Delaware · Water and Wastewater

Delaware Water and Wastewater Government Bids & RFPs

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2 open Delaware water and wastewater bids are on Bid Banana right now, from 2 agencies, led by State of Delaware OMB and City of Wilmington.

FAQs

Are past Delaware water and wastewater bids available?

Yes. Bid Banana holds 18 closed Delaware water and wastewater solicitations; the most recent are listed on this page.

How many Delaware water and wastewater bids closed in the last 12 months?

5 closed in the last 12 months, by Bid Banana's records.

Which agencies post Delaware water and wastewater bids?

Of the 20 most recent on Bid Banana, open and closed, the most came from City of Dover (11), City of Wilmington (3) and Delaware Department of Natural Resources and Environmental Control (2).

How long are Delaware water and wastewater bids open?

For the last 7 that closed, the median time from when Bid Banana listed the bid to its close date was 28 days (shortest 4, longest 63).

Open Delaware water and wastewater bids

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  • State of Delaware OMB·Delaware

    Division of Communications Water & Sewer Tie-In
    Closes 11/4/2026Invitation for BidWater Management and SanitationView details

    The State of Delaware’s Office of Management and Budget is seeking a qualified contractor to perform a water and sewer tie‑in at Dover, DE…

  • City of Wilmington·Delaware

    27019PW – Digester 4 Rehabilitation
    Closes 11/17/2026Invitation for BidWater Management and SanitationView details

    The City of Wilmington (or associated agency) is seeking contractors to rehabilitate Digester 4 at its Wastewater Treatment Plant. The scope…

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Recently closed Delaware water and wastewater bids

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  • State of Delaware NAT·Delaware

    Shoreline Management Sand
    Closed 9/28/2026Invitation for BidWater Management and Sanitation

    The State of Delaware seeks a vendor to supply up to 50,000 cubic yards (≈ 67,500 tons) of clean shoreline sand for beach restoration at…

  • City of Wilmington·Delaware

    27017PW - Primary Clarifier 1 Rehabilitation
    Closed 9/22/2026Invitation for BidWater Management and Sanitation

    This opportunity calls for the rehabilitation of Primary Clarifier 1 at the Wilmington Wastewater Treatment Plant. The work will involve…

  • State of Delaware RCCD·Delaware

    Filtration Parts for Steamers and Hydrovections
    Closed 1/22/2026Request for ProposalWater Management and Sanitation

    The Red Clay Consolidated School District is seeking vendors to supply a comprehensive list of water‑filter cartridges and related parts for…

  • City of Dover·Delaware

    Manganese Removal Systems for Drinking Water
    Closed 9/4/2025Request for ProposalWater Management and Sanitation

    The City of Dover issued an RFP (26‑0003WW) seeking a vendor to design, supply, install, and commission a manganese removal system for the…

  • Delaware Department of Natural Resources and Environmental Control·Delaware

    PFAS WATER TREATMENT - INSTALLATION AND SERVICE
    Closed 4/25/2025Request for ProposalWater Management and Sanitation

    The State of Delaware Department of Natural Resources and Environmental Control (DNREC) seeks professional services to install and service…

  • Delaware Department of Natural Resources and Environmental Control·Delaware

    Channel Marking for State Maintained Waterways
    Closed 4/14/2025Request for ProposalWater Management and Sanitation

    The State of Delaware, through the Department of Natural Resources and Environmental Control, is seeking proposals for channel marking…

  • City of Dover·Delaware

    Dover Well #9 Repairs
    Closed 1/25/2024Invitation for BidWater Management and Sanitation

    This opportunity involves the complete reconstruction of a municipal well pump house, including demolition of existing structures, site…

  • City of Dover·Delaware

    US 13 East Pump Station Wet Well Lining
    Closed 1/24/2024Invitation for BidWater Management and Sanitation

    The opportunity concerns the replacement/lining of the wet well at the US 13 East Pump Station, a critical component of water‑utility…

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  • City of Dover·Delaware

    US 13 East Pump Station (Station #7) Repairs
    Closed 9/26/2023Invitation for BidWater Management and Sanitation

    This opportunity is a competitive invitation to bid for the comprehensive repair and upgrade of the US 13 East Pump Station (Station #7)…

  • City of Dover·Delaware

    Inflow and Infiltration Improvement
    Closed 5/26/2021Invitation for BidWater Management and Sanitation

    This solicitation seeks a qualified contractor to perform a comprehensive video‑based condition assessment of a municipal sanitary sewer…

  • City of Dover·Delaware

    Water Meter Term Contract
    Closed 5/19/2021Request for ProposalWater Management and Sanitation

    The City of Dover issued a solicitation (RFP 21‑0038WW) for a term‑contract to provide water‑metering equipment and related services. The…

  • City of Dover·Delaware

    US 13 East Pump Station (Station #7) Repairs
    Closed 3/11/2021Invitation for BidWater Management and Sanitation

    This opportunity concerns the repair and rehabilitation of the US 13 East Pump Station (Station #7) in Delaware. The bid tabulation shows a…

  • City of Dover·Delaware

    Pump Station #7 Repairs
    Closed 1/2/2020Invitation for BidWater Management and Sanitation

    This solicitation concerned the repair of Pump Station #7. The project was intended to address mechanical and electrical issues within the…

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