Cornwall : St Lawrence River

Ontario, Canada

Observed by
Katherine Tieman

Observed on: Fri, 25 Jul 2025 09:58:00 -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) 7.9

Dissolved oxygen mg/L 11.0

Secchi depth m bottom visible

Chlorine ppm 0.0

Hardness mg/L 120.0

Alkalinity mg/L 80.0

Water depth m 0.14

Conductivity μS/cm 304.0

Air temperature °C 24.5

Water temperature °C 23.6

Bird

Current weather

Had just stopped raining

Weather in previous 24 hours

Thunderstorm overnight and showers most of the morning

No photos uploaded.

Canadian geese