As-Needed Prefabricated Concrete Drain Structures, Pipes and Parts
The City of San Diego is seeking a vendor to supply, and when necessary fabricate, a full range of prefabricated concrete storm‑drain…
Closed bids
Closed California Water and Wastewater Bids & RFPs
- Closed in the last 30 days
- 43
- Closed this year
- 300+
- Closed bids on record
- 500+
Bid Banana holds 500+ closed California water and wastewater solicitations. These are the 50 that closed most recently. In the last 12 months, the most California water and wastewater bids closed in April 2026 (50+); the agencies behind the most of the 50 most recent were California Department of Transportation, California Department of Water Resources and City of San Diego.
Recently closed
- Smart Controller and Automatic Landscape Irrigation System Repair and Maintenance Services
This solicitation calls for a qualified landscaping contractor to provide comprehensive repair, maintenance, and replacement services for…
- Magnolia Storm Drain Improvement Project
- PROCESSMASTER FEW632 ELECTROMAGNETIC FLOWMETER, MFR. ABB
The City of Los Angeles is issuing an RFQ for a single electromagnetic flowmeter, the PROCESSMASTER FEW632 manufactured by ABB. The…
- WATER CONSERVATION LANDSCAPE SERVICES - IFB 26C335002
The California Highway Patrol is seeking a qualified landscaping contractor to provide comprehensive water‑conservation landscape services…
- IFB 3CA07908 - Vehicle Wash Equipment Services
The California Department of Forestry and Fire Protection (CAL FIRE) is seeking a qualified contractor to provide comprehensive quarterly…
- WD-2877 As-Needed Ductile Iron Water Main Replacement at Various Locations No. 3
An electronic version of the bidding forms is available by request. To request these materials, email [email protected] with this Contract No…
- WD-2877 As-Needed Ductile Iron Water Main Replacement at Various Locations No. 3 [BID TABULATION]
An electronic version of the bidding forms is available by request. To request these materials, email [email protected] with this Contract No…
- IFB 10221194 - Crane Certification Services
The California Department of Water Resources is seeking a qualified contractor to provide comprehensive crane certification services across…
- Job Order Contract (JOC) Mechanical - Treatment Facilities
The City of San Diego is issuing a Job Order Contract (JOC) for mechanical work on water and wastewater treatment facilities. The contract…
Show 40 more
- Oakhurst Collection and Waste‑Water‑Treatment‑Plant (WWTP) SCADA Modernization Project
The County of Madera is seeking a qualified contractor to modernize the SCADA system that controls the Oakhurst wastewater collection lift…
- FURNISH AND DELIVER TWO H2S VESSELS TO CALABASAS LANDFILL
The County Sanitation Districts seeks a vendor to furnish and deliver two hazardous hydrogen sulfide (H2S) vessels for use at the Calabasas…
- TOXICITY TESTING ANALYTICAL SERVICES FOR SAN JOSE CREEK WATER RECLAMATION PLANT BIOLOGY LABORATORY
The Los Angeles County Sanitation Districts (LACSD) is soliciting proposals from qualified laboratories to perform marine and sediment…
- Product Purchase Contract for Fresno Northeast Surface Water Treatment Facility Polymer Batcher Equipment Replacement
The City of Fresno is seeking bids to supply and install two complete polymer batcher systems for its Northeast Surface Water Treatment…
- Illinois Forcemain Replacment
- C5613111-D, Rebid 1 Water Tank Maintenance
The State of California’s Department of Corrections and Rehabilitation is seeking a qualified contractor to provide comprehensive water‑tank…
- AI AND MACHINE LEARNING TOOLS FOR SEWER COLLECTION SYSTEM ANALYSIS
The Los Angeles County Sanitation Districts seek a vendor to design, develop, and implement artificial‑intelligence and machine‑learning…
- Request for Information on Water Desalination Equipment
The United States Marine Corps is seeking market information on water desalination equipment that could be deployed to Pacific island…
- C5613482-D - BACKFLOW PREVENTION DEVICES MAINTENANCE, TESTING, INSPECTION, CERTIFICATION, AND REPAIR SERVICES
The California Department of Corrections and Rehabilitation (CDCR) is seeking a qualified contractor to provide full‑service maintenance…
- On-Call Water Treatment Plant Maintenance Program
The City of Ontario is seeking a qualified contractor to provide an on‑call, one‑year water‑treatment‑plant (WTP) maintenance program with…
- IFPQ SB/MB OPTION-Irrigation Smart Controllers Services in San Diego County
The California Department of Transportation (Caltrans) is seeking a qualified small‑business, micro‑business, SB‑PW, or DVBE to provide…
- IFB Wastewater System Services at Honey Lake Safety Roadside Rest Area (SRRA) in Lassen County
The California Department of Transportation seeks a qualified contractor to provide comprehensive wastewater system services—including…
- HACH PRODUCTS
The Metropolitan Water District of Southern California is issuing a one‑year blanket purchase agreement (with up to two one‑year renewal…
- SURFACE WATER TREATMENT PLANT GRANULAR ACTIVATED CARBON (GAC) REPLACEMENT PROJECT
The City of El Paso de Robles is seeking a contractor to supply and install 80,000 lbs of virgin bituminous granular activated carbon (GAC)…
- C26740005 - Sewage Pumping Services - HSSSP Campground
The State of California Department of Parks and Recreation is seeking a qualified vendor to provide routine sewage‑holding‑tank and…
