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Saskatoon Wastewater Treatment Plant (WTP), Saskatchewan

Owner and Operator

Saskatoon City Utility Department

Current Rated Capacity

272,000 m³/day

Current Average Production

130,000 m³/day

Final Average Production

225,000 m³/day

Current Filter Capacity

331,000 m³/day

Chemical Dosing Limits (in mg/L)

30-70

Project Type

Wastewater treatment plant (WTP)

Ferric sulphate

40-70

Ammonia

<1.8

Chlorine

2-5

Fluoride

1.5

Potassium Permanganate

0.25 - 0.75

Operational Permit Limits

pH

9 (pH units)

Turbidity

1 (NTU)

Aluminium

0.2 mg/L

Residual Chlorine

3.0 mg/L

Copper

1 mg/L

Fluoride

1.5 mg/L

Lead

0.01 mg/L

Sodium

300 mg/L

Nitrate

45 mg/L

E. Coli

<1 (CFU/100ml)

Total Coliform

<1 (CFU/100ml)

Total Trihalomethanes

100 (ug/L)

Lifting Pump Capacities

Low Lift

300,000 m&#179;/day (136,000 m&#179;/day standby)

High Lift

455,000 m&#179;/day (139,000 m&#179;/day standby)

UV System Cost

$13m

Filter Plant Expansion Cost

$17.7m

Estimated Total WTP Expansion Cost

$130m

Wastewater Project Cost

$2.3m

Flood Mitigation Scheme Cost

$2m

Project Type

Wastewater treatment plant (WTP)

Work Began

2004

New Sludge Handling Facility Construction Began

Summer 2004

New Operations Facility Completed/ Chlorination System Upgrade Began

2005

New CO<span class="Sub">2</span> Treatment System Began Operation; Sludge Handling Facility Completed; Maintenance Building Construction Began; Completion of Reservoir Placement Strategic Study; Raw Water Intake/Pump-house Construction Began

2006

Replacement of The Plant Low Lift Buildings; Upgrade of Clarifier Mechanics

2007

Filter Plant Expansion; UV Facility Construction; 42nd Street Pump-House Expansion; New Water Intake Construction; Flood Mitigation & Wastewater Initiatives Begin

2008

New High Lift Pumping Facility Construction

2009

Enhancement of Disinfection Systems

2010

Anticipated Full Project Completion

2014

Plant Owners/Operators

Saskatoon City Utility Department

Modelling/Design and Construction Services

Associated Engineering

Process Control Systems

Sceptre

Automation Upgrades

Phase1

Regulatory Bodies

Saskatchewan Environment (Permit to operate) & Health Canada (water quality)

Master Water Supply Agreement Partners

Sask Water Corporation
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