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Unofficial Notice of Invitation to Bid (NIB)

American Canyon City is seeking bids from qualified and interested contractors for the following project titled, NPDES Permit Renewal/Local Limits Assessment, identified under Solicitation ID: -. Work is to be performed near 4381 Broadway suite 201, American Canyon, CA 94503, USA in Napa County.

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General Project Description

The City of American Canyon is soliciting proposals for professional consulting services to manage the renewal of its National Pollutant Discharge Elimination System (NPDES) Permit and conduct a Local Limits Assessment. The scope includes hosting kick-off meetings, developing regulatory strategies, compiling and submitting the Report of Waste Discharge, conducting dilution studies, performing Reasonable Potential Analysis (RPA) for effluent limits, addressing regulatory issues, reviewing draft orders, developing hearing strategies, and creating a deliverables list upon permit adoption. For the Local Limits Assessment, tasks involve reviewing existing data, developing a Local Limits Review for submittal to the Regional Board, calculating local limits, preparing reports, and suggesting Municipal Code revisions if required.

General Bid Items

  • Quantity: -  Unit: -  Work Item: Host kick-off meeting and develop/recommend strategy based on current regulatory condition.
  • Quantity: -  Unit: -  Work Item: Compile necessary data, prepare and submit Report of Waste Discharge to San Francisco Bay Regional Water Quality Control Board.
  • Quantity: -  Unit: -  Work Item: Develop basis (scope and cost estimate) for dilution studies and perform shallow water discharger analysis.
  • Quantity: -  Unit: -  Work Item: Conduct Reasonable Potential Analysis (RPA) and calculate Currently Applicable Effluent Limits; conduct sensitivity analyses for effluent limits.
  • Quantity: -  Unit: -  Work Item: Conduct technical analyses to address regulatory issues.
  • Quantity: -  Unit: -  Work Item: Review and provide comments on Administrative Draft.
  • Quantity: -  Unit: -  Work Item: Review and provide comments on Tentative Order.
  • Quantity: -  Unit: -  Work Item: Develop strategy for Regional Water Board hearing.
  • Quantity: -  Unit: -  Work Item: Develop comprehensive, chronological list of all deliverables, special studies, or other tasks with deadlines upon adoption of new permit.
  • Quantity: -  Unit: -  Work Item: Local Limits assessment efforts, including review of existing data and background information, adhering to the USEPA four-step process.
  • Quantity: -  Unit: -  Work Item: Develop Local Limits Review for submittal to the Regional Board, documenting completion of Step 1 and outlining any sampling plan required for Step 2.
  • Quantity: -  Unit: -  Work Item: Calculate Local Limits if previous steps determine that existing limits need revision.
  • Quantity: -  Unit: -  Work Item: Prepare a full Local Limits Report for City review and support City in responding to any Regional Board comments.
  • Quantity: -  Unit: -  Work Item: Review existing Municipal Code and provide suggested revisions if Local Limits are revised.

NAICS Classification

NAICS 541330 – Engineering Services, NAICS 541620 – Environmental Consulting Services, NAICS 541690 – Other Scientific and Technical Consulting Services

Records and Due Date

This bid opportunity was entered into BidAmerica on February 12, 2026, and was last updated on February 20, 2026. All bids and/or proposals are due on February 27, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by American Canyon City. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from American Canyon City prior to bidding.