Water Quality RFPs

Close: May 1, 2026

The Arizona Department of Environmental Quality (ADEQ) seeks to establish one or more statewide contracts for water quality sampling and monitoring, including sample collection, laboratory analyses, and technical consultation. The contract term is expected to be three years with options to renew, covering various water bodies and groundwater sites across Arizona. Bidders must demonstrate relevant environmental monitoring experience and required certifications to be considered for this RFP.

Close: May 5, 2026

Water quality testing services. Scope of services includes - the bacteriological site sampling plan (Attachment C) provides the locations and sample schedule for the Contractor to physically take samples, provide containers, flush and sterilize sampling location, test water quality through analysis, and provide reports as described. 2. contractor shall submit test results using electronic data transfer (EDT), and use write-on utility or LIMS program, to output text type file in EDT format, or as directed or approved by SWRCB-DDW. See attached file.

Close: Apr 22, 2026

Provide drinking water quality laboratory services.

Close: May 7, 2026

Work includs traffic control; public convenience; installation of construction fencing; storm water pollution and erosion control; clearing and grubbing, tree trimming, tree and root protection; protection of existing improvements; removal and installation of existing signs; removal of benches; dredging of approx 4,500 CY of material from the upper pond and 5,500 CY of material from the lower pond including filtering, drying and spreading of dredged material; landscape improvements with new temporary irrigation; miscellaneous storm drain improvements; and all other work.

Close: Apr 17, 2026

The US Army Corps of Engineers Louisville District is soliciting laboratory analysis services for water quality, including analyses of water samples, chlorophyll, phytoplankton, and benthic macroinvertebrates in strict accordance with attached specifications. The solicitation (W912QR26QA006) was posted April 10, 2026, and quotes are due April 17, 2026, at 12:00 PM EDT. The opportunity is categorized under NAICS 541380 for Testing Laboratories and Services with an estimated value range of $50,000 to $200,000.

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: Apr 30, 2026

Northside Independent School District is soliciting sealed bids for water quality testing, detention pond inspections, and vegetation maintenance services. This contract replaces the expiring RFP 2023-111 and will be effective for one year with two optional one-year renewals upon board approval. The scope includes debris and sediment removal and comprehensive reporting for detention ponds located within the district in San Antonio, Texas.

Close: Apr 23, 2026

The Indian Health Service is seeking monthly laboratory services to collect, store, test, and report process quality water results for the Northern Navajo Medical Center. This procurement is a Total Small Business set-aside with a potential five-year contract duration consisting of a base year and four option years. Quotes for the solicitation (No. 75H71026Q00126) are due by April 23, 2026, with performance located in Shiprock, New Mexico.

Close: Apr 16, 2026

Requirement for monthly laboratory services for testing and analyzing of the facilities process quality water.

Close: Apr 17, 2026

Provide water quality program lab analysis. The work required under this agreement will primarily involve analysis of water, chlorophyll, phytoplankton, and benthic macroinvertebrates samples. See attached file.

Close: Apr 16, 2026

Project consists of constructing the Robert L. Smith Pond Dam and Embankment to dam design standards to enhance water quality of the watershed.

Close: Apr 16, 2026

Furnish 1 EA, Federal Pacific 75H-2 -3000AF, 3P, 600V Class, 75kAIC rated, manually operated, draw-out style air circuit breaker, retrofit with utility relay AC pro II and 1 EA, Westinghouse molded case circuit breaker model Seltronic PC32000 with 600VAC shunt trip.

Close: Apr 16, 2026

Water quality infrastructure and remediation projects. options

Close: May 11, 2026

The Arizona Department of Environmental Quality (ADEQ) is soliciting one or more contracts to develop and revise Arizona Surface Water Quality Standards and to provide technical support, including research, analysis, stakeholder engagement, and reporting. The contract is for a three-year period of performance with primary place of work in Phoenix, AZ and potential fieldwork across the state. Proposals are due May 11, 2026 and questions must be submitted via the discussion forum by May 1, 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: Apr 30, 2026

Work includes to gather market information and validate requirements for an enterprise software solution to manage utility compliance, water quality, and program data across water treatment, wastewater treatment, the environmental laboratory, industrial pretreatment, fog, storm water, and backflow.

Close: Apr 28, 2026

Water quality pond (1 & 2) conversion.

Close: Apr 17, 2026

Work involves use of rock ledges, cobble armor, stacked boulder and rock toes and native plantings for stabilization of the pond edge.

Close: May 5, 2026

Installing two (2) new well pumps, piping and appurtenances, performance testing and water quality sampling.

Close: Jun 1, 2026

The U.S. Geological Survey issued presolicitation 140G0226R0003 for an IDIQ Science and Technical Support Services contract to support the Mid-Continent Region and National Water Quality Laboratory. This procurement is an 8(a) set-aside with an estimated contract ceiling of $30 million over a five-year base period plus a six-month option. The government intends to award a single IDIQ contract for firm-fixed price or labor-hour task orders across multiple states.