New Hampshire Department of Environmental Services Alteration of Terrain Forms
Alteration of Terrain Bureau
New Hampshire Alteration of Terrain permits are issued by the NHDES Alteration of Terrain (AoT) Bureau. This permit protects New Hampshire surface waters, drinking water supplies and groundwater by controlling soil erosion and managing stormwater runoff from developed areas. An AoT permit is required whenever a project proposes to disturb more than 100,000 square feet of contiguous terrain (50,000 square feet, if any portion of the project is within the protected shoreland), or disturbs an area having a grade of 25 percent or greater within 50 feet of any surface water. In addition to these larger disturbances, the AoT Permit by Rule applies to smaller sites.
This permitting program applies to earth moving operations, such as industrial, commercial, and residential developments as well as sand pits, gravel pits, and rock quarries. Permits are issued by NHDES after a technical review of the application, which includes the project plans and supporting documents.
Contact Information
Address:
NHDES Land Resources Management
Alteration of Terrain Bureau
29 Hazen Drive; PO Box 95
Concord, NH 03302-0095
Additional Links
Forms
AoT - Best Management Practices Worksheet
When submitting an alteration of terrain application to the NHDES, include one BMP worksheet for each system proposed and one groundwater recharge volume calculation worksheet per application.
Completion of Construction Form
Alteration of Terrain permit holders are required to submit written notification to NHDES upon the completion of a project.
Start of Construction Form
Alteration of Terrain permit holders are required to submit written notification to DES at least one week prior to the construction of a project.
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