Pt. Petre Provincial Wildlife Area

Lake Ontario at Soup Harbour

Ontario, Canada

Walk or drive down the first dirt road to the lake at the sign for Pt. Petre. At the rocky beach shoreline Lake Ontario can be accessed for testing. Just tested along the shore using our golf ball retriever to reach out into the water a short distance. Depending on wind conditions this area can be subject to undertow so not advisable to go out very far into the lake at times like that. Today was moderately windy with some small whitecaps on the lake further out. Lake is much higher now than it will be in summertime.

Location created by
Don Ross
  • Lat: 43.8540418
  • Lng: -77.1600294
  • Waterbody Type: Unknown
  • Timezone: America/Toronto

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Observations Summary

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Observation Tests Summary

pH (0-14)
What's this?
8.7 Latest
8.2 Average
Water Temperature ℃
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24.2 Latest
15.1 Average
Air Temperature ℃
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25.0 Latest
16.7 Average
Dissolved Oxygen (mg/L)
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6.0 Latest
7.4 Average
Phosphates total (ppm)
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5.0 Latest
5.3 Average
Secchi Depth (m)
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0.0 Latest
0.0 Average
Conductivity (uS/cm)
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272 Latest
304 Average
Alkalinity (mg/L)
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100 Latest
101 Average
Hardness (mg/L)
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175 Latest
211 Average
Water Depth (m)
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0.1 Latest
0.1 Average

Ice On

Ice Off

  • 2019-04-18
  • 2018-04-01