Saskatoon Wastewater Treatment Plant, Saskatchewan, Canada
Key Data:
WTP
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)
Lime
30-70
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 m³/day (136,000 m³/day standby)
High Lift
455,000 m³/day (139,000 m³/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 Timeline:
Work Began
2004
New Sludge Handling Facility Construction Began
Summer 2004
New Operations Facility Completed/ Chlorination System Upgrade Began
2005
New CO2 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
Key Players:
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
