DDW Releases Second Quarter PFAS Results

In March 2019, the State Water Resources Control Board Division of Drinking Water (DDW) sent out Orders to public water systems identifying specific “vulnerable” wells for PFAS monitoring (over 600 wells were identified).  The vulnerable wells were to be monitored for PFAS for four quarters.  Last October DDW posted the results from the first quarter (April 1st to June 30th).   DDW has just released the results from the second quarter (July 1st to September 30th) of PFAS monitoring.

To find this information, go to the location below:


Then select the “Drinking Water” link from the menu in the middle of the page, and then open up “New! Public Water System Testing Results.”  DDW posted instructions along with several interactive maps and charts presenting the PFAS results.

DDW also posted the enclosed excel file (CA_pfas_monitoring_1st and 2nd qtr results ).  The first and second quarter results are presented in two separate worksheets.

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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.