New Hanover County Stormwater Design Manual 2025. Due to challenges with existing stormwater systems, the increased growth of new hanover county, and the impacts from hurricanes and large rain events, new hanover county board of. Stormwater design manual means the current stormwater.

This guide provides design criteria and recommendations for several green infrastructure tactics and stormwater management strategies. New hanover county is putting the finishing touches on some major developments.