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21 datasets

Toxicity Criteria Database

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Tuesday, December 30, 2025
File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, March 24, 2026
File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). CEDEN is the California State Water...

US EPA Toxics Release Inventory (TRI) 2017

Published by: California Environmental Protection Agency
Last updated: Tuesday, October 29, 2019
File types: CSV, PDF

The Toxics Release Inventory (TRI) is a resource for learning about toxic chemical releases and pollution prevention activities reported by industrial...

2019 California Water Quality Status Report

Published by: California State Water Resources Control Board
Last updated: Wednesday, October 23, 2019
File types: ZIP, XLSX, CSV, TXT

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...

Surface Water - Sampling Location Information

Published by: California State Water Resources Control Board
Last updated: Wednesday, March 4, 2026
File types: PDF, CSV

Information about sampling locations for data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). This set of stati...

Hazardous Waste Id Numbers

Published by: California Department of Toxic Substances Control
Last updated: Saturday, April 4, 2026
File types: CSV

Hazardous waste identification (ID) numbers are issued by the U.S. Environmental Protection Agency (Federal EPA ID number) or by the Department of Tox...

Integrated Risk Information System

Published by: California Department of Toxic Substances Control
Last updated: Tuesday, October 29, 2019
File types: ZIP

The goal of IRIS is to identify and characterize the health hazards of chemicals found in the environment. ...

Chemicals in Cosmetics

Published by: California Department of Public Health
Last updated: Saturday, April 4, 2026
File types: CSV, XLSX, PDF, ZIP

These data reflect information that has been reported to the California Safe Cosmetics Program (CSCP) in the California Department of Public Health (C...

Surface Water - 2018 California Water Quality Status Report

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

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This second editio...

CalEnviroScreen 2.0

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: CSV, XLSX, PDF

The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...