How to bid on Palmyrita PFAS plant construction for the City of Riverside

What the City is buying

The City of Riverside’s Public Utilities Department is seeking a contractor for site modifications at the Palmyrita Water Treatment Plant to support PFAS removal. The estimated value is $37 million.

The work includes ion-exchange treatment systems and media coordination, a prefilter, booster pump station, concrete, piping, electrical and instrumentation equipment, SCADA integration, a backup generator, paving and other site improvements. The contractor will also provide commissioning, startup, training, documentation and acceptance testing.

Key dates and the bid deadline

A pre-bid meeting is scheduled for October 28, 2026, at 9:00 AM. The bid deadline is November 24, 2026, at 5:00 PM ET.

Submit the bid electronically through PlanetBids before the deadline. Plan to finish the submission early enough to address portal steps or document issues.

Who this opportunity suits

This construction opportunity may suit firms experienced with water treatment plant construction and complex coordination across process equipment, piping, civil work, electrical systems and controls.

Bidders need a California A contractor license. Firms should also consider whether they can manage commissioning, SCADA integration, training and acceptance testing as part of the complete project.

How to access and submit the bid

Open the City of Riverside listing for solicitation RPU-8289 on PlanetBids. The scope, dates and document list are public; the portal may ask you to complete a “confirm you are human” check before the page loads.

To download documents, receive addenda and bid electronically, register a free PlanetBids vendor account with the agency. Review the listing and submit your electronic bid before the due date.

Prepare a complete, competitive response

Read the plans, specifications, bid forms and any addenda carefully. Make a checklist of every requested form, attachment, signature and submission step, and confirm that your California A license information is ready.

Build your estimate around the full scope, including equipment, installation, testing, site work, traffic control, controls integration, commissioning and training. Check that your schedule and staffing account for coordination among these parts.

Track addenda through PlanetBids and reflect any changes in your pricing and response. Before submitting, verify that all required files are included and that the portal confirms receipt.