Texas HUC-12

HUC-12 Watershed Polygons for the State of Texas

Information

Texas HUC-12 subwatersheds This file is a Texas HUC-12 subwatershed boundary layer, sourced from the USGS National Hydrography Dataset (NHD) — Hydrologic Unit 12 Subwatershed (Layer ID: 5). It has been reprojected to EPSG:5070 (NAD83 / Conus Albers, equal-area) and converted to FlatGeobuf (.fgb) format for streaming access. HUC-12 units are watershed delineations in the U.S., each representing a drainage area of roughly 40–250 km².

Learn more about the Watershed Boundary Dataset (WBD). Explore HUC boundaries interactively via the USGS WBD Map Service.

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HUC-12 Polyons in Texas (FGB) Download File

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