Rocky in-stream techniques (e.g., riffles, spurs) involve constructing rocks strategically in streams to help dissipate water energy and reduce flooding. Work with relevant agencies and landowners to determine feasibility.
Low/Moderate (implementation) – low material costs, high technical expertise
Low/Moderate – may require adjustment of rock configurations
Moderate/High – can limit the flow of water and reduce flooding
High – rock configurations can be adjusted as needed
DEC permitting; design knowledge
Ensure that techniques do not exacerbate flood risk to equity areas/downstream communities, and/or mitigate associated downstream impacts.
