The U.S. Environmental Protection Agency (USEPA) is proposing a National Primary Drinking Water Regulation (NPDWR) and a health‑based Maximum Contaminant Level Goal (MCLG) for perchlorate. This regulatory action comes in response to the D.C. Circuit Court ruling in NRDC v. Regan, which found if USEPA issues a determination to regulate a contaminant, it must proceed Read More
Tag: Perchlorate
USEPA Declines to Regulate Perchlorate in Drinking Water
The U.S. Environmental Protection Agency (USEPA) has issued a final action regarding the regulation of perchlorate under the Safe Drinking Water Act (SDWA). The USEPA has determined that perchlorate does not meet the criteria for regulation as a drinking water contaminant under the SDWA. Therefore, the 2011 regulatory determination is being withdrawn, and USEPA announced Read More
USEPA Seeks Comments for Regulating Perchlorate in Drinking Water
The U.S. Environmental Protection Agency (USEPA) is seeking public input on a range of options regarding the regulation of perchlorate in public drinking water systems, specifically a proposed National Primary Drinking Water Regulation (NPDWR) for perchlorate to establish a Maximum Contaminant Level (MCL) and a health-based Maximum Contaminant Level Goal (MCLG) at 56 micrograms per Read More