Water
Themes include well water, water quality, wastewater, watershed, storm water, drinking water.Popular datasets
Well Completion Reports
Surface Water - Indicator Bacteria Results
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
Search Water datasets
549 datasets
i08 GroundwaterDepthSeasonal Contours
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...
i08 FaultCrossings StateWaterProject
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Approximate locations of faults crossing the California Aqueduct, Coastal Branch, North Bay Aqueduct, and South Bay Aqueduct. Taken from "State Water ...
i08 GroundwaterDepthSeasonal Points
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts groundwater level (expressed as depth below ground surface) at selected monitoring locations (wells), by season and year. Other i...
i08 Delta InChannel Islands
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
Data contains historical polygons of in-channel islands within the Sacramento San Joaquin Delta. Data consists of merged datasets from 1929, 1940, 194...
i08 CriticallyOverdraftedBasins
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The dataset is a feature class showing the boundaries of 515 groundwater basins and subbasins as defined by the California Department of Water Resourc...
i08 GroundwaterElevationSeasonal Countours
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...
i08 ChicoMonoclineLineaments SacramentoValley
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, "Geologic M...
i08 GroundwaterLevelChange Contours
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...
i08 C2VSimFG Subregions
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
The C2VSimFG model elements are grouped into 21 subregions to facilitate data entry and reporting of model results. The subregion can be further group...
i08 GroundwaterLevelChangeSeasonal Contours
- Published by: California Department of Water Resources
- Last updated: Friday, June 27, 2025
- File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML
This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...