Waters of the United States Reconsidered
Posted: March 19th, 2025
The United States Environmental Protection Agency (U.S. EPA), in a press release on March 12, 2025, announced the decision to review the definition of “waters of the United States” (WOTUS) with the U.S. Army Corps of Engineers (USACE). The U.S. […]
Read articleSupreme Court Limits Clean Water Act
Posted: March 12th, 2025
The Clean Water Act (CWA) gives the U.S. Environmental Protection Agency (U.S. EPA) the authority to impose requirements on facilities that wish to discharge “pollutants” into the waters of the United States. These requirements are in the form of National […]
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ICYMI: Navigating NPDES Wastewater Permitting: Best Practices, Watch Outs and Lookaheads
Posted: February 19th, 2025
If you missed our webinar on Navigating National Pollutant Discharge Elimination System (NPDES) Permitting last week or need a written summary to refer back to, read along for a summary of best practices, watchouts, and lookaheads to consider in your […]
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Calling All Desert Storm-Chasers! The New Arizona Multi-Sector General Permit Has Arrived!
Posted: February 12th, 2025
The Arizona Department of Environmental Quality (ADEQ) Water Quality Division (WQD) has issued the Arizona Pollutant Discharge Elimination System (AZPDES) 2024 Industrial Multi-Sector General Permit (MSGP) for Stormwater Discharges Associated with Non-Mining and Mining Industries. Following collaboration with stakeholders during […]
Read articleU.S. EPA Extends Comment Period for MSGP
Posted: February 6th, 2025
On December 13, 2024, the U.S Environmental Protection Agency (U.S. EPA) published the proposed 2026 Multisector General Permit (MSGP) in the Federal Register for public comment. The MSGP is a general permit that covers stormwater discharges ─ see ALL4’s previous […]
Read articleU.S. EPA’s Preliminary Effluent Guidelines Program Plan 16
Posted: February 6th, 2025
On December 18, 2024, the U.S. Environmental Protection Agency (U.S. EPA) published in the Federal Register the Preliminary Effluent Guidelines Program Plan 16 (Preliminary Plan 16). The comment period ended January 17, 2025. Preliminary Plan 16 addresses U.S. EPA’s latest […]
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Clean Water Act Facility Response Planning for Hazardous Substances
Posted: January 29th, 2025
As we start 2025 it is important to note that we are moving closer to the compliance deadline of the U.S. Environmental Protection Agency’s (U.S. EPA) Clean Water Act (CWA) Hazardous Substances Facility Response Plans (FRP) regulation under 40 CFR […]
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Water Quality Compliance in the Trump Era
Posted: January 29th, 2025
With anticipated budget cuts to the U.S. Environmental Protection Agency (U.S. EPA) under the incoming Trump administration, environmental groups are emphasizing the importance of state action to regulate industrial discharges under the Clean Water Act (CWA). As federal priorities are […]
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Connecticut’s IGP: Public Comment & Summary of Changes for 2nd Draft Permit
Posted: January 22nd, 2025
The Connecticut Department of Energy and Environmental Protection (DEEP) Water Permitting and Enforcement Division (WPED) is in the process of reissuing their National Pollutant Discharge Elimination System (NPDES) industrial stormwater general permit (IGP), a general permit that follows the multi-sector […]
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2025 Lookahead: Resiliency Planning in Stormwater
Posted: January 21st, 2025
Executive Summary U.S. EPA defines “resilience” as “the ability to prepare for, withstand, and successfully recover from a disaster.” In 2021, U.S. EPA renewed its National Pollutant Discharge Elimination System (NPDES) Multi-Sector General Permit (MSGP) for Stormwater Discharges Associated with […]
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