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846 datasets

Methodological comparison of multiple MPA rocky ecosystem monitoring techniques

Published by: California Ocean Protection Council
Last updated: Friday, May 1, 2026
File types: PDF

California recently completed the implementation of a large network of Marine Protected Areas (MPAs) across the state via legislation called the Marin...

CalSIP Stream Gages

Published by: California Department of Water Resources
Last updated: Monday, May 4, 2026
File types: ARCGIS GEOSERVICES REST API, CSV

### More information can be found at the CA DWR California Stream Improvement Program webpage at https://water.ca.gov/Work-With-Us/Technical-Assistanc...

Surface Water - Flow Targets for Southern California Streams

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: CSV, PDF, ARCGIS

Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physic...

SB 1000 Populations

Published by: California Energy Commission
Last updated: Monday, May 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Definitions:Urban: Contiguous urban census tracts with a population of 50,000 or greater. Urban census tracts are tracts where at least 10 percent of ...

California's 30x30 Initiative

Published by: California Natural Resources Agency
Last updated: Saturday, May 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

In October 2020, Governor Newsom signed his Nature Based Solutions Executive Order N-82-20, elevating the role of natural and working lands in the fig...

Conservation Opportunities Modeler User Guide

Published by: California Natural Resources Agency
Last updated: Saturday, May 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This guide will introduce the Conservation Opportunities Modeler and will familiarize you with key features and capabilities. The Conservation Opportu...

Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019

Published by: California Department of Water Resources
Last updated: Monday, May 4, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

California Water Plan - Groundwater Update 2013

Published by: California Department of Water Resources
Last updated: Monday, May 4, 2026
File types: PDF

California's Groundwater Update 2013: A Compilation of Enhanced Content for California Water Plan Update 2013 compiles and analyzes readily-available ...

CalEnviroScreen 10th Anniversary

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Monday, May 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

It has been 10 years since CalEPA and OEHHA released the first version of CalEnviroScreen, a groundbreaking environmental justice (EJ) mapping tool th...

Light Rail Stops

Published by: California Energy Commission
Last updated: Monday, May 4, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This data is intended to assist staff and visitors to the California Energy Commission headquarters, 715 P Street, 3rd Floor, Sacramento, CA 95814 wit...