Green Infrastructure Plan

The 1.8-mile-long Gowanus Canal was constructed in the 1860s on the site of a former salt marsh and creek. It has a long history of environmental issues, including industrial pollution and combined sewer overflow (CSO). The overloaded sewer system currently discharges about 363 million gallons of raw sewage and polluted run-off, or combined sewer overflow (CSO), into the Gowanus Canal each year, spread over about 40 rainfall events.

The NYC Department of Environmental Protection (DEP) is designing and constructing grey and green infrastructure across the Watershed to reduce CSO and decrease the amount of raw sewage flowing into the Canal. DEP installations currently underway include a growing number of curbside rain gardens, or bioswales; a high level storm sewer system; and two large underground sewage detention tanks, as part of the Superfund remedy. Visit the DEP’s Green Infrastructure page to learn more.

Learn more:
NYC Department of Environmental Protection Green Infrastructure

Gowanus Infrastructure Updates

CityLimits: CityViews: Council Can Foster Clean Water, Healthy Residents Vote on Gowanus Tank April 9, 2018



NYC Soil & Water Conservation District
S.W.I.M. Coalition