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Commission issues conditional negative determination for 25 East Hoyle Street after debate over ditch's origin
Summary
After hearing technical evidence and neighborhood observations, the Norwood Conservation Commission issued a negative determination of applicability for 25 East Hoyle Street, subject to special conditions requiring on-site stormwater management and coordination with town engineering.
The Norwood Conservation Commission on May 28 issued a negative determination of applicability for the parcel at 25 East Hoyle Street (Norwood RDA 2025-06), concluding the ditch along the site serves primarily as a stormwater conveyance rather than a jurisdictional stream — but attached special conditions require stormwater-management measures and coordination with town engineering.
Developer representatives presented orthophotos, drainage maps and portions of a town drainage study showing the site is roughly 2.5 acres of former parking lot and that runoff is conveyed through a constructed ditch and a network of pipes, including a 42-inch culvert that outlets into a ditch that later reaches a 60-inch culvert under the railroad. Consultant Tom Schutz (Gauter/Goddard Consulting) summarized the packet and drainage study and told commissioners, “in our opinion, this ditch on our site is serving only to convey stormwater and is not jurisdictional under the Wetlands Protection Act or the Norwood Wetland bylaw.”
Commissioners questioned that conclusion, noting field observations that the ditch currently contained flowing water and raising the possibility of groundwater contribution. Commissioner Catherine Walsh said she visited the site and saw flowing water and that it could be intermittent and groundwater-fed; other commissioners and the consultant pointed to the town-commissioned drainage study (2004, updated 2020) and noted the ditch receives stormwater from the hospital infiltration system and the public pipe network.
Because commissioners could not conclusively determine whether groundwater sustained flow during dry periods, the commission structured the outcome as a negative determination of applicability paired with a special-condition framework: the commission granted the negative determination but directed the applicant to implement appropriate on-site stormwater management so that downstream water quality would not be degraded and to work with the town engineer/stormwater authority on the design and implementation of controls. The commission’s conservation planner said the town’s engineering department will be the stormwater authority as of May 29 and will review stormwater management plans.
Commissioners noted the legal distinction that under the Massachusetts Wetlands Protection Act and Norwood’s local bylaw a conveyance that serves only to carry stormwater can be nonjurisdictional, while an intermittent stream receiving groundwater or a connection to other resource areas could be jurisdictional. The commission therefore adopted conditions intended to protect the downstream resource if construction proceeds.
Outcome and next steps: the commission voted to issue a negative determination of applicability with special conditions requiring the applicant to implement appropriate stormwater management and to coordinate with town engineering/stormwater authority. The vote was approved by the commission (three in favor, one member absent). If the applicant later proposes work that alters the ditch or wetland resource areas, the commission retained authority to require additional review.
