Bioswale stormwater mediation before returning to the river.
Editor’s note: Part II of a two-part series.
Besides having a hand in securing Cottage Grove’s first “All America City” designation in 1968, the wastewater treatment plant (WWTP) has been steadily evolving as the town’s population has grown. The facility was expanded and modified in 1984 through an EPA Construction Grant and upgraded in 2006.
Its design utilizes the oxidation ditch type activated sludge treatment. So what…
