Land use effects on nutrient and algae in the Middle and Lower Nottawasaga River and the Minesing Wetland


McMaster University

Project Lead

Pat Chow-Fraser, Professor Faculty of Science

Project Dates


Project Location

Nottawasaga River

  • 15 stations along main branch (between Alliston and Wasaga Beach)
  • 4 of 15 sites within the Minesing Wetlands

Project Parameters

  • Total phosphorus
  • Total nitrogen
  • Total nitrate nitrogen
  • Total ammonia nitrogen
  • Chloride
  • Colour
  • Total suspended solids
  • Total organic suspended solids
  • Chlorophyll-a
  • pH
  • Temperature
  • Conductivity
  • Turbidity
  • Dissolved oxygen
  • Soluble reactive phosphorus
  • coli
  • Periphyton AFDM


  • Physical and chemical variables measured monthly June-Sept
  • coli measured once during July
  • Longitudinal survey completed during first week of July
  • Continuous monitoring stations June – Oct, measurements recorded every hour

Resources & Documents

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