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DDOT shall follow relevant stormwater management guidelines in order to prevent and reduce the impact of urban development on rivers, streams, lakes, coastal waters, and ground water. 

DDOT is one of several District agencies responsible for managing stormwater runoff in the city. (D.C. Code Sec. 8-152.01).

FAQ: What is Low Impact Development (LID)?
Stormwater management practices that mimic site hydrology under natural conditions, by using design techniques in construction and development that store, infiltrate, evaporate, detain, or reuse and recycle runoff. (D.C. Code Sec. 8-151.01(8)). 

Procedures & Services

DDOT Environmental Manual, Chapter 17 & 19

Department Energy Savings Initiatives - Low Impact Development (LID) and Water Quality in Construction

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