Commission OKs negative determination for Lake Trail boardwalk to limit wetland disturbance
July 16, 2026 | Carlisle, Middlesex County, Massachusetts
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The Conservation Commission voted to issue a negative determination for a proposed 33-foot boardwalk across a stream on Lake Trail after the trails committee explained a narrowed 2'8" tread to reduce wetland disturbance.
Allan (trails committee) said the narrower width is deliberate: "2'8 is not just a random number ... 1/3 of an 8 foot board" and argued the reduced width lets the boardwalk fit in a tight corridor while avoiding vegetated wetlands. Staff noted the midspan will be a longer span to keep supports clear of the bank and recommended a negative determination provided the sills remain outside protected resource areas. The commission approved the negative determination by roll call.
Allan (trails committee) said the narrower width is deliberate: "2'8 is not just a random number ... 1/3 of an 8 foot board" and argued the reduced width lets the boardwalk fit in a tight corridor while avoiding vegetated wetlands. Staff noted the midspan will be a longer span to keep supports clear of the bank and recommended a negative determination provided the sills remain outside protected resource areas. The commission approved the negative determination by roll call.
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