NYSDEC Proposes New Water Quality Guidance Values for Emerging Contaminants

On October 6, 2021, New York State Department of Environmental Conservation (NYSDEC) proposed Released new water quality guidance values (GVs) for emerging contaminants Perfluorooctanoic acid (PFOA), Perfluorooctane sulfonic acid (PFOS), and 1,4-Dioxane (1,4-D).

The new guidance values are established in a draft addendum to Technical and Operational Guidance Series (TOGS) 1.1.1: Ambient Water Quality Standards and Guidance Values and Groundwater Effluent Limitations.1 The draft addendum (PDF) is supplemented by the release of a  draft TOGS 1.3.13: Permitting Strategy for Implementing Guidance Values for PFOA, PFOS, and 1,4-Dioxane (PDF).

The public comment period for the proposed guidance values is December 6th.

Scroll to Top