RFQ 683950: Engineering Services for the Stormwater Management Program

The County of Loudoun, Virginia, is seeking qualified engineering firms through a Request for Proposal to establish up to five fixed-fee, open-ended contracts for professional engineering services related to its Stormwater Management Program. These contracts will support the County’s efforts in managing stormwater and ensuring compliance with the Virginia Pollutant Discharge Elimination System (VPDES) Phase II MS4 General Permit requirements. Services will be provided on an as-needed basis over a one-year period, with the possibility of up to three additional one-year renewal options. Each task will be initiated via a County-issued Purchase Order, and firms must demonstrate strong project management skills, technical expertise, and experience in developing, designing, and implementing Best Management Practices (BMPs) for stormwater programs. The solicitation, posted on November 5, 2025, with a response deadline of December 9, 2025, falls under NAICS code 541330, indicating a focus on engineering services. The contract value ranges from a minimum of $500,000 to a maximum of $5,000,000, reflecting the scope and importance of the project. Interested firms are encouraged to review the full solicitation details available online and prepare their proposals accordingly to support the County’s stormwater management initiatives effectively.