A Stormwater Management Plan Typically Required When Constructing a Roadway

A Stormwater Management Plan typically required when constructing a roadway in which of the following conditions?

A) Proposed drainage structures will result in a net zero flow rate
B) The construction will occur during expected wet weather periods
C) The proposed roadway may cause a significant increase in flow or volume of water to existing drainage facilities or waterways
D) None of the above