Tidmarsh Farms Bog Restoration – Plymouth, MA | SumCo - Specialized Civil and Ecological Construction

Tidmarsh Farms Bog Restoration – Plymouth, MA

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"A vast expanse of cold-water streams, ponds, forest, and woodlands, Tidmarsh is a 481-plus acre landscape permanently protected and open for all to enjoy. Once a working cranberry farm, this landscape underwent the largest freshwater ecological restoration ever completed in the Northeast."

- Mass Audubon (2018)

Date of Completion:

November, 2017

Client:

Tidmarsh Farms

Partners:

Inter-Fluve (Designer); USDA Natural Resources Conservation Service; US Fish & Wildlife Service; Mass Department of Ecological Restoration; Horsley Witten Group; Town of Plymouth.

Awards:

2018 Environmental Business Council of New England Collaboration Award (link)

Resource Area: 250 acres of fen and Atlantic White Cedar swamp

Freshwater wetlands
Removal of 20′ dam

(“Before”- Photograph Taken: May 10, 2017) →

Ecological Contracting Services & Products

Invasive Species Control
Bridges, Culverts, Boardwalks
Plant Installation, Relocation & Seeding

← (“After”- Photograph Date: July 12, 2017)

River Length: 20,000 linear feet

3,000+ large logs, stumps and rootwad placements for stream channel establishment.
6,000 tree plantings
15,000 wetland plug plants placed
20 acres of riparian buffer mix seeding

Bridge Installation.

Ecological Restoration

New channel and flood-plain
Main stem channel flows for two miles through former bog
Waterway features smaller tributary channels, new ponds, fabric encapsulated lifts and wood structures
Supports climate adaptation through increased carbon capture
Restored diversity of native fish and wildlife habitat as well as enhancing climate change resiliency through increased carbon capture.
Opened as Mass Audubon Wildlife Sanctuary and living observatory in June 2018.