pH (0-14)
What's this?
8.4
Guidon Park area : St Lawrence River
Long Sault, Ontario, Canada

Observed by
James Hardiment
- Observed on: Tue, 19 Aug 2025 14:51:00 +0000
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Associated with:
River Institute : Upper St. Lawrence River Volunteer Monitoring - Lat: 45.0305483
- Lng: -74.8383755
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Dissolved oxygen mg/L
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9.0
Secchi depth m
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40.0
Chlorine ppm
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0.25
Hardness mg/L
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200.0
Alkalinity mg/L
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120.0
Water depth m
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40.0
Conductivity μS/cm
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300.0
Air temperature °C
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24.0
Water temperature °C
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23.2
Wildlife

Mammal
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Amphibian
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Fish
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Plant
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Insect
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Bird
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Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
Notes
I see birds, boaters, plant life on shore and in the water also below my kayak. The water is steady. Insects ducks and industry operating on shore.