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California · Water and Wastewater
California Water and Wastewater Government Bids & RFPs
- New this week
- 16
- Agencies posting
- 43
- Closing this week
- 9
50+ open California water and wastewater bids are on Bid Banana right now, from 43 agencies, led by The Metropolitan Water District of Southern California, California Department of Water Resources and Santa Clara Valley Water District. 9 close in the next seven days.
Open California water and wastewater bids
Closing soonest first.
- Sewer Rehabilitation in Clinton, Fruit, McKinley, and West Avenues
The City of Fresno is seeking qualified contractors to perform extensive sewer rehabilitation across four city avenues. The work includes…
- WILMORE ELECTRONICS DC-DC POWER CONVERTERS (97 Units)
The Metropolitan Water District of Southern California is seeking bids to supply and deliver ninety‑seven (97) new, unused Wilmore…
- C26863023 CANDLESTICK POINT SRA - Restroom Repairs
This solicitation seeks a qualified contractor to upgrade five existing sewage lift stations and associated restroom facilities at…
- ANTISCALANT (PRETREAT PLUS 0100), MFR. KING LEE TECHNOLOGIES
The City of Los Angeles General Services Department is issuing an RFQ for the supply of an antiscalant chemical (Pretreat Plus 0100)…
- IFB No. 130797 March ARB Annual Backflow Testing and Certification, March Air Reserve Base (ARB)
The California Military Department is seeking a qualified plumbing contractor to perform annual inspection, testing, and certification of 33…
See all 50 open California water and wastewater bids
- HVAC Preventative Maintenance, Repair, and Emergency Response Services
Western Municipal Water District (Western Water) is seeking a qualified contractor to deliver a two‑year, firm‑fixed‑price contract for…
- Barlow Barranca Channel Replacement
- North City Water Reclamation Plant Filter Media Cleaning
The City of San Diego’s Public Utilities Department is seeking a qualified contractor to clean and replenish the filter media at the North…
- Coyote Valley Dam (CVD) Lake Mendocino Sewage and Septic Services
This Sources Sought Notice is a market research effort by the U.S. Army Corps of Engineers to identify small‑business firms capable of…
- Bottled Drinking Water
The State of California is issuing a statewide Invitation for Bid to establish a three‑year contract (with two optional one‑year extensions)…
- Request For Bids - Bel Air & Del Mar Pipeline Replacement (EN2027-04)
The Monte Vista Water District is seeking bids for the complete replacement of the Bel Air & Del Mar water transmission line in the City of…
- Well No. 10 GAC Treatment and System Upgrades
The City of Norwalk is seeking qualified contractors to design, construct, and commission a comprehensive Granular‑Activated‑Carbon (GAC)…
- Iron and Manganese Treatment at Well 31
The City of Clovis is seeking a qualified contractor to design, supply, install, test, and commission a 600‑gpm iron‑and‑manganese removal…
- Secondary Clarifier No 1 Rehabilitation Project
The City of Santa Rosa is seeking a contractor to rehabilitate Secondary Clarifier No 1 at the Laguna Wastewater Treatment Plant. The work…
- Install and repair drainage system.
The California Department of Transportation seeks a qualified contractor to install and repair a drainage system along a corridor in Los…
- Smart Controller and Automatic Landscape Irrigation System Repair and Maintenance Services
The California Department of Transportation is seeking a qualified contractor to provide comprehensive repair and maintenance services for…
- USCGC TERRELL HORNE – SEWAGE PIPING RENEWAL
The United States Coast Guard is seeking a SAM‑registered small business to provide a firm‑fixed‑price quotation for the renewal of damaged…
- REDLANDS WASTEWATER TREATMENT PLANT UPGRADES - PHASE 2 - REBID
The City of Redlands is seeking a qualified contractor to execute Phase 2 upgrades of its municipal wastewater treatment plant. The work…
- IFB 10222572 - Portable Toilet Rentals and Septic Holding Tank Pumping Services
The California Department of Water Resources (DWR) Delta Field Division is seeking a contractor to provide portable chemical‑toilet rentals…
- San Francisco Intertie Valves and Joints
The Santa Clara Valley Water District is seeking qualified vendors to supply, deliver, and install a set of high‑performance…
- Densified Activated Sludge Demonstration
The Central Contra Costa Sanitary District is seeking qualified general contractors to install owner‑furnished hydrocyclone and…
- SEWER PIPELINE REHABILITATION FY 21/22
The City of Chula Vista is seeking a qualified contractor to rehabilitate approximately 2,510 linear feet of 8‑inch sewer main using…
- WWTP Electrical Improvements – Phase 1
- IFB 10222573 - Portable Toilet Rentals and Septic Holding Tank Pumping Services
The Department of Water Resources seeks a qualified contractor to supply, install, and maintain a fleet of portable chemical‑toilet units…
- Water Main Replacement along Mary Street
- Rio Ramaza Septic System Project
- On-Call Mechanical Maintenance Services
Valley Water is seeking a qualified contractor to provide on‑call mechanical maintenance, repair, fabrication, and emergency dispatch…
