EPA Office of Water Georeferencing Plan

Author: Michael Plastino
Organization: EPA Office of Water

401 M St SW
Washington, DC 20460
USA

Phone: 202-260-7926
Fax: 202-260-7926
plastino.michael@epa.gov

The EPA Office of Water (OW) is initiating georeferencing of all OW water-related data to National Hydrography Dataset (NHD) reaches and eight-digit Hydrologic Unit Code (HUC) watersheds. EPA's Reach Indexing Tool (RIT) and other geocoding tools will be utilized to assign reach addresses and watersheds for point and nonpoint features. Addresses will be stored in EPA's reach address database (RAD) and HUC common reference tables. This effort, which could serve as a model for agencywide implementation, will enable implementation of reach-based and watershed-based programs such as the Total Maximum Daily Load (TMDL) and Unified Watershed Assessment (UWA) programs.