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Columbia County approves $386,990 change order to complete UV advanced-oxidation water treatment project
Summary
The Columbia County Board of Commissioners approved Change Order No. 1 with MBcon Construction on April 15, 2025, increasing the UV advanced oxidation treatment contract by $386,990.83 to a total of $13,185,000. County staff said the system is functioning and will reduce taste and odor compounds in the water.
Columbia County commissioners on April 15 approved Change Order No. 1 with MBcon Construction Company to finish a UV advanced-oxidation treatment project, adding $386,990.83 and raising the contract total to $13,185,000.
County staff described the system as an advanced treatment step that reduces taste and odor compounds in the drinking water and removes some contaminants tied to algal activity. A county staff member told commissioners the original contract was “just shy of $12,800,000” and that negotiations and…
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