The governing board of the Santa Clarita Valley Water Agency is meeting in closed session Friday to discuss a 36-page complaint against manufacturing giant 3M and more than a dozen other businesses in October 2020, accusing them of poisoning the state’s water supply with their products.  The lawsuit claims that from the 1960s through the present, the company has manufactured and distributed “fluorosurfactant products” — known to the average consumer as chemicals that create Teflon coating, “Scotchgard,” stainproofing compounds, waxy surfaces and aqueous film-forming foam (“AFFF”), a firefighting agent used to control and extinguish Class B fuel fires.

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