SWPPP
Storm Water Pollution Prevention Plan
Metro Flood Diversion Authority
Storm Water Pollution Prevention Plan
A passage for surplus water from a dam or Diversion
Southern Embankment and Associated Infrastructure
A defined area immediately upstream of the dam. When the Project is operated, water would be temporarily detained in the staging area to minimize impacts downstream. The staging area encompasses…
excavated materials consisting of topsoil or subsoils that have been removed and temporarily stored during the construction activity. (http://www.michigan.gov/documents/deq/deq- wb-nps-sp_250905_7.pdf)
An area having special flood, mudflow or flood-related erosion hazards and shown on a Flood Hazard Boundary Map (FHBM) or a Flood Insurance Rate Map (FIRM) Zone A, AO, A1-A30,…
An effect that is predicted to be above an identified threshold and/or an effect that was determined by the lead agencies to have a magnitude that is great based on…