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National Hydrography Dataset (NHD) Archive
State of California —
This page is meant to act as an archival repository for previous versions of the statewide National Hydrography Dataset (NHD) which includes the Watershed Boundary... -
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i08 GroundwaterDepthSeasonal Points
State of California —
This dataset depicts groundwater level (expressed as depth below ground surface) at selected monitoring locations (wells), by season and year. Other information on... -
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i03 WaterDistricts
State of California —
This dataset represents polygon boundaries of all public water agencies in California including public water systems, agricultural water districts, urban water... -
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Drought and Water Shortage Risk: Small Suppliers and Rural Communities (Version 2021)
State of California —
Per California Water Code Section 10609.80 (a), DWR has released an update to the indicators analyzed for the rural communities water shortage vulnerability analysis... -
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SSWP Non-Native Invasive Plants
State of California —
The SSWP Non-Native Invasive Plants Study is one of many relicensing documents for the South SWP (SSWP) Hydropower Project Number 2426. The California Department of... -
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2011 and 2012 Georgiana Slough Non-Physical Barrier Performance Evaluation - GSNPB-12_Legacy_Reports v2
State of California —
DWR implemented a large-scale experimental testing program in 2011 and 2012 to assess the effectiveness of a non-physical barrier as a method for guiding downstream... -
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i08 B118 CA GroundwaterBasins 2016
State of California —
The dataset is a feature class showing the boundaries of 517 groundwater basins and subbasins as defined by the California Department of Water Resources as last... -
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i07 SignificantResourceAreas Delta 1979
State of California —
"This section identifies those areas in the Delta which because of their resource value should receive special consideration. Those areas...have been classified as... -
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i06 Bathy NCRO 20080708 WalnutGrove to Ryde
State of California —
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Department of Water... -
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i03 SystemwidePA 20101007
State of California —
This feature class represents the Systemwide Planning Area. It is one of the three Central Valley Flood Protection Plan (CVFPP) Planning Areas. It is comprised of the... -
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i08 C2VSimFG Boundary
State of California —
The boundary dataset covers the model domain of the C2VSimFG. The total area of the model domain is 20,742 square miles. It contains 32,537 elements, which make up... -
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i08 Delta InChannel Islands
State of California —
Data contains historical polygons of in-channel islands within the Sacramento San Joaquin Delta. Data consists of merged datasets from 1929, 1940, 1949, 1952, 1995,... -
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i02 Natural Communities Commonly Associated with Groundwater (NCCAG)
State of California —
The Natural Communities Commonly Associated with Groundwater (NCCAG) dataset is a compilation of phreatophytic vegetation, regularly flooded natural wetlands and... -
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Bay-Delta SCHISM Milestone Mesh Versions
State of California —
This dataset includes gzipped files formats native to the Surface Water Modeling System (SMS) grid generation software or *.gr3 format native to SCHISM. All are text... -
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i17 Levee Centerlines SuisunMarsh
State of California —
Center lines of the Suisun Marsh levee systems. This dataset is a combination of different Suisun Marsh levee datasets that were edited to be accurate with the... -
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i06 Bathy USCGS 1934 Sacramento and MokelumneRiverSystems
State of California —
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Department of Water... -
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i06 Bathy CP 20220830 OldRiver South
State of California —
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Department of Water... -
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i06 Bathy USACE 200201 DeepWaterShipChannel
State of California —
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Department of Water... -
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i06 Bathy NOAA 1942 ChippsIsland
State of California —
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Department of Water... -
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i06 Bathy NCRO 20080708 Clarksburg to Sutter
State of California —
This service, (i06_SingleBeam_Bathymetry) is a service containing point feature layers with single beam bathymetric data collected by California Department of Water...