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2755 datasets

CGS Information Warehouse: Mineral Lands Classification

Published by: California Department of Conservation
Last updated: Wednesday, October 15, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

Mineral Land Classification (MLC) studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 ...

Drinking Water - Public Water System Information

Published by: California State Water Resources Control Board
Last updated: Thursday, August 22, 2024
File types: PDF, CSV

The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton fo...

BIOS (Biogeographic Information and Observation System)

Published by: California Department of Fish and Wildlife
Last updated: Wednesday, October 15, 2025
File types: HTML, ARCGIS GEOSERVICES REST API

BIOS is an online map viewer designed to enable the management, visualization, and analysis of biogeographic data collected by the California Departme...

Ground Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, September 2, 2025
File types: CSV

GeoTracker is the Water Boards' data management system for sites that impact, or have the potential to impact, water quality in California, with empha...

Surface Water - Water Quality Regulatory Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 14, 2025
File types: CSV, PDF

This data set lists active and historical enforcement actions records that are stored in the [California Integrated Water Quality System](https://www....

CGS Information Warehouse: Landslide Maps and Reports

Published by: California Department of Conservation
Last updated: Wednesday, October 15, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Since the 1960's, the California Geological Survey (CGS) has produced numerous maps that show landslide features and delineate potential slope-stabili...

Drinking Water - Public Water Systems Rates Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 29, 2019
File types: CSV, PDF

Public Water Systems (PWS) submit their annual reports with rate information using the Electronic Annual Report (EAR) submission process on the Drinki...

Surface Water - Water Quality Regulated Facility Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 14, 2025
File types: CSV, XLSX, PDF

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboar...

2005 Urban Water Management Plans (UWMPs) Historic Information

Published by: California Department of Water Resources
Last updated: Tuesday, October 14, 2025
File types: PDF

2005 Urban Water Management Plans (UWMPs) Historic Information...

2010 Urban Water Management Plans (UWMPs) Historic Information

Published by: California Department of Water Resources
Last updated: Wednesday, October 15, 2025
File types: PDF

2010 Urban Water Management Plans (UWMPs) Historic Information...