Posted - 21 January 2019

Florida DEP Accepts Downstream Defender for Water Quality

The Florida Department of Environmental Protection has accepted the Downstream Defender®hydrodynamic separator to remove nutrients and sediment from stormwater runoff.

Field testing for Downstream Defender® has shown 22% removal of nutrient-carrying sediments compared to the standard allowance of 10% for a generic hydrodynamic separator.

Engineers who specify stormwater treatment systems can enter the below data into BMPTrains to use Downstream Defender® on their next stormwater treatment project. 

Total Phosphorus

  • 22%
  • 1.67 lbs/acre feet

Total Nitrogen

  • 22%
  • 2.73 lbs/acre feet

Related News

  • First Defense OGS Verified by ISO 14034 Standard

    First Defense® is the first stormwater separator to be verified through new ISO 14034 standard in Canada. The First Defense® oil…

  • Hydro-Brake Optimum design tool launched for US engineers

    Our new online tool makes it easy for engineers to design and specify customized flow control valves for US LID and flood protection…

  • Second Annual Trash Cleanup to be used in Study

    Our Portland, Maine team spent a day cleaning up the Long Creek Watershed, and will study the trash collected to improve the way we…

  • Up-Flo® Filter Certified by NJDEP under New Testing Protocol

    The Up-Flo® Filter has been recertified for 80% TSS removal by the NJDEP. The Up-Flo® Filter stormwater treatment system was recertified…

  • Up-Flo Filter NJCAT Verified

    The Up-Flo® Filter has been verified by NJCAT under a new stormwater treatment testing protocol. The Up-Flo® Filter stormwater treatment…

  • Tests demonstrate >75% stormwater pollution capture at busy commercial port

    Real-world testing in Pasaia, Spain demonstrated that Downstream Defender® and Up-Flo® Filter captured between 78% and 90% of pollution in…

  • Community cleanup will use trash for environmental research

    Hydro International volunteers clean up an impaired watershed, and will conduct environmental analysis on trash collected. Hydro…


Join our mailing list

We'll keep you updated about things like news articles, upcoming webinars and product developments.