Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

BLM OR Hydrography Waterbody Polygon Hub

Published by Bureau of Land Management | Department of the Interior | Metadata Last Checked: January 17, 2026 | Last Modified: 2026-01-14T16:15:09Z
HYD_WATERBODY_POLY: This dataset contains waterbody features from the US Geologic Survey (USGS) High Resolution National Hydrography Dataset (NHD). NHD waterbody features include polygons depicting Lake/Ponds, swamp/marsh, estuaries, etc. Additional attributes have been added from the Bureau of Land Management (BLM) hydrography event data. This data will be refreshed as-needed to reflect updates to the NHD and Bureau of Land Management (BLM) hydrography event data.

Complete Metadata

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov