Washington DC bioretention systems are quietly changing what happens when heavy rain hits city streets. Two systems on Hamlin Street NE can retain about 2,627 cubic feet of stormwater per storm. That equals nearly 20,000 gallons of water kept from rushing toward local waterways. The project shows how small urban spaces can handle runoff more effectively. It also offers a practical model for greener stormwater management.

Hamlin Street bioretention systems are quietly changing how Washington, DC, handles stormwater. Two green infrastructure systems can retain nearly 20,000 gallons during a storm.…

Washington DC bioretention systems are quietly changing what happens when heavy rain hits city streets. Two systems on Hamlin Street NE can retain about 2,627 cubic feet of…