- Drainage Benefit Assessment Areas (DBAA3) – Hydrauger Replacements
- Lindenberger Road Pipeline Replacement
The Eastern Municipal Water District (EMWD) is seeking qualified contractors to replace aging water transmission mains along Lindenberger…
- R.M. LEVY WATER TREATMENT PLANT FILTER REHABILITATION PROJECT
- As-Needed Water Parts and Equipment
- UT 1065 FY2026-27 Water Main Improvements
The City of Ontario is seeking a qualified contractor to replace approximately 10,292 ft of aging water‑distribution mains in its downtown…
- Operations Center Vactor Decanting Station
- Purified Water Replenishment SJV Advanced Water Purification Facility
The project calls for the design‑build, construction, installation, testing, and commissioning of a new advanced water‑purification plant…
- Solids Removal and Disposal Services for MWD Skinner Water Treatment Plant
The Metropolitan Water District of Southern California seeks qualified contractors to remove, haul, and dispose or recycle all…
- WD-2914 Bay Division Pipelines Nos. 1 Through 4 Lining and As-Needed Pipeline Repairs
An electronic version of the bidding forms, contract specifications, drawings, and available project information are available by request…
- WRP Grit Classifier Replacement Project
The City of San Clemente is seeking a qualified contractor to replace two grit‑classifier trains at its Water Reclamation Plant. The work…
- Deionized Water Services
Riverside Transit Agency (RTA) is seeking qualified contractors to provide monthly de‑ionized water services for its bus‑wash rinse station…
- Fleming Hill SCADA Fiber Replacement Project
The City of Vallejo Water Department is seeking a qualified contractor to replace and upgrade the fiber‑optic structured‑cabling and…
- Municipal Groundwater Well Drilling Contractors
The City of Sacramento’s Department of Utilities is seeking pre‑qualified contractors to design, drill, construct, and complete municipal…
- Municipal Plunge Equipment Repairs
The City of Culver City is seeking a qualified contractor to provide on‑call repair and replacement services for the Municipal Plunge…
- WATER WELL REHABILITATION PROGRAM FY2026/2027
The City of Riverside is soliciting bids to rehabilitate an existing municipal potable‑water well (Thorne 12) located in San Bernardino. The…
- CONNECTOR PIPE SCREEN (CPS) PHASE 4 PROJECT NO. 13683 CONTRACT NO. SD 26-003
The City of San Bernardino is soliciting bids to design, fabricate, install, and commission 120 stainless‑steel Connector Pipe Screens (CPS)…
- RFP Watering & Planting Maintenance Srvcs. Wohler
The County of Sonoma is seeking proposals from qualified consultants to perform watering, re‑planting, plant establishment, ongoing plant…
- As-Needed Plumbing Services
The City of Long Beach is seeking a qualified plumbing contractor to provide comprehensive, as‑needed plumbing maintenance, repair, and…
- IFB 26-21 ONGOING PIPELINE REPLACEMENT (CIP WW26-12)
The City of Beaumont is soliciting bids to replace aging water‑distribution pipe at two municipal sites. The contractor will trench, remove…
- Purchase and Delivery of Filled and Unfilled Sandbags
This solicitation seeks a qualified vendor to supply and deliver both filled and unfilled sandbags for flood‑control and emergency response…
- Water and Wastewater (Sewer) Rate Study and Annual Proposition 218 True-Up Analysis Service (City of Milpitas)
- OCA AIR | Trailer-Mounted Sewer Jetter
The City and County of San Francisco, on behalf of San Francisco International Airport, is seeking a qualified supplier to provide one new…
New California water and wastewater bids in one email digest, daily or weekly.Get bids like this by email →
Recently closed California water and wastewater bids
- Hydrant Repair Parts
El Dorado Irrigation District seeks a qualified vendor to supply a full inventory of fire‑hydrant repair parts (kits, extensions, valve…
- Hydrant Repair Parts
El Dorado Irrigation District (District), an irrigation special district organized and existing under the California Irrigation District Law…
- 26RS0012 - Water Testing and Analysis Services
The California Department of Veterans Affairs is seeking a qualified California‑registered small or micro business to provide comprehensive…
- Water Filtration & RO Systems and Services
The County of Orange, Sheriff-Coroner is seeking bids for the rental and maintenance of twenty-five reverse osmosis systems. The contractor…
- 2026 CIP SEWER PIPELINE & MANHOLE REPLACEMENT PROJECT
The City of Redlands is seeking sealed proposals to replace approximately 3,300 linear feet of aging sanitary sewer pipelines and associated…
- Well 24 Facilities Improvement Project
Show 44 more
- EXT REC | CON27-0007R Lincoln Park Irrigation MLBE
The City of San Francisco is re‑advertising a single‑lot irrigation contract for Lincoln Park. The scope includes full design‑build…
- SEWER CCTV INSPECTION & CONDITION ASSESSMENT
The City of El Cajon seeks a qualified contractor to provide comprehensive CCTV inspection and condition‑assessment services for its…
- Copper Tubing
The City of Santa Ana is seeking a qualified vendor to supply and deliver new copper service pipe (Type K, ASTM B88) on an as‑needed basis…
- IFB Dewatering Well Water Pump Removal, Installation, and Repair Services, Los Angeles and Ventura Counties.
