Directory of Tools & Data

A wide variety of online tools have been developed that can provide information about a groundwater basin.  Browse the tools and data sources below to find out more information about your groundwater basin.

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Display and download well information, groundwater data, hydrographs, maps, and more.

Keywords: Groundwater Levels, Wells
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This open data platform contains datasets from state agencies, including water quality, disadvantaged communities, crop mapping, Delta levees, g…

Keywords: Disadvantaged Communities, Groundwater Levels, Water Quality
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This mapping tool shows disadvantaged community (DAC) status throughout the State, using the definition provided by Proposition 84 IRWM Guidelin…

Keywords: Disadvantaged Communities
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The GAMA Program’s online groundwater information system integrates and displays groundwater quality data from several different sources to he…

Keywords: Water Quality
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This interactive web map displays all published reports from GAMA projects, while also providing study unit information. Reference layers are al…

Keywords: Water Quality
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This tool allows you to view existing Bulletin 118 groundwater basin boundaries.

Keywords: Boundaries
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GDE maps, GDE guidance, and a plant rooting depth database to incorporate GDEs into Groundwater Sustainability Plans.

Keywords: Vegetation, Wetlands
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This mapping tool allows you to view and download groundwater depth information and download as GIS shapefiles or GeoTIFF raster files.

Keywords: Boundaries, Groundwater Levels
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This interactive web map plots water-quality data from domestic and public-supply wells sampled by the USGS for the California GAMA Priority Bas…

Keywords: Water Quality
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GRAT is deisgned to help GSAs identify and prioritize the most cost-effective on-farm recharge projects and operations.

Keywords: Groundwater Recharge, Soils and Geology
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This map shows areas of recorded subsidence—historical and current—across California.

Keywords: Land Subsidence
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This mapping tool allows you to view and download both statewide and existing county land use datasets from the mid 1980s up to as recent as 201…

Keywords: Crop Data, Land Use
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This mapping tool allows viewing and download of Vegetation and Wetland layers contained in the Natural Communities Commonly Associated with Gro…

Keywords: Vegetation, Wetlands
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The project includes an extensive study of nitrogen sources, their long-term implications, and potential solutions.

Keywords: Water Quality
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UNAVCO has access to GPS/GNSS, imaging data such as InSAR, TLS; and meteorological data. Most of these can be accessed via web services.

Keywords: Land Subsidence
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As part of the Recycled Water Policy adopted by the State Water Board, agencies, municipalities, and local stakeholders are to develop salt and …

Keywords: Salt and Nutrient Management Plans, Water Quality
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The SGMA Data Viewer is a mapping application for viewing and downloading SGMA related datasets organized for GSP development.

Keywords: Boundaries, Climate Change, Groundwater Levels, Land Subsidence, Land Use, Soils and Geology, Surface Water, Water Quality
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An index and web application of high-magnitude streamflow availability for groundwater recharge across the Central Valley, including a relative …

Keywords: Boundaries, Streamflow Availability, test
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Download groundwater, water quality, surface water, and climate data for over 35,000 wells.

Keywords: Climate, Groundwater Levels, Surface Water, Water Quality
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This interactive map application allows you to overlay numerous GIS layers onto a map, such as groundwater basins, hydrologic regions, political…

Keywords:
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This mapping tool provides direct statewide access to copies of Well Completion Reports, which contain information on planned use, depth of the …

Keywords: Wells