-
State
National Hydrography Data - NHD and 3DHP
State of California —
The USGS National Hydrography Dataset (NHD) Downloadable Data Collection from The National Map (TNM) is a comprehensive set of digital spatial data that encodes... -
Federal
National Wild and Scenic Rivers (Feature Layer)
Department of Agriculture —
A depiction of areas designated as Wild and Scenic Rivers. Metadata -
Federal
Surface Drinking Water Importance (Feature Layer)
Department of Agriculture —
Note: This is a large dataset. To download, go to๏ฟฝArcGIS Open Data Set๏ฟฝand click the download button, and under additional resources select the shapefile or... -
State
Refuge Conveyance Waterways - Central Valley Project Improvement Act [ds2635]
State of California —
Data was compiled to provide a singular visual representation of conveyance waterways and features available to deliver water to CVPIA wetland habitat area and to... -
Federal
National Wild and Scenic River Lines (Feature Layer)
Department of Agriculture —
This polyline feature class depicts the river corridors of each Wild and Scenic River designated by Congress or the Secretary of the Interior for the United States... -
State
Ground Water SPA
Vermont Center for Geographic Information —
Groundwater SPA. This GIS layer consists of the geographic location of the Source Protection Areas for active and inactive Public Community and Non-Transient Non-... -
Wetland Inventory
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Wetland Types
District of Columbia —
This data set represents the extent, approximate location and type of wetlands and deepwater habitats in the United States and its Territories. These data delineate... -
Federal
National Wild and Scenic Rivers: Legal Status (Feature Layer)
Department of Agriculture —
The Land Status view of a Wild and Scenic River. Areas designated by Congress as part of the National Wild and Scenic River System, with related details including the... -
Federal
Watershed Condition Classification: Priority Watersheds (Feature Layer)
Department of Agriculture —
The Watershed Condition Classification feature class represents data on Watershed Condition on Forest Service lands in HUC12 (from the Watershed Boundary Dataset)... -
State
30x30 Conserved Areas, Marine
State of California —
30x30 considers all California State Marine Protected areas conserved under the definition adopted in the 30x30 Pathways document.These data include all of... -
State
Potential Riparian Connections - CEHC [ds622]
State of California —
A product of the California Essential Habitat Connectivity Project - http://www.dfg.ca.gov/habcon/connectivity/, potential riparian connections were extracted from... -
State
Stream Inventory Reports by Watershed - CDFW [ds937]
State of California —
In-stream habitat data include measurements of a variety of physical and aquatic stream attributes that collectively reveal a great deal about stream condition for... -
Wetland General Types
District of Columbia —
NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish Wildlife Service. This dataset is one of a series available in... -
Topography Hydro Breaklines
District of Columbia —
The dataset contains hydro-breaklines that were collected in 2D as vector line work, using a combination of classified lidar dataset, intensity images, shaded relief... -
Hydrography Lines 2019
District of Columbia —
Hydrography lines. The dataset contains polylines representing planimetric hydrography, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
Hydrography Lines 2017
District of Columbia —
Hydrography lines. The dataset contains polylines representing planimetric hydrography, created as part of the DC Geographic Information System (DC GIS) for the D.C.... -
Hydrography Centerline
District of Columbia —
The dataset contains lines representing planimetric hydrography centerline, -
Chesapeake Bay Watersheds
District of Columbia —
The dataset contains locations and attributes of HUC-11 watersheds. The USGS presents a detailed explanation of HUCs at https://water.usgs.gov/GIS/huc.html. HUC-11... -
Hydrography Lines 2015
District of Columbia —
Hydrography lines. The dataset contains polygons representing planimetric hydrography, created as part of the DC Geographic Information System (DC GIS) for the D.C....