Environmental

New Hampshire's Excavating and Dredging Permit (NHDES) is required for work in:

AAny excavation greater than 100 cubic yards
BExcavation and dredging in or adjacent to public waters and wetlands under RSA 482-A✓ Correct
CAll basement excavation projects
DOnly commercial construction projects

Explanation

RSA 482-A requires NHDES permits for excavation, dredging, filling, or construction in or adjacent to NH's jurisdictional wetlands and public waters — protecting these critical environmental resources.

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