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  2. National Pollutant Discharge Elimination System (NPDES)
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National Pretreatment Program Events

Pretreatment Events, Training and Webinars, and Publications Topics
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  • Training and Webinars
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<< National Pretreatment Program Main Page

Upcoming Events in 2025

2025 National Pretreatment Workshop and Training

May 13-16, 2025
National Association of Clean Water Agencies
San Diego, California
Register

Region 1

October 21-23, 2025
2025 Annual Workshop
New England Regional Pretreatment Coordinators Association
Sheraton Nashua
Nashua, New Hampshire
Register

Region 3

March 3-4, 2025
2025 Industrial Waste and Pretreatment Conference
Virginia Water Environment Association 
Harrisonburg, Virginia
Register

April 3-4, 2025
2025 Industrial Pretreatment Conference
Eastern Pennsylvania Water Pollution Control Operators Association
Hilton Garden Inn Valley Forge Oaks
500 Cresson Boulevard
Phoenixville, Pennsylvania
Register

Region6

August 4-8, 2025
40th Annual Region VI Pretreatment Workshop
Hot Springs Convention Center
Hot Springs, Arkansas
Register

Region 9

February 3-5, 2025
52nd Annual Pretreatment, Pollution Prevention, and Stormwater (P3S) Conference
California Water Environment Association
San Jose, California
Conference Brochure (pdf) (4.50 MB)

National Pollutant Discharge Elimination System (NPDES)

  • About NPDES
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Contact Us About NPDES
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 21, 2025
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