HDES Proposes New
PFAS Drinking Water Standards

Initiates Rulemakingfor PFOA, PFOS, PFHxS and PFNA

Concord,
NH – On December 31, 2018, the New Hampshire Department of EnvironmentalServices (NHDES) initiated rulemaking to establish Maximum Contaminate Levels
(MCLs) and Ambient Groundwater Quality Standards (AGQS) for four per- andpolyfluoroalkyl substances (PFAS) - perfluorooctanoic acid (PFOA),
perfluorooctanesulfonic acid (PFOS), perfluorononanoic acid (PFNA) andperfluorohexanesulfonic acid (PFHxS) to ensure greater protection of public
health related to the consumption of drinking water. Specifically, NHDES fileda request for a fiscal impact statement for the new MCLs with the New Hampshire
Legislative Budget Assistant, meeting the January 1 deadline established in NewHampshire Chapter Laws 345 and 368 of 2018 (i.e. SB 309).