What to do about orthophosphate after removing lead service lines

Now that lead services lines are becoming a thing of the past, what about ortho?
June 10, 2025

Join this dicussion to learn what water utilities need to know about orthophostphate once there are no more lead service lines to address. Chris Corwin, drinking water national practice lead at Brown and Caldwell talks about what to be prepared for, how getting ortho out of the system can affect neighboring utilites, and what is needed before simply shutting off the feed. 

About the Author

Mandy Crispin

Mandy Crispin is the editor-in-chief of WaterWorld magazine and co-host of water industry podcast Talking Under Water. She can be reached at [email protected].  

Bob Crossen

Editorial Director

Bob Crossen is the editorial director for WaterWorld Magazine, Wastewater Digest, Stormwater Solutions, and Water Quality Products, which compose the Endeavor Business Media Water Group. Crossen graduated from Illinois State University in Dec. 2011 with a Bachelor of Arts in German and a Bachelor of Arts in Journalism. He has worked in business-to-business journalism covering the drinking water, wastewater, stormwater and point-of-use/point-of-entry markets since April or 2016. Crossen can be reached at [email protected] or 847.954.7980.

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