Hydrography Data Layers
Introduction
This Pacific Northwest Hydrography Framework dataset provides complete coverage of high resolution hydrography data for Oregon/Washington. The data layer description documents provides an overview of the current Oregon/Washington Hydrography Framework data structure. Note that the PNWHF is currently converting the Oregon/Washington dataset to the National Hydrography Dataset (NHD) data format.
Download Data
Download hydrography distribution coverages by 4th level HU (subbasin). In the future this dataset will be replaced with a fully densified NHD dataset.
Editing Hydrography Data Layers
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