The Subsurface Systems Bureau is responsible for the review and issuance or denial of permits that govern approximately 80-85% of all development that occurs within the state of New Hampshire. In particular, the bureau is responsible for the following activities:

• Reviews applications for the subdivision of land and the design of individual septic systems.
• Performs on-site inspections of all septic systems installed in order to ensure strict compliance with the approved plans.
• Implements and administers the program for licensing both designers and installers of septic systems. No individual may submit an application nor install a septic system without first obtaining a license from this bureau.
• Investigates written complaints received by the Department of Environmental Services relative to situations which are or may be causing degradation of the state's waters.
• Coordinates other necessary permits involved in a particular project or development.

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July 15, 2003 - Fee Increase: Septic System and Subdivision Applications On-Site Wastewater Disposal System Installation Manual