Rhode Island Department of Environmental Management (DEM) Approval

As of November 25th, the Rhode Island Department of Environmental Management (DEM) approved the MWS Linear stormwater treatment system as an authorized Best Management Practice (BMP). The department has reviewed the system’s performance and determined that it achieves the following minimum removal efficiencies:

  • 85% removal of total suspended solids (TSS)
  • 60% removal of pathogens
  • 30% removal of total phosphorus (TP) for discharges to freshwater systems
  • 30% removal of total nitrogen (TN) for discharges to saltwater or tidal systems

About Rhode Island’s Department of Environmental Management

“We are committed to preserving the quality of Rhode Island’s environment, maintaining the health and safety of its residents, and protecting the natural systems upon which life depends. Together with many partners, we offer assistance to individuals, business and municipalities, conduct research, find solutions, and enforce laws created to protect the environment.” http://www.dem.ri.gov/about/index.htm

Rhode Island DEM Approval Certificate

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