pH (0-14)
What's this?
7.5
Near Montreal Rd. Culvert outflow, outside of pit : St. Lawrence River
Cornwall, Ontario, Canada

Observed by
Katherine Tieman
- Observed on: Thu, 19 Jun 2025 09:50:00 -0400
- Testers Katherine Tieman
-
Associated with:
River Institute : Community-based Water Monitoring - Lat: 45.0178311
- Lng: -74.7009373
Observation report
See trends at this locationWater quality tests
Pending Quality Check from Water Rangers What's this?
Dissolved oxygen mg/L
What's this?
5.0
Secchi depth m
What's this?
bottom visible
Chlorine ppm
What's this?
0.0
Hardness mg/L
What's this?
250.0
Alkalinity mg/L
What's this?
180.0
Water depth m
What's this?
0.04
Conductivity μS/cm
What's this?
587.0
Air temperature °C
What's this?
21.0
Water temperature °C
What's this?
20.8
Wildlife
Weather
Current weather What's this?
Weather in previous 24 hours What's this?
Latest photos
No photos uploaded.
Notes
Painted and pond slider turtles. Many snapping turtles laying eggs nearby. Great blue heron. Construction on road nearby. High turbidity in the area.