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179 datasets

Surface Water - Freshwater Harmful Algal Blooms

Published by: California State Water Resources Control Board
Last updated: Thursday, April 30, 2026
File types: PDF, CSV

Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...

Chronic Wasting Disease Positive Detections - 2024-2025 - CDFW [ds3183]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Department of Fish and Wildlife (CDFW) has detected Chronic Wasting Disease (CWD) within the state and is working diligently to monitor...

California Important Farmland Finder

Published by: California Department of Conservation
Last updated: Thursday, April 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This application provides an easy way to calculate the area and type of Important Farmland in an area of interest.Important Farmland Maps are compiled...

California Water Rights Violations

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOCX

This list includes detail information for each violation record as stored in the State Water Resources Control Board's "Electronic Water Rights Inform...

California Spiny Lobster (Panulirus interruptus), California South Coast MPA Baseline Study, 2012 to 2013

Published by: California Ocean Protection Council
Last updated: Friday, April 24, 2026
File types: PDF, ZIP, CSV

The South Coast Lobster Research Group (SCLRG) was formed in 2011 in response to interest in how MPAs may affect the abundance, size, and behavior of ...

SWAMP Data Dashboard

Published by: California State Water Resources Control Board
Last updated: Monday, April 27, 2026
File types: PDF, CSV

This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...

Polycyclic Aromatic Hydrocarbon Samples - 2011-2024 - OSPR [ds714]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds found in the environment associated with natural and anthropogenic activities...

Express Lanes

Published by: Caltrans
Last updated: Thursday, April 30, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California HOV/Express Lane Business Plan is a framework for Caltrans and its partners to focus statewide activity during 2009-2011 that will lead...

Pacific Bluefin Tuna Tracking - Sportfishing Report.com

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 30, 2026
File types: XLSX

This project monitors the reported recreational Pacific bluefin tuna catch in California by industry on sportfishingreport.com. The data is a tally of...

Creel Surveys - Klamath River

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 30, 2026
File types: XLSX, ZIP

Annual field data from Klamath River Creel surveys. Field data collected from interviews with shore and boat based recreational anglers. Klamath River...