Welcome to "Toxicity Datasheets" - UKWIR's Database on Chemical Toxicity, Environmental Fate and Water Treatment


The software for this version of the Database has undergone a thorough update to meet the changing requirements of internet browsing technology. This has also provided an opportunity to organise the increasing amount of information in to more logical sections and make improvements to some of the database features. The new system looks very different, it is designed to be intuitive, so feel free to explore. There are help pages to assist if needed.

Before using these Toxicity Datasheets you must confirm that you have authorised access to the Toxicity Datasheets and agree that you have read and accepted the Terms and Conditions and the Disclaimer set out below.

Toxicity Datasheets has been developed to provide information to assist water suppliers and other users to respond in a rapid and effective manner to water pollution incidents. The database has been compiled over many years and is the largest of its kind. It is maintained by WRc plc on behalf of UK Water Industry Research (UKWIR) and contains a wealth of information on over 600 chemicals including:

  • Occurrences and likely sources / uses of chemicals
  • Human and mammalian toxicity data
  • Health-based and / or operational SNARL values (Suggested No Adverse Response Levels)
  • Toxicity for aquatic life
  • Taste and odour
  • Removal during water and wastewater treatment
  • Analytical methods and detection limits

The user has access to comprehensive information for many chemicals in the Toxicity Datasheets. However, in the event that additional data are required, assistance can be requested from WRc plc through the Toxicity Advisory Service. This service is provided 24 hours a day, 365 days a year and is free to UKWIR members (contact WRc's UKWIR toxicity advisory service on: 0800 389 7668). The staff will be happy to assist in locating data and/or in its interpretation. There is a charge to non-UKWIR members for using the Toxicity Advisory Service, which will be determined by WRc on a case-by-case basis, depending on the nature of the enquiry. For further information, please contact


All intellectual property rights arising in the content, format, design and arrangement of these Toxicity Datasheets are in the joint ownership of UKWIR and WRc plc.

Whilst we make reasonable efforts to ensure that the information contained in the Toxicity Datasheets is accurate, neither UKWIR nor WRc plc (for the purposes of this disclaimer “we”) can assume any responsibility for the content of the datasheets or for the opinions or statement of fact expressed therein. We make no representation, warranty or guarantee of any kind about, and to the extent permitted by law, exclude all conditions, warranties, representations or other terms which may apply to, these Toxicity Datasheets, whether expressed or implied. You should obtain independent verification and advice before taking or refraining from any action on the basis of the content of the Toxicity Datasheets.

We will not be liable for loss of profits, sales or revenue; business interruption; loss of anticipated savings; loss of business opportunity, goodwill or reputation; or any indirect loss or consequential loss or damage of any kind PROVIDED THAT nothing shall operate to exclude or limit our liability for fraud or for personal injury or death resulting from our negligence.

You must not use the Toxicity Datasheets or any part of them for commercial purposes, or disseminate them in any way without prior written consent from UKWIR.  Copies of Toxicity Datasheets may not be given to any companies, organisations or individuals, other than by UKWIR members, without specific written consent from UKWIR.

By logging into and viewing the datasheets, you are agreeing to both this disclaimer and the terms and conditions of the site.

Please click here to view the Terms and Conditions of the Toxicity Datasheets.

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