Downstream Defender Design Manual - New Jersey

Get Downstream Defender® design guidelines for use on New Jersey stormwater management projects.

The Downstream Defender® advanced hydrodynamic vortex separator has been certified by the New Jersey Department of Environmental Protection (NJDEP) for 50% TSS removal in online and offline applications. Use this manual to design Downstream Defender® systems for use on New Jersey stormwater management projects.  

An online sizing tool is also available to assist engineers in design and specification.

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