20250205 14580200 1.0 TRUE hdzimp Hillside Development Overlay Zones HDZ Impact Areas Hillside Development Overlay Zones Impact Areas Hillside Development Overlay Zones (HDZ) Impact Areas <DIV STYLE="text-align:Left;font-size:12pt"><P><SPAN>Displays HDZ impact areas on unincorporated parcels, as described by Chapter 18.61 of the Pima County Code Ordinances. HDZimp features are slopes of 15% or greater with selected rises and runs. Features are categorized into Definitely and Possibly HDZ polygon features.</SPAN></P></DIV> Pima County ITD GIS & DSD <DIV STYLE="text-align:Left;font-size:12pt"><P><SPAN>Incorporated parcels and parcels owned federally or by the Tohono O’Odham Nation were excluded from analysis.</SPAN></P></DIV>