Chobani Wastewater Pretreatment Facility


Wastewater Pretreatment Facility for the Chobani Yogurt Plant prior to discharging effluent into the City of Twin Falls Sanitary Sewer system. Includes a 6,410 sq ft single level pre-engineered steel building with mezzanine for Dissolved Air Flotation (DAF) process and various tanks and equipment for Upflow Anaerobic Sludge Blanket (UASB) process. Specialty items include: process pumps, tanks, compressors, reactor, biomedia filter, flare, and odor control system. Heating process includes a 12,000,000 btu calorix direct-fire burner system 1,900 sq ft heating building with heat exchangers, effluent sampler, and clean-in-place equipment. Site is adjacent to the Chobani Yogurt Plant.


Capabilities Utilized:


  • General Contracting Services
  • McAlvain self-performed 20% of the work with its own forces including concrete foundations, spread footings, tank footings, and equipment pads.