Welcome to VortSizer. This sizing calculator is designed to assist engineers and specifiers with the sizing and specification of the Vortechs and VortSentry stormwater treatment systems.

If you are registered with the CONTECH Stormwater Solutions website, you are automatically registered with VortSizer. Your username and password are the same for each site. If this is your first time, please register to set up an account. This will allow access to both VortSizer and the CONTECH Stormwater Solutions website.

Should you have any questions, please feel free to contact CONTECH Stormwater Solutions at 877-907-8676 or via email at contactus@contech-cpi.com.