Water Quality RFPs

Close: Feb 27, 2026

Seeking proposals for laboratory services for water quality testing.

Close: Mar 5, 2026

Establish an open-end contract for maintenance and repair of water quality meters and other equipment.

Close: Feb 25, 2026

Provide a YSI EXO3 multiparameter water quality monitoring system and associated sensors, accessories, and calibration standards.

Close: Mar 9, 2026

Provide on-site assessments on zone 7 water drinking water quality laboratory.

Close: Mar 2, 2026

Valley Water requires experienced, and qualified consultants to provide On-Call Water Quality Technical Services including regulatory, operational, and technical on an as-needed basis related to Valley Water’s three water treatment plants (Rinconada Water Treatment Plant, Santa Teresa Water Treatment Plant, and Penitencia Water Treatment Plant) and the advanced water purification center (Silicon Valley Advanced Water Purification Center), Vasona Pilot Plant, turnouts and transmission mains, drinking water wells, pump stations, and reservoirs.

Close: Feb 23, 2026

Water Quality Monitoring System - UV-6201 or Equal for installation at the Ohmsett National Oil Spill Response Research & Renewable Energy Test Facility.

Close: Feb 27, 2026

Provide water quality management services.

Close: Mar 2, 2026

Requires service to provide highly purified water for plant maintenance on nuclear powered ships.

Close: Mar 5, 2026

The West Virginia Department of Environmental Protection, Division of Water and Waste Management is soliciting maintenance and repair services for water quality meters including YSI, Onset/HOBO, Hatch, and OTT Hydromet. The contract is an open-end term with an estimated 300 hours of maintenance and repair work where vendors must provide hourly labor rates and a parts markup. This solicitation is a Request for Quotation (CRFQ-0313-DEP2600000024-1) and is not a grant program.

Close: Mar 5, 2026

The Iowa Department of Natural Resources (DNR) is soliciting quotes to purchase four (4) Manta+35 water quality probes, including sensors for temperature, dissolved oxygen, pH, conductivity, turbidity, chlorophyll-a, and a central wiping system. The procurement also includes eight external lithium-ion battery packs and two battery chargers, with delivery required to Spirit Lake, IA, by April 1, 2026. Vendors must be authorized manufacturer representatives capable of extending warranties, and the solicitation is a standard procurement RFQ rather than a grant.

Close: Sep 25, 2030

The Michigan Department of Environment, Great Lakes, and Energy is soliciting Water Quality Monitoring Services under solicitation NIA1-761-240000001477-1 for a five-year contract with up to two one-year renewal options. The posting is listed on the state's SIGMA VSS system and the aggregator lists the proposal close date as 2030-09-25 and shows the opportunity as active (last updated 2025-11-19).

Close: Mar 5, 2026

The West Virginia Purchasing Division, on behalf of the Department of Environmental Protection, issued a Centralized Request for Quote for the maintenance and repair of YSI and other water quality meters. The contract establishes an open-end agreement covering services and parts markups for brands including YSI, In-Situ, Onset, HOBO, Hatch, and OTT Hydromet. Vendors must be registered with the West Virginia Purchasing Division prior to the award of the contract for services performed in Charleston, WV.

Close: Mar 4, 2026

Seeking firms for as-needed consulting services for flood control, floodplain, and water quality projects.

Close: Feb 26, 2026

The solicitation requests quality check samples for drinking water and wastewater testing to support laboratory QA/QC procedures and sample verification. The posting was published 2026-02-13 and closes 2026-02-26 at 2:00 PM EST; bid documents and contact details are restricted to registered users on the buyer portal. The opportunity is a services procurement and is open as of February 16, 2026.

Close: Jun 30, 2026

The Chittenden County Regional Planning Commission requests qualifications from municipalities and organizations to serve as project managers and implementors for water quality improvement projects in the Northern Lake Champlain Direct Drainages Basin. The RFQ describes required experience, scope of work, and evaluation criteria to identify qualified entities to manage and implement those projects.

Close: Mar 12, 2026

The City of Scottsdale is soliciting proposals to procure a complete Digital PCR (dPCR) system for its Water Quality Lab, including equipment, cloud-based SaaS software, and multi-year maintenance. The system must support multiplex analysis and high sensitivity for environmental targets while including local service response commitments and training. Evaluation will be based on best-value criteria for an initial one-year contract with four optional one-year renewals.

Close: Mar 4, 2026

Improve water quality in Little Squalicum Creek through the installation of BioPods and other enhanced treatment BMP's in the Birchwood neighborhood includes 10,000 LF saw-cutting, 65 LF solid wall PVC storm sewer pipe 8" diam., 230 LF corrugated polyethylene storm sewer pipe (CPSSP) pipe 12" diam., 1 EA side sewer connection 4" diam., 2,700 SY planing bituminous pavement, 1,730 LF ductile iron pipe for water main 12" diam.

Close: Feb 23, 2026

This is a Sources Sought notice seeking vendors capable of supplying a water quality monitoring system equivalent to the UV-6201 (ChemScan) for the Ohmsett National Oil Spill Response Research & Renewable Energy Test Facility. The Bureau of Safety and Environmental Enforcement is conducting market research to identify potential sources that can meet specific salient characteristics and SCADA integration requirements. Interested parties must submit a capability statement of no more than 8 pages via email by February 23, 2026.

Close: Mar 2, 2026

The Naval Sea Systems Command seeks contractors to provide mobile demineralizer rigs and associated services to supply highly purified water for nuclear-powered ship maintenance in Portsmouth and Norfolk, Virginia. The Government intends to award a Firm-Fixed-Price contract for a base year starting April 6, 2026, with four subsequent option years. The project involves an estimated maximum daily processing volume of 16,500 gallons across ten total rigs at Norfolk Naval Shipyard and Naval Station Norfolk.

Close: Mar 20, 2026

The City of Santa Rosa is seeking a consultant to provide facilitation and coordination services for developing an Implementation Framework for water quality recovery in the Laguna de Santa Rosa Watershed. The selected consultant will manage stakeholder assessments, facilitate approximately 13 Taskforce meetings over two years, and prepare comprehensive mid-project and final reports. This project is designed to inform the North Coast Water Board's regulatory processes and includes assisting with a State of the Laguna conference.