We provide advanced products to help people to improve their water management processes, increase operational performance and reduce environmental impact.
We provide data, expertise and support to help our customers understand complex water management issues, and to design, install, operate and maintain effective water management systems.
Use this tool, version 5.21 to size Downstream Defender® and First Defense® stormwater separators as well as the Up-Flo® Filter system.
VDOT approved stormwater treatment systems
Why aren't stormwater BMPs regularly maintained? Read our ebook to find out.
Regular stormwater treatment system maintenance is essential for optimal system performance. Get the brochure to learn more.
Downstream Defender® DWG drawings. Imperial units. For use with projects in the Americas.
Downstream Defender® PDF drawings. Imperial units. For use with projects in the Americas.
We are a global company who provide advanced products, services and expertise to help municipal, industrial and construction customers to improve the way they process, treat and manage water. Learn more