Vista Irrigation District Planet bids #VID2026-29

Vista Irrigation District groundwater treatment system for iron and manganese removal

Vista Irrigation District is seeking a complete groundwater treatment package for the Lake Henshaw Resort water system. - Government buyer: Vista Irrigation District, Finance Department; serving Wells No. 2 and No. 3 at Lake Henshaw Resort. - Procurement: One skid-mounted iron and manganese treatment system, with no specified OEM, model, or part number. It must handle variable flows of approximately 10–60 gallons per minute (about 9,000 gallons per day on average) and reduce both iron and manganese to below 0.01 mg/L. - System requirements: Include all components needed for treatment, including chlorine injection equipment and manganese dioxide filter media listed to NSF/ANSI Standard 61. Equipment that contacts treated groundwater must be NSF 61 certified; filter vessels and appurtenances must be rated for at least 125 psi and suitable for outdoor conditions. Include sampling ports, liquid-filled pressure gauges, adjustable backwash flow control, internal backwash, and filter-to-waste capability. - Supplier support: Deliver the system and equipment to the site; provide installation questions support and up to four site visits of up to eight hours each for media installation, startup, operational verification, and staff training on operation and backwashing. District staff will install and connect the system. - Named prospective bidders/vendors: AGC San Diego Planroom, Alumichem USA, Big Bear Electric Inc, Engineered Fluid Inc., Integrated Sustainability, Jennette Company, Inc., Kiewit Infrastructure West Co., Lucky Frog Industries Inc, MISCOwater, N2W ENGINEERING, Pacific Hydrotech Corporation, PAX Water Technologies, Inc., SCW Contracting Corp., SRK Engineering, and Water Works Engineers. The notice does not identify any of these companies as the system OEM.

Description

Vista Irrigation District is seeking proposals for a complete skid-mounted groundwater treatment system for the Lake Henshaw Resort water system. The system must treat up to 60 gallons per minute from Wells No. 2 and No. 3 and reduce iron and manganese concentrations to below 0.01 mg/l each. District staff will install and connect the system, and proposals will be evaluated with emphasis on efficiency and ease of operation and maintenance, not solely cost. Proposals must be submitted electronically through PlanetBids by December 9, 2026.

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