# City of Riverside PlanetBids #RPU-8289

Palmyrita Water Treatment Plant PFAS-Removal System and Site Construction

**Posted:** October 15, 2026
**Respond By:** November 24, 2026
**Identifier:** RPU-8289
**NAICS:** 237110, 237990, 221310

The City of Riverside is seeking a contractor to build and equip PFAS-removal improvements at the Palmyrita Water Treatment Plant.
- **Government buyer:** City of Riverside, Public Utilities Department; Finance Department, Purchasing Division.
- **Opportunity:** Site modifications and an ion-exchange (IX) treatment system for PFAS removal at the Palmyrita Water Treatment Plant (Bid No. RPU-8289).
- **OEMs and vendors:** No equipment OEMs, brands, or equipment vendors are named. Riverside Public Utilities’ Instrumentation and Controls specialist is identified for coordination on controls and SCADA integration.
- **Equipment and quantities:** The summarized bid schedule comprises 22 lump-sum items, each with a quantity of 1. Items identified include an IX treatment system and appurtenances, IX media, a prefilter system, booster pumps, motors and pump station, site and chemical piping and valving, a well flowmeter vault, Riverside Canal connections, electrical equipment and appurtenances, and an emergency backup generator. No part numbers or manufacturer models are provided.
- **Construction and services:** Plant construction and site modifications, including demolition, concrete, grading, drainage, stormwater controls, paving, walls, access ways, landscaping and irrigation replacement, and traffic control. Work also includes instrumentation and controls, programming and SCADA integration, commissioning, startup, pressure and acceptance testing, disinfection and bacteria testing, training, Operations and Maintenance manuals, record drawings, and construction safety measures.
- **Notable requirements:** Complete construction and systems integration; coordinate SCADA programming with the utility’s Instrumentation and Controls specialist; provide testing, training, and O&M documentation. The bidder must hold a valid California A General Engineering Contractor license and provide a bid guarantee equal to 10% of the bid.
- **Estimated value and performance:** Estimated value is $37 million. The stated performance duration is 700 days; start and end dates are not specified.

### Description

The City of Riverside Public Utilities Department is soliciting bids for site modifications at the Palmyrita Water Treatment Plant for PFAS removal. Work includes furnishing and installing an ion exchange treatment system and associated prefilters, pumps, piping, electrical and instrumentation systems, and a backup generator. The scope also includes structural concrete, site and paving improvements, connections to the treatment plant and distribution system, traffic control, SCADA integration, commissioning, testing, training, and operations and maintenance documentation. Bids must be submitted electronically, with a 10% bid bond, by November 24, 2026.

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