Cornwall : St Lawrence River

Ontario, Canada

Observed by
Katherine Tieman

Observed on: Fri, 01 Aug 2025 08:10:00 -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) 7.6

Dissolved oxygen mg/L 11.0

Secchi depth m bottom visible

Chlorine ppm 0.0

Hardness mg/L 100.0

Alkalinity mg/L 60.0

Water depth m 0.05

Conductivity μS/cm 309.0

Air temperature °C 18.0

Water temperature °C 23.1

Plant

Insect

Bird

Current weather

Weather in previous 24 hours

No photos uploaded.

Double-crested cormorant