Shoreland Jurisdiction - Streams and Rivers

This GIS feature layer, maintained by the New Hampshire Department of Environmental Services (NHDES), maps 4th order streams and rivers across the state using the Strahler stream order system. It supports environmental planning, water quality monitoring, and regulatory programs. Key attributes include stream names, length, flow direction, stream order, and unique identifiers such as ComID and ReachCode. The dataset is derived from authoritative hydrographic sources and is regularly updated for accuracy and relevance.