Cornwall Harbour Bay : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Stephany Hildebrand
  • Observed on: Wed, 18 Jun 2025 18:29:00 -0400
  • Lat: 45.0164245
  • Lng: -74.7067094

Observation report

See trends at this location

Water quality tests

Pending Quality Check from Water Rangers What's this?

pH (0-14) What's this? 7.5
Secchi depth m What's this? bottom visible
Chlorine ppm What's this? 0.0
Hardness mg/L What's this? 200.0
Alkalinity mg/L What's this? 80.0
Water depth m What's this? 1.0
Conductivity μS/cm What's this? 290.0
Air temperature °C What's this? 27.0
Water temperature °C What's this? 21.7

Wildlife

Fish
Fish What's this?
Bird
Bird What's this?

Weather

Current weather What's this?
Very warm and humid
Weather in previous 24 hours What's this?
Very warm and humid

Latest photos

No photos uploaded.

Notes

Underwater observations
- Smallmouth bass seen on nests with eggs
- Vegetation still hasn't grown in
- School of small minnows seen along the edge of the water
- A school of suckers in the deeper areas feeding on vegetation
- Thick layer of periphyton on rocks and bottom