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Commission flags monitoring gaps and finds town conserved acreage well short of 30% goal

Londonderry Conservation Commission · June 23, 2026
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Summary

Commissioners reviewed required annual monitoring for conserved parcels, discussed using recent leaf-off aerial imagery and GIS for preliminary checks, and noted a 2019 tally of 4,147 conserved acres (about 15%), far below the 30% target and implying a much larger acquisition rate would be needed to meet the goal by 2030.

Commission members spent a substantial portion of the meeting reviewing the commission's monitoring responsibilities for conserved properties and the town's long-term conservation target.

Members identified the specific parcels that require annual monitoring (two Ingersoll properties, Merrow, several holdings listed under a landowner named Max, Sunny Crest Farm, and Plummer). Some monitoring responsibilities are currently covered by the regional conservation district (RCCD); members agreed to reuse prior-year reports and use an online state form to reduce duplication.

The commission discussed relying on recent aerial imagery and GIS tools for preliminary monitoring and assigning ground visits only when imagery or other evidence suggests boundary encroachment or other issues. A member noted that recent flyovers (within the last three to four months) should provide leaf-off imagery useful for that work.

Using a spreadsheet prepared by Mike Noon, members reviewed the town's conservation totals as of 2019: 4,147 acres, roughly 15 percent of the town, not the 30 percent some residents believed. Members discussed what has been conserved since 2019 and tasked themselves with updating the accounting and annual reports to produce a more current figure. The commission observed that achieving a 30 percent conserved-land target by 2030 would require acquiring roughly 1,000 acres per year for four years, a rate members said is unlikely without major projects.

No formal votes were taken on acquisitions or budgets during the meeting; members emphasized follow-up to update the conserved-acre accounting and to coordinate parcel assignments for monitoring.