Treatment Systems

RES offers an array of stormwater treatment products to meet your specific project needs. Our treatment systems are based on proven technology that is accepted throughout the country. These products consist of sandfilters, oil/water separators and water quality inlets.

Perimeter Sandfilters Precast concrete Perimeter sandfilters, also known as Delaware sandfilters, are watertight structures that are used in situations where the difference in elevation between finished grade and invert out is 8’-5” or less. read more

Underground Sandfilters Precast concrete underground sandfilters, also known as DC sandfilters, are watertight structures that are used in situations where the difference in elevation between finished grade and invert out is 8’-5” or greater. read more

Water Quality Inlets RES provides precast concrete water quality inlets that can be used individually or at the beginning of a treatment train to extend the life of a sandfilter thus reducing associated maintenance costs. This product comes in three sizes, single, double and triple throat.read more

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