- Requirements Contract to Furnish & Install Polyethylene Water Service Replacements
The City of Fresno is seeking a qualified contractor to perform reactive replacement of existing polyethylene water service lines with…
- Equipment Rental Services - IFB 10220728
The Department of Water Resources (DWR) is seeking a contractor to provide on‑demand heavy‑equipment rental services for its warehouses in…
- 146834 PIPE, BUS, COPPER, 20'
The Los Angeles Department of Water and Power (LADWP) is issuing an Invitation for Bid (IFB) to procure copper pipe bus assemblies, each 20…
- Embedded Piping Services (So Cal) IFB # 10213720
The Department of Water Resources seeks a qualified contractor to provide comprehensive embedded piping services across its hydroelectric…
- IFB # 10213699- Northern Embedded Pipining Services
The California Department of Water Resources is soliciting bids for comprehensive embedded piping services at its hydroelectric and related…
- 710-SH - WATER WELL SYSTEMS MAINTENANCE SERVICES - Closing: Continuous
The Los Angeles County Sheriff’s Department is seeking qualified companies to enter into Master Agreements to provide Water Well Systems…
- RFP for Well No. 20 Rehabilitation Project
The City of Merced is seeking a qualified contractor to rehabilitate Municipal Drinking Water Well #20 located at 887 S. Tyler Rd., Merced…
- Abandonment of Old Pirate Drive Private Water Well
The City of Huntington Beach is seeking a qualified contractor to fully abandon an existing 6‑inch private water well on Old Pirate Drive…
- IFB 4CA07924 - Water Testing
The California Department of Forestry and Fire Protection (CAL FIRE) is seeking qualified contractors to provide water‑testing services for…
- STORMWATER FIELD SERVICES
The Port of Stockton is seeking qualified stormwater field services consultants to support its Phase I MS4 Storm Water Management Program…
- IFB-Wastewater Sampling, Testing, Analysis, and Reporting in Los Angeles County
The contract requires a contractor (or subcontractors) to perform comprehensive wastewater sampling, testing, analysis, and reporting for…
- 25-312523.FMD.LegionellaRemediation
The State of California’s Department of General Services is seeking contractors to provide on‑call Legionella remediation and reduction…
- RFB for Supply and Deliver y of Cationic Polymer Emulsion
The City of Merced’s Wastewater Treatment Facility is seeking sealed competitive bids to supply and deliver cationic polymer emulsion (a…
- 4CA07891 Septic System Services
The California Department of Forestry and Fire Protection (CAL FIRE) is seeking a contractor to provide comprehensive septic system…
- Laboratory Analysis Services
The City of San Diego’s Public Utilities Department (EMTS Division) seeks a qualified laboratory to provide comprehensive analytical testing…
- RFP #11000 Professional Design Services - San Lucas
The County of Monterey is seeking a qualified engineering firm to provide professional design services for a new public water system serving…
- FLOW MEASURING SYSTEMS
The Metropolitan Water District of Southern California is seeking qualified suppliers to provide new, unused ultrasonic flow‑metering…
- FY26-27 Annual Drainage Rehabilitation Project
The City of Encinitas is seeking a contractor to rehabilitate and repair its existing storm‑drain system. Work includes installing…
- RIVERSIDE REGIONAL WATER QUALITY CONTROL PLANT HEADWORKS OVERFLOW
The City of Riverside is soliciting bids for the construction of an overflow outlet at the Riverside Regional Water Quality Control Plant…
- P2460003: San Joaquin Hatchery Water Plant Maintenance
The California Department of Fish and Wildlife is seeking a qualified contractor to perform semimonthly inspection, preventive maintenance…
- Citywide Catch Basin Connecter Pipe Screen (CPS) Installation Project
The City of Azusa is seeking a qualified contractor to install Catch Basin Connector Pipe Screens (CPS) throughout the city. The contractor…
- Citywide Catch Basin Connector Project
The City of Azusa has announced the results of its competitive bid for a city‑wide catch‑basin connector pipe installation project. Three…
- 26CS0011 - LEGIONELLA WATER TESTING SERVICES
The California Department of Veterans Affairs (CalVet) is soliciting competitive sealed‑bid proposals for a three‑year contract to provide…
- C26925007 - San Onofre Sewer Tank & Sand Trap Vault Pumping
The State of California Department of Parks and Recreation is seeking a contractor to provide sewer‑tank and sand‑trap vault pumping…
- Harbor Gateway Water Features: Water Treatment and Maintenance Services
The City of Los Angeles Harbor Department is seeking bids for water treatment and maintenance services for the Harbor Gateway Water…
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Recently awarded
Citywide Catch Basin Connector Pipe Screen (CPS) Installation Project Washington & Taft ES Irrigation Improvements Project Bid No 956 Washington ES Irrigation Improvements Project Bid No 966 Taft ES Irrigation Improvements Project Bid No 967 District Wide Seismic Valve Project Bid No 898 School for Adults Irrigation Improvements Project Bid No 955 Bid for Supply & Delivery of Water Works Parts & Materials BID for Cooper Avenue Sanitary Sewer Lift Station BID for Water Materials for Project# 120052 BID for WWTP Well 2 Pump and Piping