The California Department of Transportation (Caltrans) is seeking a qualified contractor to provide comprehensive dewatering well‑water pump…
- EFFLUENT 66-INCH VALVE REPLACEMENT
The City of Riverside is seeking bids to replace a 66‑inch butterfly valve at its Regional Water‑Quality‑Control Plant. The city has already…
- FURNISH AND DELIVER SODIUM HYPOCHLORITE TO VARIOUS DISTRICT FACILITIES
The Los Angeles County Sanitation Districts are seeking qualified suppliers to furnish and deliver approximately 9.7 million gallons per…
- FREIGHTLINER 114SD PLUS OR EQUAL W/ CNG-POWERED 10-YARD SINGLE-ENGINE SEWER CLEAN/VACUUM TRUCK
The City of Glendale is seeking a single new CNG‑powered 10‑yard sewer‑cleaner/vacuum truck (Freightliner 114SD Plus or equivalent) to…
- CITYWIDE SEWER MAIN TELEVISING AND LINE CLEANING MAINTENANCE SERVICES
The City of Chino seeks a qualified contractor to provide comprehensive sewer‑line maintenance across the municipality, including hydro‑jet…
- CC 1698 - Well 4 Facilities Upgrades
The City of Huntington Beach is seeking a qualified contractor to replace and upgrade the Well 4 production facility that feeds the Peck…
- Bacteriological Water Testing and Analysis Services
The State of California’s Department of Water Resources is seeking a qualified laboratory to provide comprehensive bacteriological testing…
- Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A - ADVERTISEMENT ONLY
The City of San Diego is seeking a prime contractor (and qualifying joint‑venture partners) to execute Alvarado Trunk Sewer Phase IV and…
- J046--Reverse Osmosis PM
This sources‑sought notice seeks vendors capable of providing preventive‑maintenance (PM) and repair services for reverse‑osmosis (RO)…
- IFB #10222357 - Boat Portage Services
The California Department of Water Resources is seeking a qualified contractor to provide seasonal boat‑portage services for two temporary…
- WRCRWA Primary Clarifier #2 Rehabilitation
The Western Riverside County Regional Wastewater Authority (WRCRWA) is seeking a qualified contractor to fully rehabilitate Primary…
- As-Needed Potable Water Wells Rehabilitation Services, Project# 95097
The City of Pomona is seeking qualified contractors to provide on‑call, as‑needed well‑rehabilitation services for its municipal…
- FIRE HYDRANT INSTALLATION PROJECT
Western Municipal Water District seeks a qualified contractor to install five new fire hydrants (Phase 1) in Riverside County, California…
- Transmission Main Renewal Phase 2
The City of Santa Barbara is seeking qualified contractors to perform a comprehensive renewal of its water transmission main (Phase 2). The…
- C26863016 HEARST SAN SIMEON SHM - Reservoir #3 Water Treatment Plant Upgrade
The State of California’s Department of Parks and Recreation is soliciting a qualified general‑engineering/general‑building contractor to…
- 146799 WOD TREATMENT OPS LAAFP 2027 SHUTDOWN KELLUNDITE DIFFUSERS
• Scope: shutdown, removal, refurbishment, and re‑installation of Kellundite diffuser units. • Delivery method: electronic submission…
- Savana Lateral and Savana Lateral “A” Pipeline Replacement Improvements
- RFP - Water Billing and Customer Service Support
Menlo Park is seeking a single vendor (or a partnered team) to provide a fully outsourced water‑billing and customer‑service solution for…
- BID 2627-008 Portable Restrooms
Snowline Joint Unified School District is seeking bids for the purchase of three new four‑station portable restroom trailers. The contract…
- IFB 10220866 Geological Exploration Drilling
The State of California Department of Water Resources is seeking a qualified contractor to provide full‑service geological exploration…
- On-Call Construction Inspection Services
The Elsinore Valley Municipal Water District (EVMWD) is seeking up to three qualified consulting firms to provide on‑call construction…
- EXT REC | CON27-0007 Lincoln Park Irrigation- MLBE
The City and County of San Francisco is seeking a qualified contractor to perform irrigation work at the Lincoln Park Golf Course. The…
