Groundwater discharge as a source of phosphorus to Southern Georgian Bay in the Wasaga Beach area: septic systems (old and new) and other sources


Environment and Climate Change Canada

Project Lead

Jim Roy, Research Scientist Science and Technology Branch Watershed Hydrology and Ecology Research Division

Project Dates

2013 - 2016

Project Location

Wasaga Beach Provincial Park

  • 4 comfort station septic systems (groundwater sampling)
  • 10 sites from 67th St to 17th St (multi-level wells, shallow groundwater sampling)
  • 2 sites east of 17th St (shallow groundwater sampling)

Project Parameters

  • Artificial sweeteners
  • Soluble reactive phosphorus
  • Ammonium
  • Major cations
  • Major anions
  • Water table level
  • Conductivity
  • Temperature
  • pH
  • Dissolved oxygen


  • Multi-level monitoring wells installed in 2014
  • Water table monitored continually from Oct 2015-Oct 2016 at one of the comfort station septic beds
  • Shallow groundwater samples collected in 2014 at 10 sites, in 2015 at 4 comfort station sites, and in 2016 at 2 sites east of 17th St

Resources & Documents

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