![]() ![]() “So far, approximately one third of the project has been completed. “Executing a big project like this in the midst of all the complexities associated with the ‘construction site’ is quite a challenge,” said Shelley. Periodically, the sediment needs to be removed to restore the canal’s original capacity. Sediment from road and land runoff is deposited in the canal, decreasing its water storage capacity. ![]() The canal’s storage capacity in this stretch has become hampered as a result of the accumulated sediment and associated aquatic vegetation growth.”Īccording to the NJWSA website, the canal is fed by the Delaware River and smaller streams, channels and other runoff sources. “The canal is 60 miles long, and this stretch of it has never been dredged in the 82 years that the state of New Jersey has owned it. section is being dredged, located between Route 27 (Kingston) and Amwell Road (East Millstone), all within Franklin Township, Somerset County. Dredging will improve water quality and restore the canal’s original carrying capacity by removing accumulated sediment, aquatic vegetation growth and debris.”Ī more than 10-mi. “One hundred million gallons per day is diverted from the Delaware River to the canal. ![]() “The canal functions as a means to transport water and as a reservoir, and is part of the Raritan basin water supply system, providing source water to millions of central New Jersey residents,” said Julie Shelley, property and permit administrator of the New Jersey Water Supply Authority (NJWSA), which is responsible for maintaining the canal. The next segment to be dredged in 2019 will be Reach 5 from July to October, between Griggstown Causeway and Blackwells Mills Causeway. As of May 1, the canal was closed to boaters between the Walking Bridge and Griggstown Lock, to accommodate work in Reach 3. ![]() (Brennan photo)ĭredging has resumed in the Delaware and Raritan Canal, with the current season expected to run through the end of October. As part of an effort to improve water quality and restore the Raritan Canal’s original carrying capacity, crews in New Jersey are relying on ALLU equipment to carry out the crucial work of sediment amendment with Portland cement. ![]()
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