NIGP 96834: Dredging Services

NIGP 96834 Dredging Services, an Item code, encompasses removal of accumulated sediment and sludge from waterway channels, industrial ponds, stormwater retention systems, and water treatment lagoons, along with associated dewatering, material transport, and disposal operations. State and local governments procure dredging across maintenance and remediation projects: the Liberty County Development Authority (Georgia) is seeking removal of sludge from two 0.8-acre storage ponds at Midway Industrial Park via RFP due August 17, 2026; the City of Hartwell (Georgia) is bidding dredging and dewatering of alum sludge (approximately 3,315 cubic yards) from water treatment plant lagoons due July 28, 2026; Atkinson County (Georgia) is soliciting lagoon dredging at its water treatment plant via restricted competitive ITB due July 24, 2026, limited to six pre-qualified vendors; and the City of Tampa (Florida) is requesting quotes for stormwater pond cleaning and possible dredging services due July 1, 2026. Issuing bodies include county development authorities, municipal water departments, county boards of commissioners, and cities; work is assigned through RFP, RFQ, ITB, and IFB processes typically requiring mandatory pre-bid conferences or site visits, compliance with erosion and sediment control measures, proof of insurance (often $1 million to $3 million general liability), and performance/payment bonds. MWBE and local-preference scoring are present in multiple solicitations, and projects are subject to state clean water and security-compliance laws.

Recent dredging activity concentrates in Georgia and Florida, with secondary solicitations in Texas, Oregon, and California. The Port of Newport (Oregon) is requesting hydraulic dredging quotations for approximately 18,000 cubic yards at a NOAA Marine Operations Center facility with proposals due July 14, 2026 and in-water work scheduled November 1, 2026 through February 1, 2027. The City of Long Beach (California) rebid maintenance dredging of Alamitos Bay Entrance Channel (approximately 415,000 cubic yards) with award of $7.448 million to Dixon Marine Services, Inc. (WBE-designated) on April 29, 2026. Brazoria County (Texas) is pursuing storm-debris removal from Oyster Creek and Bastrop Bayou following Hurricane Beryl, estimated at $3.5 million, with proposals due June 2, 2026 and Davis-Bacon prevailing wage requirements. Sarasota County (Florida) is procuring engineering and construction engineering & inspection services for two separate dredging projects—Hudson Bayou and Phillippi Creek Phase 2—both funded in whole or in part by HUD Community Development Block Grant Disaster Recovery funds, requiring Davis-Bacon compliance and contractor oversight of federal grant terms. Hillsborough County (Florida) is bidding a three-year roadside ditch and canal cleaning contract estimated at $2,847,500 due April 2, 2026, with work assignments on an as-needed basis throughout the county.