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Issue · Sunapee, NH

Wetlands Ordinance Amendments

Shift to NWI mapping and larger buffers affects private property usability, land value, and environmental protection.

Overview

The Planning Board is considering amendments that would replace soil-based wetland mapping with NWI data and introduce larger buffers up to 50 feet for significant wetlands. The change is intended to improve wetland identification but has raised concerns about reduced usable land and property impacts. Work remains in the refinement stage with a GIS analysis of affected parcels ordered.

Background

The Wetlands Ordinance Amendments issue originated in the Planning Board's ongoing review of zoning changes during its May 14, 2026 meeting, when staff outlined a proposal for prime wetlands identification paired with a 50-foot buffer.

At that meeting the board agreed to continue work on the wetlands proposal alongside other amendments, setting the stage for a dedicated public discussion the following month.

On June 18, 2026 the board examined replacing NRCS soil mapping with National Wetlands Inventory data and introduced a three-tier classification system consisting of Significant Wetlands (50-foot buffer), Important Wetlands over 5,000 square feet (25-foot buffer), and smaller jurisdictional wetlands (no buffer).

Board members noted that NWI layers were already visible in the town's GIS and directed staff to run an analysis counting affected properties while refining ordinance definitions.

Public comments at the June meeting highlighted concerns that the shift and expanded buffers would reduce usable land and affect property values, while also questioning map accuracy and the priority given to environmental features such as salamander habitat.

Residents requested that any adopted map be appended to the ordinance and suggested large printed versions be available at voting locations to improve accessibility.

The board's position, as recorded in the controversial-issues section, signaled movement toward more rigorous mapping and larger buffers while attempting to limit impact by exempting very small wetlands from buffers.

No final vote has occurred; the process remains at the refinement and impact-analysis stage.

How it unfolded
Staff outlined prime wetlands identification and 50-ft buffer proposal; board agreed to continue wetlands work and decide on housing input process at next meeting.
2026-05-14Planning Board
Board discussed replacing NRCS soil mapping with NWI data and three-tier buffer system (50 ft, 25 ft, none); agreed to refine definitions and run GIS analysis of affected properties.
2026-06-18Planning Board
Arguments in favor
NWI data provides better identification of wetlands than current NRCS soil mapping.
planning-board 2026-06-18
For
Three-tier system with buffers for larger wetlands balances protection while removing buffers for very small wetlands.
planning-board 2026-06-18
For
Current NWI data is already visible on the town's GIS, allowing immediate use for analysis.
planning-board 2026-06-18
For
Arguments against
Increasing buffers from 25 to 50 feet takes away usable land from property owners.
planning-board 2026-06-18
Against
Proposal prioritizes protection of organisms such as salamanders over landowner rights.
planning-board 2026-06-18
Against
Maps can be disproven by certified scientists and may not accurately reflect on-the-ground conditions.
planning-board 2026-06-18
Against
Key voices
“Expressed difficulty with the proposal to increase wetland buffers from 25 to 50 feet, arguing it takes away usable land and questioned the priority of protecting organisms like salamanders versus the rights of landowners.”
Residentplanning-board 2026-06-18
“Requested that if a new map passes, it should be included in the ordinance as an appendix to help residents visualize the zoning changes.”
Residentplanning-board 2026-06-18
“Shared a personal anecdote regarding driveway work and wetlands to emphasize the importance of accurate wetland mapping, noting maps can be disproven by certified scientists.”
Residentplanning-board 2026-06-18
What's next

The planning staff will run a GIS analysis to count how many properties will be affected by the proposed overlay changes and refine the ordinance definitions.

wetlandsNWIbuffermapping