- Copper Basin Reservoir Discharge Valve Replacement
The Metropolitan Water District of Southern California is soliciting sealed bids for the complete removal and replacement of the existing…
- 25-312368.FMD.Backflow
The State of California’s Department of General Services is seeking a qualified plumbing contractor to provide comprehensive backflow…
- Hydrochloric Acid 15% and Sodium Hypochlorite 12.5% with Tank Rentals
The County of San Luis Obispo is seeking competitive bids for the supply of 15 % Hydrochloric Acid and 12.5 % Sodium Hypochlorite, along…
- Vera Cruz Well Abandonment Project
The City of Santa Barbara is seeking bids to fully abandon and demolish the municipal Vera Cruz well and its above‑ground vault, remediate…
- On-Call Electrical Maintenance Services
Western Municipal Water District seeks qualified electrical contractors to enter into as‑needed agreements for on‑call and scheduled…
- 2026-27 GRADE 5 RAA LINE REPLACEMENT PROJECT
The City of Richmond is seeking a qualified contractor to replace deteriorated Grade 5 RAA sewer line segments throughout the city. The work…
- ON-CALL MANHOLE REHABILITATION SERVICES – RE-BID
The Los Angeles County Sanitation Districts are seeking qualified contractors to provide on‑call rehabilitation services for approximately…
- CLEAR CREEK WASTEWATER TREATMENT PLANT 2026 SLUDGE HAUL
The City of Redding is seeking a qualified contractor to haul approximately 3,400 tons of de‑watered sludge from Pond 2 at the Clear Creek…
- Cherry Avenue Sewer Improvement Project (SC-0512)
The City of Long Beach is soliciting bids for the Cherry Avenue Sewer Improvement Project, which entails installing approximately 3,100…
- 146938 PROVIDENCE- PIPE P250G
The Los Angeles Department of Water and Power (LADWP) is soliciting bids for the supply and delivery of a Providence‑P250G pipe. The…
- McCoy Lateral "D" Pipeline Replacement Improvements
- CCTV Inspection - Private Laterals
The City of Santa Barbara seeks a qualified contractor to provide CCTV video inspections of private sewer laterals (4‑ to 6‑inch) for its…
- IFB Drinking Water Testing in Shasta, Siskiyou, Lassen, Plumas, and Tehama Counties
The California Department of Transportation (Caltrans) seeks a qualified, ELAP‑certified laboratory to perform comprehensive drinking‑water…
- Groundwater Well and Treatment Improvement Project (Packet 3)
- REMOVAL, DISPOSAL, INSTALLATION OF FILTER MEDIA IN FILTERS 1, 2, AND 3 AT WTP 2
- Purchase of One Automatic Sandbag Filling and Sewing System
The Santa Clara Valley Water District is soliciting bids for a single, new, factory‑assembled automatic sandbag filling and sewing system…
- Citywide Storm Drain Catch Basin Filters Phase II
The City of Corona is seeking qualified, Class “A” General Engineering contractors to install storm‑drain catch‑basin filtration devices…
- Rental of Propane Water Heater (600,000 BTU/hr) and associated components
The Navy is seeking qualified vendors to lease a propane‑powered temporary water‑heater system (minimum 600,000 BTU/hr) for use at Naval…
- 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…
Recently awarded
Bid#24/25 - CP2004 Well No.34 - Pumping Plant for a Municipal Water Well Bid#24/25 - CP2001 Fourth St. Water Replacement Between Morton Ave & Henderson Ave 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
More California and water and wastewater bids
FAQs
How many California water and wastewater bids close this week?
9 open California water and wastewater bids close in the next seven days.
Which agencies post the most California water and wastewater bids?
Right now: The Metropolitan Water District of Southern California, California Department of Water Resources and Santa Clara Valley Water District, by number of open water and wastewater bids in California on Bid Banana.
Are past California water and wastewater bids available?
Yes. Bid Banana holds 550+ closed California water and wastewater solicitations; the most recent are listed on this page.