Description: This data set is a general reference for designated uses applied to Arizona stream reaches. It is derived from National Hydrography Dataset(NHD) Version 1 medium resolution (Scale 1:100,000) hydrography, filtered for segments assigned waterbody IDs (WBIDs) by ADEQ for water quality assessment purposes, and joined with the live assignments of designated uses maintained in the ADEQ WAQ database schema.
Description: This data set shows the location of TMDL Lake locations in Arizona. The data set was derived from multiple sources. This GIS data set is a snapshot in time of a dynamic database. It may include closed and inactive records as of the time the data set was created.