Water Treatment Chemical Supply for 2027
The City of Tacoma is seeking a qualified supplier to provide a full suite of water‑treatment chemicals for its 2027 operations at three…
Closed bids
Closed Washington Water and Wastewater Bids & RFPs
- Closed in the last 30 days
- 12
- Closed this year
- 50+
- Closed bids on record
- 50+
Bid Banana holds 50+ closed Washington water and wastewater solicitations. These are the 50 that closed most recently. In the last 12 months, the most Washington water and wastewater bids closed in September 2026 (12); the agencies behind the most of the 50 most recent were Tacoma, City of Spokane and Confederated Tribes of the Colville Reservation.
Recently closed
- Power Plant Water Treatment
Eastern Washington University is seeking a qualified contractor to provide a full‑service water‑treatment program for its power‑plant…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma’s Water Department is soliciting quotations for a broad range of non‑electrical hardware and operating supplies that are…
- Curb & Valve Boxes - Annual Value Blanket
The City of Spokane is seeking a supplier to provide a range of curb boxes, valve boxes (standard and domestic variants), and related…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Purchasing Division is soliciting quotes for a stocked‑goods purchase of non‑electrical hardware and operating…
- Pipe, High Density Polyethylene (HDPE)
This solicitation seeks the supply of high‑density polyethylene (HDPE) corrugated pipe, bell‑and‑spigot with rubber gasket, in a range of…
- Water and Wastewater Treatment
The Washington State Patrol is seeking a qualified contractor to operate, maintain, and monitor the water‑management systems at the…
- Continuous Steel Sewer Rod - Value Blanket
The City of Spokane is seeking a supplier to provide continuous steel sewer rod on a five‑year value‑blanket basis. The product must be .375…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma’s Water Purchasing Division is issuing an RFQ for new, unused, non‑electrical hardware and operating supplies needed for…
- Procurement Exemption for Environmental One Parts and Products
Pierce County is issuing a sole‑source procurement exemption to purchase Environment One parts and products needed for the Chambers Creek…
Show 40 more
- F&W, BERG RANCH WMA IRRIGATION PROJECT
The Confederated Tribes of the Colville Reservation are seeking a qualified contractor to design, procure, install, test, and commission…
- Berg Ranch WMA Irrigation Project
The Confederated Tribes of the Colville Reservation are seeking a qualified contractor to design, supply, and install three large…
- Hardware Non-Electrical (Stock), Hydrants & Parts (Stock), & Tools (Stock)
The City of Tacoma’s Water Purchasing Division is seeking price quotations for a variety of stock‑type hardware items needed to support…
- Rock Island Powerhouse 2 House Service Water Upgrade
The solicitation seeks a qualified mechanical contractor to perform a comprehensive upgrade of the house service water system at Rock Island…
- Green River Watershed Operations Heavy Equipment Services
The City of Tacoma is seeking a contractor to provide ongoing, as‑needed heavy‑equipment services for the Green River Watershed. The…
- Interceptor CCTV Sonar & Laser inspection - Prevailing Wages
The City of Spokane is seeking a qualified contractor to perform a comprehensive interceptor inspection using CCTV, sonar, and laser…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Purchasing Division is soliciting bids for new, unused hardware and operating‑supply items to stock its water…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma’s Water Purchasing Division is soliciting competitive quotations for a catalog of stocked, non‑electrical hardware and…
- Hardware Non-Electrical (Stock) & Hydrants & Parts (Stock)
The City of Tacoma is soliciting price quotations for a variety of non‑electrical hardware, hydrant components, and related fittings needed…
- McGard Fire Hydrant Locks & Operating Wrenches - Value Blanket
The City of Spokane’s Water & Hydroelectric Services department is seeking a supplier to provide McGard‑brand fire hydrant locks, operating…
- Valve & Curb Boxes, Lids
The City of Spokane Water & Hydroelectric Services department issued an Invitation to Bid (ITB 6598-26) seeking quotations for valve and…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Purchasing Division is soliciting quotes for a broad list of new, unused hardware and operating supplies needed for…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Warehouse is issuing an RFQ for a broad list of new, unused, non‑electrical hardware and operating‑supply stock…
- Hardware Non-Electrical (Stock)
The City of Tacoma Water Purchasing Division is seeking quotes for a variety of new, non‑electrical hardware stock items needed for its…
- Hydrants & Parts (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Division is seeking price quotations for a catalog of stock‑type items needed for hydrant maintenance and general…
