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4 datasets

BIOS (Biogeographic Information and Observation System)

Published by: California Department of Fish and Wildlife
Last updated: Friday, September 25, 2026
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...

Surface Water - Water Quality Regulated Facility Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, September 22, 2026
File types: CSV, XLSX, PDF

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

Interagency Ecological Program: Benthic invertebrate monitoring in the Sacramento-San Joaquin Bay-Delta, collected by the Environmental Monitoring Program, 1975-2025.

Published by: California Department of Water Resources
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), HTML

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) was initiated in compliance with the Water Right Decision D-1379 (no...

Interagency Ecology Program: Generalized Random Tesselation Stratified (GRTS) sampling of the benthic community of the upper San Francisco Estuary, 2007-2019.

Published by: California Department of Water Resources
Last updated: Friday, September 25, 2026
File types: CSV (EXTERNAL DOWNLOAD), ZIP, HTML

The Interagency Ecological Program’s (IEP) Environmental Monitoring Program (EMP) conducted a special study of benthic invertebrates from 2007-2019, m...