a Planning Unit basin will fall across FDEP district boundaries. In these cases, for consistency's sake, all the WBIDs that are in the Planning Unit will be assigned to the same FDEP district. For information on which district the WBID physically falls in, please refer to the FDEP Regulatory Districts layer.本数据集为佛罗里达州全域面要素图层，每个面要素均配有唯一的水体识别编号（Water Body Identification Number，WBID）。其评估单元涵盖佛罗里达州内的流域、湖泊、湖泊汇水区、泉眼、河流与溪流、河流/溪流河段、近岸海域、海湾及河口水域。面要素大致勾勒出水体评估单元周边的汇水区域。作为属性信息的组成部分，每个WBID均会被分配至一个FDEP辖区。存在部分WBID虽被分配至某一FDEP辖区，但其实际地理范围却隶属于另一辖区的情况。这是由于WBID会被整合至名为规划单元（Planning Units）的汇水流域中，而部分规划单元流域会跨FDEP辖区边界分布。为保证数据一致性，此类规划单元内的所有WBID均会被统一分配至同一个FDEP辖区。若需查询WBID实际所属的辖区，请参考FDEP监管辖区图层。