News & Events

Through Roux’s News & Events, we share relevant industry news, regulatory updates, upcoming webinars and conferences, articles published by our experts, corporate social responsibility events, monthly newsletters, project and market sector information, and much more. Browse through our latest posts below.

Exciting Update: Roux Acquisition of KPRG

June 11, 2026
In support of the long-term sustainability and growth of Roux’s Midwest operations, we’re excited to announce the acquisition of KPRG and Associates, Inc. (KPRG), a 12-person environmental consulting firm with offices in Illinois and Wisconsin. Roux opened our current Illinois...
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Breaking News: USEPA Intends to Rescind Drinking Water Regulations for Select PFAS

May 14, 2025
On May 14, 2025, the United States Environmental Protection Agency (USEPA) announced its intention to change the current National Primary Drinking Water Regulations (NPDWR) for Per- and Polyfluoroalkyl Substances (PFAS). PFAS are a group of synthetic organofluorine compounds with an...
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EPA Finalizes Federal Drinking Water Standards and California Establishes Public Health Goals

April 17, 2024
Federal PFAS MCLs On April 10, 2024, the United States Environmental Protection Agency (EPA) finalized a National Primary Drinking Water Regulation (NPDWR) establishing legally enforceable Maximum Contaminant Levels (MCLs) as well as non-enforceable Maximum Contaminant Level Goals (MCLGs) for six...
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EPA Hazardous Substances: Expanding Beyond PFOA and PFOS?

April 18, 2023
EPA Seeks Public Input on Potential Listing of Additional PFAS Chemicals as Hazardous Substances under CERCLA Back in September of 2022, the United States Environmental Protection Agency (EPA) announced their proposed rule to designate two per- and polyfluoroalkyl substances (PFAS)—perfluorooctanoic...
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How low did they go? USEPA Issues Proposed MCL for PFAS in Drinking Water

March 15, 2023
Yesterday, on March 14, 2023, the United States Environmental Protection Agency (EPA) announced a proposed National Primary Drinking Water Regulation (NPDWR) including Maximum Contaminant Levels (MCLs) for six per- and polyfluoroalkyl substances (PFAS) chemicals in drinking water. This includes perfluorooctanoic...
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How low can they go? USEPA Revisions to Health Advisories and Regional Screening Levels

June 16, 2022
There has been a flurry of recent USEPA activity advancing towards federal regulation of per and polyfluoroalkyl substances (PFAS): Yesterday, on June 15, 2022, the USEPA issued “interim updated” Lifetime Health Advisories (HAs) for perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid...
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