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

Cornwall, Ontario, Canada

Observed by
Katherine Tieman

Observed on: Fri, 25 Jul 2025 13:16:00 -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) 8.0

Dissolved oxygen mg/L 6.0

Chlorine ppm 0.0

Hardness mg/L 180.0

Alkalinity mg/L 90.0

Water depth m 0.07

Conductivity μS/cm 821.0

Air temperature °C 22.0

Water temperature °C 22.6

Insect

Current weather

Had just stopped raining

Weather in previous 24 hours

Thunderstorm overnight and then showers most of the morning

No photos uploaded.

Very turbid