Cornwall : St Lawrence River

Ontario, Canada

Observed by
Katherine Tieman

Observed on: Thu, 17 Jul 2025 08:15:00 -0400
Testers Katherine Tieman
Associated with:
River Institute : Upper St. Lawrence River Volunteer Monitoring
Lat: 45.016
Lng: -74.7014

Observation report

Pending Quality Check from Water Rangers What's this?

pH (0-14) 7.7

Dissolved oxygen mg/L 10.0

Secchi depth m bottom visible

Chlorine ppm 0.0

Hardness mg/L 120.0

Alkalinity mg/L 50.0

Water depth m 0.07

Conductivity μS/cm 310.0

Air temperature °C 23.0

Water temperature °C 23.6

Plant

Insect

Bird

Current weather

Heat wave

Weather in previous 24 hours

Heat wave

No photos uploaded.

Canadian Geese