Environmental

New Hampshire's Alteration of Terrain (AoT) permit is required for:

AAny property sale in NH
BEarth disturbance projects disturbing more than 100,000 square feet or 50,000 square feet near streams✓ Correct
CAny construction project in a floodplain
DProperties within 400 feet of a public water body only

Explanation

NHDES requires an Alteration of Terrain (AoT) permit for projects disturbing more than 100,000 sq ft (or lower thresholds near streams/wetlands) to control stormwater runoff and erosion.

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