Copper laden stormwater runoff had contaminated a large area of the floodplain and was eroding materials into the Yantic River.
In addition to constructing an access road, the project included segregation and separation of hazardous materials which were transported and disposed of offsite.
Six acres of the flood plain were then cleared and multiple retention ponds were constructed to slow and hold peak stormwater flows.
Standard riprap was grouted to manage high flows and a high level spillway constructed on a series of ponds to slow runoff from the site.
Due to the environmental sensitivity of the project, ground stumps generated from the site were used to stabilize all slopes and the surrounding perimeter.