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Conservation Commission · June 1, 2026

Conservation Commission Meeting

Conservation Commission continued multiple Notices of Intent including Elm Street and Lake Attitash properties, approved an RDA for 29 Water Street with conditions, issued an OOC for 30 Lake Attitash Road and COCs for 58 Lake Attitash Road and a partial COC for 2 Merrimac Street, selected Stantec for stormwater peer review of the 28 Haverhill Road proposal, and approved an amendment to the Lions Mouth Road Enforcement Order.

occurred Agenda PDF Minutes Video recording AI Summary
Key decisions
Continued NOI 002-1362 (265R, 277R, 281, 287, 287R, 287.5 Elm Street) to July 6, 2026
Approved 5-0-1 (Fred Zackon YES; Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Brian Higgins ABSTAIN)
Continued NOI 002-1360 (29 Lake Attitash Road) to July 6, 2026
Approved 5-0-1 (Fred Zackon YES; Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Brian Higgins ABSTAIN)
Continued NOI 002-1364 (4 Lake Attitash Road) to July 6, 2026
Approved 5-0-1 (Fred Zackon YES; Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Brian Higgins ABSTAIN)
Approved the Request for Determination of Applicability (RDA) for 29 Water Street with the conditions discussed (erosion controls/BMPs, pre-construction meeting, restoration to previous conditions)
Approved 4-1-1 (Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Fred Zackon NO; Brian Higgins ABSTAIN)
Approved Stantec proposal for stormwater peer review for NOI 002-1365 (28 Haverhill Road)
Approved 4-0-2 (Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Fred Zackon ABSTAIN; Brian Higgins ABSTAIN)
Continued NOI 002-1365 (28 Haverhill Road) to July 6, 2026
Approved 4-0-2 (Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Fred Zackon ABSTAIN; Brian Higgins ABSTAIN)
Issued the Order of Conditions (OOC) for NOI 002-1366 (30 Lake Attitash Road) with BMPs and knotweed/invasive management conditions
Approved 5-0-1 (Fred Zackon YES; Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Brian Higgins ABSTAIN)
Issued the Certificate of Compliance (COC) for RCOC 002-1213 (58 Lake Attitash Road)
Approved 5-0-1 (Fred Zackon YES; Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Brian Higgins ABSTAIN)
Issued a Partial Certificate of Compliance for RCOC 002-1271 (2 Merrimac Street) with condition that plantings must establish for one more growing season and performance bond remain
Approved 5-0-1 (Fred Zackon YES; Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Brian Higgins ABSTAIN)
Approved the Amendment to the Enforcement Order for Lions Mouth Road (placement of erosion controls 15 feet either side of the culverts; contractor monitoring arrangement)
Approved 6-0-0 (Fred Zackon YES; Jaime McCarthy YES; Bob Manseau YES; Matt Mohr YES; Mike Fallon YES; Brian Higgins YES)
AI SUMMARY · DRAWN FROM THE MINUTES

The Conservation Commission reviewed multiple active filings and enforcement matters focused on shoreline and riverfront properties. Major items included continued hearings for the multi‑lot Elm Street development (NOI 002-1362) and Lake Attitash properties (NOI 002-1360 and NOI 002-1364). The Commission approved an RDA for the adaptive reuse of the brick mill at 29 Water Street with conditions for erosion controls, pre‑construction meeting, and restoration; Commissioners discussed park access and temporary construction easements. Members also selected Stantec to perform a comprehensive stormwater peer review for the large multi‑unit proposal at 28 Haverhill Road (NOI 002-1365) after comparing peer review proposals.

The Commission issued an Order of Conditions for 30 Lake Attitash Road (NOI 002-1366) with required BMPs and invasive knotweed management, granted a full Certificate of Compliance for 58 Lake Attitash Road (RCOC 002-1213), and a Partial COC for 2 Merrimac Street (RCOC 002-1271) conditioned on successful plant establishment for one more growing season. The Commission approved an amendment to the Lions Mouth Road Enforcement Order to add erosion controls adjacent to culverts and set monitoring arrangements for removal of millings. Public comments included a nearby abutter raising concerns about access routes and erosion control placement, and a commenter thanking the applicant for mitigation work; staff and applicants provided technical clarifications on stormwater treatment, wetland classifications, and construction access. Several hearings were continued to the July 6, 2026 meeting for follow‑up information and peer review results.

Generated by an LLM. Verify against the official record before quoting.

