Dredging benefits aquatic ecosystem restoration

Sediment dredging can permanently remove pollutants from an aquatic ecosystem, which is considered an effective approach to aquatic ecosystem restoration. Eutrophication

Of the 31 dredging projects on the town’s wait list, 17 sites are considered as routine maintenance. Dredging the rest gets increasingly complicated due to fine-grain and silty sediments and water quality issues, like the excessive nutrient load in the Three Bays area.

 

Current Projects

PHASE 2 OF DREDGING OF COTUIT BAY ENTRANCE CHANNEL AND WESTERN TIP OF SAMPSON’S ISLAND
The Department of Public Works, in collaboration with Barnstable Clean Water Coalition, Massachusetts Audubon Society, and Barnstable County, will begin operations for Phase 2 of the dredging of the Cotuit Bay Entrance Channel and the western tip of Sampson’s Island during the week of October 15, 2019. 

Dredging is anticipated to commence on or about October 30th.   This work is a continuation of the work completed last year and will widen the existing channel by approximately an additional 130 feet.  The dredged material will be utilized for beach nourishment purposes on the southern side of the eastern end of the island and for a habitat enhancement area. 

Weather pending, dredging operations will be on-going, Monday through Saturday from 7 AM to 5 PM until completion of this phase of the project.  Dredging operations will be completed by January 14, 2020.

FREQUENTLY ASKED QUESTIONS

What is the process of dredging?

Dredging is the act of removing silt and other material from the bottom of bodies of water. As sand and silt washes downstream, sedimentation gradually fill channels and harbors. … Dredging is the removal of sediments and debris from the bottom of lakes, rivers, harbors, and other water bodies.

What are the benefits of dredging?

Does dredging harm marine life?

Answer