# Wastewater Bids & RFPs in California (10 Open)

As of Oct 23, 2026, BidRover lists 10 open wastewater bids and RFPs in California, 4 of them posted in the last 7 days, collected from official government procurement sources. Every listing shows its title, category, region and deadline free; a free account adds weekly email alerts for new wastewater bids.

Wastewater treatment plant upgrades, biosolids handling, sludge hauling and operations for sewer utilities.

- Open bids: 10
- New this week: 4
- Newest posted: Oct 21, 2026

## Open bids (page 1 of 1)

- [Greenfield Wastewater Treatment Plant Upgrade Project](https://bidrover.com/bids/greenfield-wastewater-treatment-plant-upgrade-project--e14faba4-d2b9-4c87-bbd0-f4991de9c9e6) — Environmental & energy · California, United States · Due Nov 10, 2026
- [Redlands Wastewater Treatment Plant Upgrades Phase 2](https://bidrover.com/bids/redlands-wastewater-treatment-plant-upgrades-phase-2--4696c7aa-bf38-4f33-a7be-f0e5199bbb24) — Environmental & energy · California, United States · Due Nov 12, 2026
- [Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 in CA](https://bidrover.com/bids/main-wastewater-treatment-plant-secondary-reactors-rehabilitation-phase-2-in-ca--e879f81a-de44-4e58-8c80-6a12ac504d53) — Environmental & energy · California, United States · Due Nov 18, 2026
- [Franklin County - Sewer Collection System and WWTP Improvements (C-06-8304-210), Merced, CA](https://bidrover.com/bids/franklin-county-sewer-collection-system-and-wwtp-improvements-c-06-8304-210-merc--f1c44986-44dc-4160-8c6a-e903ed9dcbfa) — Construction & facilities · California, United States · Due Nov 19, 2026
- [C5613442-D Non-Hazardous Sludge Removal, Hauling and Refuse Services](https://bidrover.com/bids/c5613442-d-non-hazardous-sludge-removal-hauling-and-refuse-services--4c1cc5a1-1931-420b-b236-21ec28bbb532) — Environmental & energy · California, United States · Due Nov 18, 2026
- [A&E On-Call Water & Wastewater Project Development and Construction Design Support Services, District 59.](https://bidrover.com/bids/59a1428-a-and-e-on-call-water-and-wastewater-project-development-and-constructio--4801e1bc-8298-4217-8f9c-2b2080f67a63) — Construction & facilities · California, United States · Due Oct 29, 2026
- [City of Greenfield Wastewater Treatment Plant Upgrade Project](https://bidrover.com/bids/city-of-greenfield-wastewater-treatment-plant-upgrade-project--5c7c45c2-5d16-44c5-a377-5eb9eb52b787) — Environmental & energy · California, United States · Due Nov 10, 2026
- [OCA AIR | TC68415 Disposal of Biosolids](https://bidrover.com/bids/oca-air-tc68415-disposal-of-biosolids--f1512b17-7884-4f6e-b76d-260fa748bc99) — General procurement · California, United States · Due Nov 17, 2026
- [Greenfield Wastewater Treatment Plant Upgrade Project](https://bidrover.com/bids/greenfield-wastewater-treatment-plant-upgrade-project--212f2f0b-790f-40ba-a41f-663b0476fbb8) — Environmental & energy · California, United States · Due Oct 28, 2026
- [Greenfield WWTP](https://bidrover.com/bids/greenfield-wwtp--19ca5838-8d11-4d11-a578-08e0461d4bb2) — Construction & facilities · California, United States · Due Oct 28, 2026

## Frequently asked questions

### How many open wastewater bids in California are there?

BidRover lists 10 open wastewater bids in California; the newest was posted on Oct 21, 2026, and 4 were added in the last 7 days. The list is refreshed from official public sources every hour.

### What do public buyers purchase under wastewater?

Wastewater treatment plant upgrades, biosolids handling, sludge hauling and operations for sewer utilities. BidRover matches notices to this topic by the words in their titles.

### Can I see wastewater bids in California for free?

Yes. Each open bid's title, category, region and deadline date is free with no account, and a free account gets weekly email alerts. The Team plan ($19/mo) adds the buyer, source link, notice ID, documents, match scores and daily alerts.

### How do I get alerts for new wastewater bids in California?

Use "Email me new bids" on this page. Free accounts get a weekly email with the basics; Team sends daily alerts with match scores, buyer and the source link.

## Wastewater bids elsewhere

- [Wastewater in New York](https://bidrover.com/bids/topic/wastewater/state/new-york) — 8 open
- [Wastewater in United States](https://bidrover.com/bids/topic/wastewater/country/united-states) — 39 open

## Related topics

- [Hazardous Waste in California](https://bidrover.com/bids/topic/hazardous-waste/state/california) — 12 open
- [Conservation & Natural Resources in California](https://bidrover.com/bids/topic/conservation/state/california) — 7 open
- [Environmental Remediation in California](https://bidrover.com/bids/topic/environmental-remediation/state/california) — 7 open
- [Waste Management in California](https://bidrover.com/bids/topic/waste-management/state/california) — 7 open
- [Recycling in California](https://bidrover.com/bids/topic/recycling/state/california) — 6 open
- [Water Treatment in California](https://bidrover.com/bids/topic/water-treatment/state/california) — 5 open
- [Broadband in California](https://bidrover.com/bids/topic/broadband/state/california) — 50 open
- [Telecommunications in California](https://bidrover.com/bids/topic/telecommunications/state/california) — 21 open
- [HVAC in California](https://bidrover.com/bids/topic/hvac/state/california) — 19 open
- [Consulting in California](https://bidrover.com/bids/topic/consulting/state/california) — 17 open

- [All California bids](https://bidrover.com/bids/state/california)
- [Wastewater bids everywhere](https://bidrover.com/bids/topic/wastewater) — 73 open
- [All bid topics](https://bidrover.com/bids/topics)

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BidRover lists bids from official public sources. It is not an issuing authority; confirm requirements, amendments and submission instructions in the official notice before responding.