East Shore District Health Department
East Shore District Health Department
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Building/PROPERTY Additions
If your property is served by a septic system, prior to construction of any new additions on your property, including building additions, installation of pools, decks, patios, garages, etc., a B100a Review must be completed. In addition to proposals for additions, B100a applications are also used for building conversions (i.e. winterizing a seasonal home, converting an open porch into an all-season room) and property lot line splits.
Steps for B100a Approval:
- Submit B100a application with:
- Plot plan showing existing buildings/structures on the property
- Location of proposed addition/structure
- Location of existing septic system
- Location of well if applicable
- Area for future septic repair
- Note that soil tests are required to determine a future septic repair area. If soil tests are not available for your property, soil testing will be required as part of the B100a approval.
- A Sanitarian will review the application.
- Approval notices will be sent to the building department.
If your property is connected to public sewers and served by a private well – the following application must be submitted for building additions/accessory structures Non-B100a Review
Separation Distances for Septic Systems:
- Deck/Patio to Septic: 5’
- In-ground pool to Septic: 25’
- Above-ground pool to Septic: 10’
- Building (including garage) with no drains to Septic: 10’
- Building (including garage) with foundation drains to Septic: 25’
Click the following link for a detailed list of separation distances: Septic Separation Distances.pdf
Properties on Septic – Guide for when Health Department Approval is needed: