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Individual Sewage Disposal System Designer/Installer
License Description

Individual sewage disposal system installers and designers design, install, and repair septic systems, which are required for any structure to which a water supply is connected and that is not connected to a municipal sewage collection system. Septic systems must be designed and installed by individuals holding a valid permit, issued by the New Hampshire Department of Environmental Services, Subsurface Systems Bureau. Additionally, repair or replacement of an existing septic system must be conducted by a permit holder as well. The only exception to this requirement is that a homeowner may design and/or install a septic system for his/her primary domicile.

Legislation: NH RSA 485-A:35-36; Administrative Rules Chapter Env-Wq 1000

Permit Requirements:

  • Designers must pass a written examination and a field test for soil interpretation
  • Installers must pass a written examination

Examination: Required. Installers must pass a two-part written exam, held twice each year. Designers must pass a three-part written exam, plus a field exam, held twice each year.

Continuing Education: Three hours of DES-approved continuing education must be completed annually, for a total of six hours for renewal. Three of the six hours must be attained at educational seminars offered by Subsurface Systems Bureau staff, or pre-approved by the Bureau.

Fees:

  • Examination: $80
  • Biennial renewal: $80
    Licenses expire on December 31 of every other year

Reciprocity: Not permitted

revised Jan 2018

Licensing Agency
Subsurface Systems Bureau
New Hampshire Department of Environmental Services
29 Hazen Drive, PO Box 95
Concord, NH 0330
(603) 271 3501
Active Status Active
Continuing Education Continuing education required to maintain license
Criminal Record No criminal record prohibitions
Exam State exam required
License Type Stand-alone license
License Updated 06/01/2020
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