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State
California Streams
State of California —
Notes: As of June 2020 this dataset has been static for several years. Recent versions of NHD High Res may be more detailed than this dataset for some areas, while... -
State
HUC Watershed Poly
State of Connecticut —
This data set is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The original data set was developed by delineating the... -
State
National Watershed Boundary Dataset (WBD)
State of Arkansas —
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and... -
State
14-digit HU NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
HUC Watershed Line
State of Connecticut —
This data set is a digital hydrologic unit boundary layer that is at the Subwatershed (12-digit) level. The original data set was developed by delineating the... -
State
Statewide Agricultural Water Use Data 2016-2020
State of California —
Descriptions Excel Application Tool for Statewide Agricultural Water Use Data 2016 - 2020 Department of water resources, Water Use Efficiency Branch, Water Use Unit... -
State
Oregon Channel Migration
State of Oregon —
Channel migration is the natural process by which streams move laterally over time. It is typically a gradual phenomenon that works over many years to effect... -
State
Quaternary Geology LIS Channel-Fill Deposits
State of Connecticut —
Connecticut Quaternary Geology Long Island Submerged Marine Fluvial-Estuarine, Channel-Fill Deposits identifies early postglacial, channel-fill deposits submerged in... -
State
National Watershed Boundary Dataset (WBD)
State of Arkansas —
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and... -
State
California's Groundwater Update 2020 (Bulletin 118)
State of California —
California's Groundwater Update 2020 (CalGW) is California's foremost technical publication on groundwater in the state of California. CalGW, formally known as... -
State
10-digit HU (Watershed) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
Dams
Vermont Center for Geographic Information —
This dataset is generated from Dam Inventory. The inventory is managed by the VT DEC's Dam Safety and Hydrology Section and contains information about Vermont's dams.... -
State
i07 FloodSystemMetric Polygon
State of California —
The Central Valley Flood Protection Plan (CVFPP) recommends that the California Department of Water Resources (DWR) develop a system for tracking performance of the... -
State
Aquatic Organisms [ds193]
State of California —
This dataset is a subset of the Tuolumne Aquatic Resources Relational Inventory (TARRI) compiled by Brian Quelvog, California Department of Fish and Game. The... -
State
Borrow Areas
Florida Department of Environmental Protection —
Contains polygons and known attributes of all offshore borrow areas and geotechnical studies for the state of Florida. -
State
Agricultural Water Use Data 1998-2005
State of California —
Excel Application Tool for Agricultural Water Use Data 1998 - 2005 Department of water resources, Water Use Efficiency Branch, Water Use Unit program, has developed... -
State
Surficial Aquifer Texture
State of Connecticut —
Surficial Aquifer Texture Map was prepared from the Surficial Materials Map of Connecticut (Stone, J.R., Schafer, J.P., London, E.H. and Thompson, W.B., 1992, U.S.... -
State
6-digit HU (Basin) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
Vegetation - Coachella Valley Floor [ds2898]
State of California —
The University of California Riverside’s Center for Conservation Biology (CCB) has created fine-scale vegetation maps for a number of Conservation Areas under the...