RFB for the City of Santa Ana PFAS Treatment at John Garthe Reservoir, Contract No. SA-2025-1
The Orange County Water District (“OCWD” or District) is seeking bids for The City of Santa Ana PFAS Treatment System at John Garthe Reservoir project includes construction of a twelve ion exchange pressure vessels, three pre-treatment cartridge filter vessels, and on-site sodium hypochlorite generation system with chemical storage for the removal of PFAS and disinfection of raw water produced from City Wells 18, 32, 36 and 39. The project includes sand separator installation for Well 32; well pump and motor upgrades and piping replacements for Wells 18, 36 and 39; replacement of the existing hydro-generator; piping improvements; construction of a new Well 39 electrical building and Well 18 well building; electrical and control improvements; programming; site improvements; and landscaping.
To view the bid documents, please visit ocwdplanroom.com.
RFB Documents:
- Addendum No. 1 – Posted 10/17/2025
- Mandatory Site Walk and Mandatory Virtual Pre-Bid Conference Attendees – Posted 10/17/2025
- Virtual Pre-Bid Conference Presentation – Posted 10/17/2025
- Addendum No. 2 – Posted 10/21/2025
- Addendum No. 3 – Posted 10/29/2025
- Addendum No. 4 – Posted 11/5/2025
- Addendum No. 5 – Posted 11/12/2025
- Addendum No. 6 – Posted 11/13/2025
- Addendum No. 7 – Posted 11/20/2025
- Addendum No. 8 – Posted 12/3/2025
- Bid Opening Results
Solicitation Schedule:
| RFB Issued | Tuesday, September 30, 2025 |
| Mandatory Virtual Pre-Bid Conference | Monday, October 13, 2025 at 2:00 PM PT Zoom link: https://ocwd.zoom.us/j/87826415534 Meeting ID: 878 2641 5534 |
| Mandatory Project Site Walk | Tuesday, October 14, 2025 at 9:00AM PT located at 2401 N. Bristol Street, Santa Ana, CA 92706 |
| Questions Due | Monday, October 27, 2025 at 5:00PM PT |
| Bids Due | Thursday, December 11, 2025, by 2:00PM PT |
For questions, please contact at procurement@ocwd.com.