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Montreal Rd. Culvert outflow : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman

Observed on: Thu, 17 Jul 2025 10:08:00 -0400
Testers Katherine Tieman
Associated with:
River Institute : Upper St. Lawrence River Volunteer Monitoring
Lat: 45.0178305
Lng: -74.7007442

Observation report

Pending Quality Check from Water Rangers What's this?

pH (0-14) 7.6

Dissolved oxygen mg/L 11.0

Secchi depth m bottom visible

Chlorine ppm 0.0

Hardness mg/L 200.0

Alkalinity mg/L 95.0

Water depth m 0.59

Conductivity μS/cm 901.0

Air temperature °C 25.0

Water temperature °C 20.0

Plant

Insect

Current weather

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Weather in previous 24 hours

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