- WWTP Digester Circulation Pump Purchase
The City of PA is accepting bids to procure one Wemco Model C 4"x4" Torque Flow Pump for the Wastewater Treatment Plant. The government…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
City of Tacoma’s Water Purchasing department is seeking quotations for a set of new, non‑electrical hardware and operating‑supply items that…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Purchasing Division is soliciting bids for a broad list of new, non‑electrical hardware and operating‑supply stock…
- Hardware Non-Electrical (Stock), Hydrants & Parts (Stock), & Tools (Stock)
The City of Tacoma’s Water Warehouse is soliciting quotes for a wide range of stock, non‑electrical hardware, hydrant components, and tools…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Warehouse is seeking competitive quotes for a broad range of non‑electrical hardware items and operating supplies…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Department is seeking quotations for a range of standard‑stock, non‑electrical hardware and operating supplies. All…
- SWM Pavement Improvements
The City of Tacoma is seeking qualified contractors to design, supply, install, and commission a new ozone disinfection system for the Green…
- Green River Filtration Facility Ozone System Replacement
The City of Tacoma is seeking qualified contractors to design, supply, install, and commission a new ozone disinfection system for the Green…
- Green River Filtration Facility Ozone System Replacement
The City of Tacoma is seeking qualified contractors to replace the ozone generation system at the Green River Filtration Facility. The…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
This RFQ seeks vendors to supply a defined list of stock, non‑electrical hardware and operating supplies for the City of Tacoma Water…
- Hardware Non-Electrical (Stock)
The City of Tacoma Water Purchasing Division is seeking price quotes for a catalog of non‑electrical hardware items that are stocked for the…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma’s Water Purchasing Division is soliciting vendors to provide a catalog of stocked, non‑electrical hardware and operating…
- WDFW: Procurement of HDPE Pipe, Valves, and Components
The Washington Department of Fish & Wildlife is seeking quotations for the procurement, delivery, and FOB‑destination shipment of HDPE and…
- Liquid Aluminum Sulfate for North End Treatment Plant (Rebid)
The City of Tacoma is seeking a qualified vendor to supply and deliver food‑grade liquid aluminum sulfate (LA‑S) for use at the North End…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Purchasing Division is requesting quotations for a broad list of new, stock hardware and operating supplies needed…
- Operating Supplies (Stock)
The City of Tacoma’s Water Purchasing Division is seeking vendors to provide a variety of operating supplies (stock) for its…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Purchasing Division is seeking competitive quotations for a broad catalog of hardware and operating‑supply items…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Division is seeking competitive quotes for a broad set of non‑electrical hardware and operating supplies required…
- Hardware Non-Electrical (Stock), Chemicals (Stock), Hydrants & Parts (Stock), & Tools (Stock)
The City of Tacoma Water Purchasing Division is seeking price quotations for a variety of stock‑type, non‑electrical hardware, chemicals…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma’s Water Purchasing Division is seeking vendors to supply a variety of stock, non‑electrical hardware and operating…
- Tacoma Police Headquarters HVAC Decarbonization Upgrades (Rebid)
The City of Tacoma is seeking contractors to replace the mixed‑liquor channel pipe at the Central Wastewater Treatment Plant. This work…
- Central Wastewater Treatment Plant Mixed Liquor Channel Pipe Replacement Project
The City of Tacoma is seeking contractors to replace the mixed‑liquor channel pipe at the Central Wastewater Treatment Plant. This work…
- Cannon Hill Park Irrigation Replacement
The City of Spokane is seeking a qualified contractor to replace the irrigation system at Cannon Hill Park, an 8.7‑acre municipal park. The…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
The City of Tacoma Water Purchasing Division is seeking quotations for a broad list of standard‑specification, stock‑level hardware and…
- Hardware Non-Electrical (Stock) & Operating Supplies (Stock)
• 19 line‑item categories covering valves, fittings, clamps, couplings, gauges, and pipe‑cutting tools. • Strict compliance requirements…
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Recently awarded
Sewer Repair - Airport Welded Aluminum 18' River Jet Boat Cartridges, StormFilter Stormwater Filter Cartridges and Media Manhole Stormfilter Oil Water Separator System Bottled Water Delivery Service Plumbing Maintenance & Repair High Density Polyethylene Pipe Sanitary Sewer Engineering Services for County Airport, On-Call