These documents provide guidance to engineers, surveyors and other professionals involved in commercial or subdivision development in Navajo County.
|Subdivision & Commercial Guidelines
||Drainage and Floodplain Requirements for Development in Navajo County. Guidance for developers and engineers on meeting the Navajo County drainage and floodplain requirements for subdivision and commercial development.
||Erosion Hazard Assessment. Guidance for engineers in identifying erosion hazards along streams and watercourses in Navajo County.
||Estimating Percent Vegetative Cover. Guidelines for engineers in estimating percent vegetative cover when using the ADOT Hydrology Manual HEC-1 methodology.
Estimating Percent Impervious Cover. Guidelines for engineers in estimating percent impervious cover when using the ADOT Hydrology Manual HEC-1 methodology.