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Where is Sawmill Creek?

We walk along segments of Sawmill Creek but where does it come from and where does it go?

The image below is of “natural features” from Erin Mills New Town, April 1969, p. 1.4. Please note the three branches of Sawmill Creek north of Burnhamthorpe and south of hydro, oil pipeline, Hwy 403. 

Image of natural features in Erin Mills New Town p. 1.4.jpeg

The image below is an aerial photo, circa 1969, of the area that was to become Erin Mills, from Erin Mills New Town, April 1969. Please note the original fairly straight Burnhamthorpe Rd. running east-west. Fifth Line (later Erin Mills Parkway) only went as far north as Burnhamthorpe Rd. where it stopped at the Dunn Farm including the future 4099 Erin Mills Parkway. Fifth Line continued north starting at Base Line (now Eglinton). I have drawn in a pencil line to show approximately the new Parkway between Burnhamthorpe and Eglinton, that joined the two parts of Fifth Line.

Aerial Photo of Erin Mills circa 1969 with Erin Mills Parkway pencilled in.jpg

Below see an "existing land use", circa 1969, chart from Erin Mills New Town at 1.5. Notice the three parts of Sawmill Creek north of Burnhamthorpe.

Existing Land Use as of 1969 p. 1.5.jpg

There are very good diagrams of the existing, much reduced, Sawmill Creek at the Region of Peel web site. See https://www.peelregion.ca/waterstory/#module2

The image below shows the existing westernmost and centre branch of Sawmill Creek from Folkway Drive to Dundas Street where it connects with the Credit River.

Sawmill Creek 2023 between Folkway and Dundas from Region of Peel web site.jpg

The easternmost branch of Sawmill Creek north of Burnhamthorpe is buried (in a drain under Sawmill Valley Drive). See the close up image below of Erin Mills South north of Burnhamthorpe, taken fro the Region of Peel web site. Note that the westernmost and centre branches of the Creek, as it exists now, do not extend north of Folkway Drive. But where does all that water come from north of Folkway?

2023 Sawmill Creek in Erin Mills south from Region of Peel web site.jpg

A lot of Sawmill Creek has been replaced by drains, what the Region calls "Wastewater Main Greater Than 600".

Drains.jpg

The image below from the Region of Peel site shows the waste water system in Olde Burnhamthorpe that replaces the easternmost branch of Sawmill Creek. The easternmost branch of Sawmill Creek north of Burnhamthorpe is buried (in a drain under Sawmill Valley Drive. South of Burnhamthorpe it joins the other branches of the Creek.  

Waste Water Drains in Olde Burnhamthorpe.jpg

The image below from the Region of Peel site shows the waste water system in Arbour Green that combines with the drain under the centre branch of Sawmill Creek. Where does the surface water  in Sawmill Creek come from? We know that there are drains under the creek. But where does the water come from below Folkway Drive?

Drain System in Arbour Green.jpg

 

See also:

 

https://goo.gl/maps/naKBeoDSzJmmtt8c8  (Sawmill Valley Drive north of Burnhamthorpe)

 

and

 

https://www.mississauga.ca/events-and-attractions/parks/sawmill-creek/

 

 

The centre branch and westernmost branches of the Creek form ravines and walking trails.

 

https://localwiki.org/mississauga/West_Sawmill_Creek

 

https://www.mississauga.ca/projects-and-strategies/environmental-assessments/sawmill-creek-erosion-control-folkway-drive-to-erin-mills-parkway/

 

4099 Erin Mills Parkway is at Folkway Drive  between the easternmost branch (buried) and the centre/westernmost branch. 

Above see a number of links that help sort out the various parts of Sawmill Creek.

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