Technical Blog

Welcome to John’s Blog. Answers to frequently asked questions are periodically posted here. The objective is to share information about PVC pipe with readers as well as with utilities, design engineers and pipe installers. The blog provides the latest information on PVC pipe design, installation, and application for water and wastewater infrastructure projects.

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John Houle: Senior Technical Consultant, PVC Pipe Industry

John Houle holds a Master’s Degree in Civil Engineering from the University of Missouri and an MBA from the University of Oregon. He has more than 25 years of experience in the plastic pipe industry in applications engineering, market development, forensic analysis, technical writing, and standards development.

Setting the Record Straight: Debunking DIPRA’s False Claims Against PVC Pipe

Posted By John Houle on Oct 7, 2025

Debunking DIPRA'S False Claims Against PVC PipeIt is much easier to make a deceptive statement than it is to counteract a falsehood. When it comes to misinformation, the ductile iron pipe industry has proven to be very consistent in its false descriptions of PVC pipe.

The Ductile Iron Pipe Research Association (DIPRA) continues to publish questionable statements about PVC pipe on their website and through sponsored articles and webinars. Some of these claims are rebutted in this Tech Brief.

Click here to access the tech brief Debunking DIPRA'S False Claims Against PVC Pipe.