The Harbor Brook CSO 018 Constructed Wetlands Pilot Treatment System will serve the dual purposes of treating overflows from CSO018, currently discharged into Harbor Brook, while also acting as a demonstration project to test the effectiveness of three types of constructed wetland treatment systems.
In 2011, the compensatory storage areas on the site were excavated; 5,800 cubic yards of suitable material was stockpiled on site for future use; all unsuitable and excess material was removed; and temporary seed and mulch were installed. Permanent seed and mulch were installed in Spring 2012. Construction of the treatment wetlands pilot project began in the 2012 construction season.
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