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Council approves $435,000 low‑flow irrigation system to stop sand infiltration at Timnath Reservoir
Summary
After several seasons of sand infiltration and costly potable water use, council approved a contract with Polarized Water Solutions to build a new above‑ground filtration and storage system to run the reservoir landscaping from on‑site wells. The vendor's low bid was $435,000; the total project estimate on staff materials was $1,406,000.
Town staff told council on Feb. 11 that the Timnath Reservoir irrigation system has suffered repeated sand infiltration since 2022 and that the town relied on expensive potable water in 2023–24 while temporary fixes were tested.
Staff presented a redesigned system that moves filtration above ground, adds two 21,000‑gallon enclosed storage tanks, four filtration stages (down to 1 micron), electrical pumping and telemetry for remote operation. The layout is intended to allow steady low flows to reduce agitation of sand in the wells, permit easier…
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