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Clean Water Act

12 January 2021

U.S. Army Corps of Engineers Finalizes 16 Nationwide Permits

On January 5, 2021, the U.S. Army Corps of Engineers (Corps) released a prepublication version of its final rule reissuing and modifying 12 existing Nationwide Permits (NWPs) and issuing four new NWPs. NWPs authorize activities under Section 404 of the Clean Water Act (CWA) and Section 10 of the Rivers and Harbors Act of 1899 when those activities will result in “minimal individual and cumulative adverse environmental effects.” In addition to finalizing 16 NWPs, the rule also changed general conditions and definitions associated with those NWPs. Through this action, the Corps did not reissue or modify the remaining 40 existing NWPs, which will remain in effect until March 18, 2022.

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03 December 2020

Environmental Protection Agency Issues Interim Strategy Memorandum to Address PFAS in Federally Issued Water Permits

The U.S. Environmental Protection Agency (EPA) Office of Water has published a new interim strategy memorandum for addressing per- and polyfluoroalkyl substances (PFAS) in National Pollutant Discharge Elimination System (NPDES) permits issued by EPA. The memorandum includes recommendations generated by a cross-agency workgroup, which conducted a review of existing Clean Water Act (CWA) section 402 NPDES permitting authorities to determine where and how currently unregulated contaminants like PFAS may fit into the permitting process. Under the CWA, the NPDES permit program regulates point sources that discharge pollutants into waters of the United States. Currently, there are no CWA water quality criteria or effluent guidelines for PFAS, an umbrella category of thousands of synthetic chemicals historically used in industrial manufacturing processes for their flame-resistant and nonstick properties.

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