Near Montreal Rd. Culvert outflow, outside of pit : St. Lawrence River

Cornwall, Ontario, Canada

Observed by
Katherine Tieman

Observed on: Thu, 17 Jul 2025 10:18:00 -0400
Testers Katherine Tieman
Associated with:
River Institute : Upper St. Lawrence River Volunteer Monitoring
Lat: 45.0178311
Lng: -74.7009373

Observation report

Pending Quality Check from Water Rangers What's this?

pH (0-14) 7.7

Dissolved oxygen mg/L 6.0

Secchi depth m bottom visible

Chlorine ppm 0.0

Hardness mg/L 150.0

Alkalinity mg/L 100.0

Water depth m 0.14

Conductivity μS/cm 401.0

Air temperature °C 25.0

Water temperature °C 24.3

Plant

Insect

Current weather

Heat wave

Weather in previous 24 hours

Heat wave

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Very turbid