Modelling References Section

The Toronto and Region Conservation Authority Engineering Services department utilizes hydrologic and HEC-RAS hydraulic models to aid in enforcing policies and regulations intended to ensure that new developments are located outside of the flood risk area.

All hydrology/hydrologic modelling reports are shown below:

Etobicoke Creek Watershed
Etobicoke Creek Hydrology Update
Etobicoke Creek Hydrology _ APRIL 2013_Final Report
Composed by MMM Group Limited
Final Report, April 2013

Mimico Creek Watershed
Final Report Hydrologic Modelling Mimico Creek
Final Report Hydrologic Modeling Mimico Creek-Dec-2009
Composed by MMM Group Limited
Final Report, Dec 2009

Humber River Watershed

Humber River Hydrology Update
Humber Hydrology Update Final Report v19.1
Composed by Civica Infrastructure Inc.
Final Report, June 2015

Summary Report for Digital Floodline Mapping for the East Humber River,
within the Town of Richmond Hill
120416 Digital Floodplain Mapping for East Humber River – Town of Richmond Hill
Composed by R.J. Burnside & Associates Limited
Final Report, May 2012

Don River Watershed
Don River Hydrology Update
don hydrology report3
Composed by Marshall Macklin Monaghan
Final Report, 2004

Highland Creek Watershed
Highland Creek Hydrology Update
2004 Highland Creek Hydrology Update
Composed by Aquafor Beech Limited
Final Report, Dec 2004

Duffins Creek Watershed
Duffins Creek Hydrology Update
2012 Duffins Creek Hydrology Update
Composed by Aquafor Beech Limited
Final Report, Feb 2013

Rouge River Watershed
Currently being updated. 

Petticoat Creek Watershed
Petticoat Creek Watershed Hydrology Update
2005 Petticoat Creek Watershed Hydrology Update
Composed by Greenland Consulting Engineers
Final Report, Oct 2006

Carruthers Creek Watershed
Carruthers Creek Flood Management & Municipal Class EA
2011 Carruthers Creek Watershed Hydrology Update
Composed by Cole Engineering
Final Report, Oct 2011

Frenchman’s Bay Watershed
Currently being developed.

Contact us for more information:
Engineering Services, Restoration and Infrastructure 
416-661-6600 Ext. 5619