Points of interest

Rocky Hill development: overview of revised design to reduce buffer impacts
Rocky Hill development: overview of revised design to reduce buffer impacts
PRESENTATION
0:03:41–0:10:07 ▶ Watch
Applicant presented major design revisions to the large Rocky Hill development NOI, describing moves to pull stormwater treatment features out of the 25-foot buffer, eliminate two constructed basins, and redirect pretreated runoff to an isolated vegetated wetland to reduce buffer-zone impacts by roughly 23,000 sq ft.
Technical Q&A on routing treated stormwater to isolated wetland
Technical Q&A on routing treated stormwater to isolated wetland
DEBATE
0:11:12–0:16:16 ▶ Watch
Commissioners and the applicant's engineer discussed technical details of directing pretreated stormwater into the isolated vegetated wetland, including treatment methods, expected temporary ponding duration (hours), outlet controls, and assurances that peak runoff would not increase off‑site impacts.
Neighbor raises access‑way, curb, and staging concerns during public comment
Neighbor raises access‑way, curb, and staging concerns during public comment
PUBLIC COMMENT
1:05:02–1:15:01 ▶ Watch
A nearby resident delivered extended public comment objecting to proposed use of a shared access way, alleged curb/berm installation on common property, concerns about trespass and staging, and requested construction activity be limited to land solely owned by the applicant.
Debate over RDA vs NOI for riverfront building conversion and activity impacts
Debate over RDA vs NOI for riverfront building conversion and activity impacts
DEBATE
1:17:19–1:44:03 ▶ Watch
Commissioners debated an RDA for a riverfront building reuse project, with members questioning whether converting the structure to residences (year‑round occupancy) changes site use enough to require an NOI; after discussion the commission issued a negative determination with erosion‑control/BMP conditions.
Partial COC granted for marina project pending final growing‑season monitoring
Partial COC granted for marina project pending final growing‑season monitoring
OTHER
2:06:01–2:17:39 ▶ Watch
Large marina project: staff and consultants reviewed planting establishment and bond status while the applicant requested a full certificate of compliance; the commission and peer reviewer recommended holding a partial COC pending one more growing season and keeping funds available to replace any failed plantings.

Motions & votes

AI-generated summaries of each motion's substance — not the official record. Verify against the meeting minutes or video before quoting.

@ 1:44:03 · APPROVE
Approved 4-1-1 (McCarthy YES; Manseau YES; Mohr YES; Fallon YES; Zackon NO; Higgins ABSTAIN)
Approve the Request for Determination of Applicability for 29 Water Street (conversion of the brick mill building to six residential condominium units) with conditions including erosion controls, pre-construction meeting, BMPs, and restoration of temporarily disturbed areas.
MOVED · J. MCCARTHY · SECONDED · M. MOHR
@ 1:52:02 · APPROVE
Approved 4-0-2 (McCarthy YES; Manseau YES; Mohr YES; Fallon YES; Zackon ABSTAIN; Higgins ABSTAIN)
Approve the Stantec proposal to perform the stormwater peer review (and related wetland review/meeting attendance) for NOI 002-1365 at 28 Haverhill Road.
MOVED · B. MANSEAU · SECONDED · M. MOHR
@ 1:55:24 · APPROVE
Approved 5-0-1 (Zackon YES; McCarthy YES; Manseau YES; Mohr YES; Fallon YES; Higgins ABSTAIN)
Issue an Order of Conditions for NOI 002-1366 (30 Lake Attitash Road) with required best management practices and invasive knotweed management.
MOVED · B. MANSEAU · SECONDED · J. MCCARTHY
@ 2:03:42 · APPROVE
Approved 5-0-1 (Zackon YES; McCarthy YES; Manseau YES; Mohr YES; Fallon YES; Higgins ABSTAIN)
Issue the Certificate of Compliance for RCOC 002-1213 at 58 Lake Attitash Road for the as‑built work (structure on helical piles, pervious pavers and plantings).
MOVED · M. FALLON · SECONDED · J. MCCARTHY
@ 2:17:39 · APPROVE
Approved 5-0-1 (Zackon YES; McCarthy YES; Manseau YES; Mohr YES; Fallon YES; Higgins ABSTAIN)
Issue a Partial Certificate of Compliance for RCOC 002-1271 at 2 Merrimac Street, requiring establishment of plantings for one more growing season and continuation of the performance bond.
MOVED · J. MCCARTHY · SECONDED · B. MANSEAU
@ 2:32:17 · APPROVE
Approved 6-0-0 (Zackon YES; McCarthy YES; Manseau YES; Mohr YES; Fallon YES; Higgins YES)
Approve the Amendment to the Enforcement Order for Lions Mouth Road to require placement of erosion controls 15 feet on either side of the culverts and to set monitoring/inspection arrangements during millings removal.
MOVED · M. FALLON · SECONDED · M. MOHR