WebDescription This polygon shapefile contains the 4th level, 8-digit hydrologic unit code (HUC) sub-basin boundaries for California. A hydrologic unit is a drainage area delineated to nest in a multi-level, hierarchical drainage system. WebService Description: This is calwater221 dissolved by Hydrologic Unit. The California Interagency Watershed Map of 1999 (Calwater 2.2, updated May 2004, "calw221") is the State of California's working definition of watershed boundaries. Previous Calwater versions (1.2 and 2.2) described California watersheds, beginning with the division of …
ArcGIS
WebCalifornia's WBD improvements are sent to USGS for certification and incorporation to the national geodatabase. The certified WBD is included within the National Hydrography … WebThis dataset is a simplified version, created by use of the ArcGIS Simplify Polygon tool with the Douglas-Peucker Line simplification algorithm, reducing the vertex count from 1,095,449 to 9108. This dataset was reprojected from the original NAD 83 Geographic Coordinate System to WGS 1984 Web Mercator auxiliary sphere for use in web map ... myhr sncorp.com
Watershed Boundaries, California (10-digit HUC), 2012-2013
WebImplementation (IP) Watershed and Total Maximum Daily Load (TMDL) Datasets Implementation Watersheds (IP) Polygon layer representing all watershed Boundaries … WebThe South Yuba River, Deer Creek, and Bear River Watersheds, California - Northern Central Valley Basins and The Great Basin from Honey Lake Basin to Oregon State Line - Water Year - Pesticides in Surface Waters - Links to Projects, Publications and Information for Region 18 - California Availability of Ground-Water Data for California - WebWetlands data viewed on the Wetlands Mapper can be downloaded by HUC8 watershed or by State or U.S. Territory in either file Geodatabase or Shapefile (PDF) format. The Wetlands Mapper 'Get Data' button allows data to be downloaded by HUC8 watershed or by State. The State Downloads page allows data to be downloaded by state. ohio two party state