USEPA Opens Proposed Perchlorate Regulation for Public Comment

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

Public Comments Accepted on New Fluoride Plan

The U.S. Environmental Protection Agency (USEPA) released its “Review of Science on Fluoride in Drinking Water: Preliminary Assessment Plan and Literature Survey.” This fast-track effort marks a critical step in Administrator Lee Zeldin’s April 2025 directive to expedite USEPA’s next fluoride health assessment under the Safe Drinking Water Act (SDWA) schedule. The Preliminary Assessment Plan and Literature Read More

Updated Definition of Waters of the United States Open for Public Comment   

An updated “common-sense” definition for what the phrase “waters of the United States” means under the Clean Water Act (CWA) has been proposed by the U.S. Environmental Protection Agency (USEPA). The proposal follows the Supreme Court decision in Sackett v. Environmental Protection Agency in favor of Idaho landowners who sued USEPA over its CWA interpretation that classified the Sacketts’ property as a wetland.  The key proposed revisions to the WOTUS Read More

Proposed Changes Aim to Reduce PFAS Reporting Burden 

The U.S. Environmental Protection Agency (USEPA) has announced a proposal to improve its perfluoroalkyl and polyfluoroalkyl substances (PFAS) reporting regulations under the Toxic Substances Control Act (TSCA). The goal of the proposed changes is to make the reporting requirements more practical and implementable.  The update aims to improve a Biden Administration era PFAS reporting and recordkeeping regulation under TSCA section 8(a)(7) that required manufacturers and importers of PFAS to Read More

Water Organization Submits Comments on PFAS Drinking Water Standard

One of the largest water organizations in the world submitted input to the National Drinking Water Advisory Council (NDWAC) about upcoming revisions to the per- and polyfluoroalkyl substances (PFAS) drinking water standard. The American Water Works Association (AWWA) underlined the need for a PFAS rule that protects public health, follows scientific process, and can be Read More

Revisions on Tap for Waters of the United States Rule

The new administrator for the U.S. Environmental Protection Agency (USEPA), Lee Zeldin, announced the Federal agency will deliver on President Donald Trump’s promise to review several rules. One of the first on the to-do list is revising the definition of the Waters of the United States (WOTUS) Rule. The Trump Administration cites the U.S. Supreme Read More