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Tooele City
​Wastewater Treatment Facility, Trident Press, and Solar Drying Facility


AQUA Engineering provided engineering design and construction management services for the Tooele Water Reclamation Facility Upgrade Phases 1A and 1B. The work included expanding both the liquid and solids treatment processes at the facility. The liquid stream improvements included new headworks equipment, additional aeration capacity in the oxidation ditches, a new secondary clarifier, and conversion from chlorination to UV disinfection. The solids portion of the plant was improved through the addition of an aerobic solids holding tank, dewatering screw presses, and a solar drying facility. These improvements restored the original plant’s hydraulic capacity and provided additional capacity as the City grows. The solar drying facility, along with onsite solids storage, allows the treatment of biosolids meeting Class B and Class A requirements. Additionally, the quantity of solids to be removed from the plant has been greatly reduced.
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Project Study:
Client
Tooele City
Reference
*Available upon request
Location
Tooele, UT
Size
3.4 MGD
Cost
$3.2 Million
Features
  • 3.4 MGD Biological and Solids Treatment Process Expansion Plan
  • Hydraulics, Process Overflows, and Plant Improvements
  • Conveyance Structures Hydraulic Model
  • Hydraulic Capacity Restoration and 3.4 MGD Expansion
  • Biological Modeling for Oxidation Ditch Capacity Increase
  • Diffused Aeration
  • Overall Plant Power Usage Efficiency Increase
  • Concrete Sludge Holding Tank
  • Fine Bubble Diffusers
  • UV Disinfection Building
  • Concrete Solar Drying Beds
  • Dewatering Building
  • Sludge Conveyors
  • Rotary Lobe Pumps

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Secondary Treatment Plant & 18 MGD Water Expansion

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AQUA Engineering
Utah Office
533 W 2600 S Suite 275
Bountiful, UT 84010
801.299.1327​
Colorado Office
7935 E Prentice Avenue, Suite 100
​Greenwood Village, CO 80111
720.667.1250
Oregon Office
12725 SW Milikan Way, Suite 300
​Beaverton, OR 97005
801.683.3733
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