Learn the Issues
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Peak Flows at Sewage Treatment Plants
In April 2018, EPA announced a new rulemaking to look at issues associated with the management and treatment of peak flows during wet weather events at publicly owned treatment works (POTWs) with separate sanitary sewer systems.
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Water Quality Trading on a Watershed Scale
This paper describes three factors that water quality trading program managers may want to consider when evaluating the appropriate scale for a trading area
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NPDES Regulations
NPDES regulatory documents, fact sheets, and federal registry.
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Project Waiver of American Iron and Steel Requirements to the Passaic Valley Sewerage Commission in New Jersey for 10-Inch Ball Valves
Project waiver of AIS requirements for New Jersey.
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Project Waiver of AIS Requirements for Seamless Stainless Steel Pipe for Accokeek, Maryland (CWSRF)
AIS waiver request approval.
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Request for AIS Waiver for Butterfly Valves for Buckeye, Arizona (DWSRF)
AIS waiver request.
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Project Waiver of American Iron and Steel Requirements to the Cape May County Municipal Utilities Authority for a 24-Inch Insertion Valve
AIS approved project waiver request.
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Request for AIS Waiver for Double Check Valves for Roxborough, Colorado (DWSRF)
AIS waiver request.
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Project Waiver of AIS Requirements for Butterfly Valves for Buckeye, Arizona (DWSRF)
AIS waiver request approval.
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Request for AIS Waiver for Stainless Steel Check Valves for the City of North Liberty, Iowa (DWSRF)
These waiver requests have been received by EPA and are open for a 15-day public comment period. Once the public comment period has closed the waiver will be reviewed by EPA.