DDW Workshop on CrVI Treatment Costs

On December 8th and 9th the Division of Drinking Water (DDW) will webcast a workshop on the treatment costs for hexavalent chromium (CrVI) at various potential MCLs (see Regulatory Update below).   The December 8th workshop will begin at 9:30 am, and the December 9th workshop will begin at 1:30 pm.

This information was distributed by a workgroup of the Association of California Water Agencies (ACWA).  The enclosed notice (DDW Public Workshops Dec 2020_Notice) has been posted on the State Water Resources Control Board’s meeting calendar:


Text copied from the enclosed notice:

“The workshop will begin with a staff presentation summarizing the development of estimated costs for each respective MCL, followed by an opportunity for public comment. During the comment period, members of the public will be allowed three minutes to provide oral comments, unless additional time is approved.”

The webcast of the workshop can be viewed at the following location:


To make oral comments during the webcast, select the link below:


Once you are at that location, select the link at the top of the page.

Written comments on DDW’s treatment cost information for potential CrVI MCLs are due by December 31, 2020.

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About Dan Askenaizer

Dr. Askenaizer leads WQTS’ work on regulatory compliance support for many of our water agencies clients. Dr. Askenaizer tracks water quality and treatment regulations at the Federal and State levels and provides regulatory updates to our clients. Dr. Askenaizer has strong expertise in the development of Regulatory Monitoring and Compliance Plans (RMCPs), which he has completed for a number of water agencies. He has also been working on a number of projects dealing with the development of distribution system monitoring plans and review of nitrification control strategies. Prior to joining WQTS, Dr. Askenaizer was the Water Quality Manager for the Glendale Water and Power. Under his leadership, the Water Quality Group conducted a demonstration-scale study of chlorite for nitrification control and a pilot-scale study of biological treatment for removal of nitrate. Dan has 30 years of experience working on projects dealing with regulatory, water quality and public health issues. Dan has given numerous presentations at workshops and round-tables across the country for water utilities. Dan was instrumental in developing and implementing a Mentoring Program for water staff and was involved in a Sustainable Development team.