NAICS 221320 - Sewage Treatment Facilities RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

The City of Fairmont is seeking proposals for a sewerage system design bond, with proposals opening November 25, 2026.

The City of Columbus Department of Public Utilities is seeking professional services for the Olentangy River Road and Snouffer Road Home Sewage Treatment Systems Elimination project.

Baltimore County, Maryland is seeking bids for a term contract providing chemical root control and sewer treatment services, with an estimated value of $1.7 million over the base and renewal terms.

Central Weber Sewer Improvement District is seeking an engineering design firm to evaluate its wastewater collection system and treatment plant and update its Facilities Master Plan, including capacity, growth, solids handling, odor strategy, and capital improvement recommendations.

The Santa Clarita Valley Sanitation District of Los Angeles County is proposing Annexation No. 1134 to provide off-site sewage disposal service to an existing developed area.

The City of Green Bay, Wisconsin is seeking proposals for the construction of sanitary sewer systems, including mini sewers and sanitary sewer projects, with bids submitted electronically via QuestCDN.

The City of Saint-Jean-sur-Richelieu is seeking wastewater treatment infrastructure operation services under a 36-month contract with renewal available.

The U.S. Department of Defense is seeking bids for work at the Rockaway Sewer Plant in Queens, New York, with DBE participation potentially required.

Allegany County Department of Public Works is requesting sealed bids for multiple prime contracts to construct sewer collection, pumping, and wastewater treatment system improvements in Allegany County, New York.

Aquarion Water Authority is seeking a contractor to transport, process, and dispose of sewage grit and rags from its Ansonia wastewater facility, including providing and exchanging a lined 20-yard dumpster, under a three-year contract with two one-year renewal options.

The City of Winston-Salem is requesting proposals for sanitary sewer chemical root control services under RFP2778.

Harris County is seeking construction of a sanitary sewer system extension along Castledale Drive for Precinct 2, funded through CDBG BABAA.

Parks Canada Agency is seeking on-demand septic pump-out, sewage transportation, and disposal services at facilities in Bruce Peninsula National Park under a standing offer with an initial one-year term and up to four one-year extensions.

The Town of Mina is requesting bids for construction of a new sanitary sewer collection system, including gravity sewer, low-pressure sewer, pump stations, and related improvements in Findley Lake, New York.

The Edgewater Park Sewerage Authority is seeking labor, equipment, and materials for sewer collection system jetting and vactoring services from December 1, 2026, through November 30, 2027.

The Edgewater Park Sewerage Authority is seeking labor, equipment, and materials for sewer collection system jetting and vacuuming services from December 1, 2026, through November 30, 2027.

The City of Fruita is seeking a professional engineering firm for as-needed wastewater treatment facility and sewer collection system engineering services, including planning, design, regulatory support, and construction assistance.

The Town of Aylmer is seeking a contractor to expand its lagoon facility with sixteen intermittent sand filter beds, sanitary sewer and forcemain infrastructure, electrical and control systems, sewage pumps, buildings, road improvements, and commissioning.

The City of Wichita is seeking bids for solidification, treatment, transportation, and disposal of non-hazardous liquid waste for its Public Works & Utilities Department and other generators in Sedgwick County.

The City of Concord is seeking a contractor for sewer rehabilitation improvements on several streets in the Town of Clayton, California.

The City of Cuyahoga Falls is seeking sealed bids for sanitary sewer improvements on Elmwood, Erie, and Norwood Streets, with 5% bid security and 100% performance, payment, and maintenance bonds required of the successful bidder.

The Regie intermunicipale de la region de Thetford is seeking sealed bids for the supply, collection, transportation, and treatment of dry-material containers in the Chaudiere-Appalaches region under an estimated 36-month contract.

The City of Baltimore is seeking program management services for its wastewater collection system under Project No. 1407.

The Region of Peel is seeking construction services for the East Brampton Trunk Sewer Rehabilitation in the City of Brampton under Contract 2.

Louisville and Jefferson County Metropolitan Sewer District is requesting qualifications for wastewater treatment project engineering support from vendors that have not previously qualified for the service.