Duffins & Carruthers Creek Watersheds Resources
A watershed plan for Duffins Creek and Caruthers Creek was cpmpleted in August 2003. This project was a three year efort involving local and regional municipal governments, watershed residents and non-government agencies. It is an example of emerging approaches for watershed management in Ontario, reflecting a continuum of advancements in adapting ecosystem and sustainability principles.
A Watershed Plan - for Duffins and Carruthers Creek
• Table of Contents - 209KB
• Chapter 1 - 207KB
• Chapter 2 - 251KB
• Chapter 3 - 90KB
• Chapter 4 - 313KB
• Chapter 5 - 962KB
• Chapter 6 - 1.56MB
• Chapter 7 - 1.998MB
• Chapter 8 - 97KB
• Chapter 9 - 170KB ![]()
The Duffins Creek and Carruthers Creek State of the Watershed Reports
The Duffins Creek State of the Watershed Report contains the following 14 chapters as separate pdf files:
• Introduction - 1.08MB
• Study Area - 3.64MB
• Human Heritage - 2.40MB
• Greenspace, Trails and Recreation - 3.07MB
• Land Use - 5.11MB
• Air Quality - 1.23MB
• Climate - 2.44MB
• Surface Water Quality - 3.70MB
• Surface Water Quantity - 3.41MB
• Stormwater Management - 3.26MB
• Fluvial Geomorphology - 911KB
• Hydrogeology - 4.54MB
• Aquatic Habitat and Species - 2.17MB
• Terrestrial Natural Heritage - 5.00MB ![]()
The Carruthers Creek State of the Watershed Report contains the following 14 chapters as separate pdf files:
• Introduction - 1.06MB
• Study Area - 1.64MB
• Human Heritage - 1.77MB
• Greenspace, Trails and Recreation - 738KB
• Land Use - 1.37MB
• Air Quality - 1.23MB
• Climate - 2.44MB
• Surface Water Quality - 1.62MB
• Surface Water Quantity - 1.58MB
• Stormwater Management - 1.59MB
• Fluvial Geomorphology - 1.04MB
• Hydrogeology - 5.23MB
• Aquatic Habitat and Species - 881KB
• Terrestrial Natural Heritage - 4.12MB![]()
Background Technical Reports
• Introduction - 1,132KB
• 1-DryWetWeather Report - 638KB
• 2-Hydrogeology LandUse - 38,212KB
• 3-Duffins Hydrology update - 30,708KB
• 4-AGNPS Report - 20,949KB
• 5-Low-flow Report - 41,624KB
• 6-Waterbudget Report - 2,648KB
• 7-Integration Report - 50,336KB
• 8-Ratings Report - 290KB
• 9-Water Quality - 664KB
• 10-Executive Sum Duffins - 1,011KB ![]()
Order a CD of the Watershed Plan
Please provide a mailing address to order a CD of the Watershed Plan and supporting reports. Send request to: gbowen@trca.on.ca
Duffins Creek and Carruthers Creek Links
• City of Pickering
• Town of Ajax
• Town of Uxbridge
• Town of Whitchurch-Stouffville
• Durham Region
• Town of Markham
• York Region
• Green Space Project
Contact Us
If you have questions or comments about the Duffins or Carruthers Creek watersheds, contact Gary Bowen, Watershed Specialist, gbowen@trca.on.ca or (416) 661-6600, extension 5385 or Maryam Nassar, Project Manager, Duffins Carruthers, (416) 661-6600, extension 5937 or mnassar@trca.on.ca
Green Space Project:On March 23, 2001, Transport Minister David Collenette announced, that the federal government will take immediate action to further protect the federally owned portion of the Oak Ridges Moraine and areas around the Rouge Park as green space.
Following that announcement the Green Space Project was set up to work with community, environmental groups and other federal and provincial agencies.

