Cornwall Island North Shore : St. Lawrence River

Ontario, Canada

Observed by
Emma Ehrenfeld

Observation report

See trends at this location

Water quality tests

✓ Quality checked by Water Rangers What's this?

pH (0-14) What's this? 7.8
Dissolved oxygen mg/L What's this? 7.5
Secchi depth m What's this? bottom visible
Hardness mg/L What's this? 100.0
Alkalinity mg/L What's this? 120.0
Water depth m What's this? 0.75
Conductivity μS/cm What's this? 296.0
Turbidity NTU What's this? 1.19
Air temperature °C What's this? 27.5
Water temperature °C What's this? 24.1

Wildlife

Fish
Fish What's this?
Plant
Plant What's this?
Insect
Insect What's this?
Bird
Bird What's this?
Crustacean
Crustacean What's this?

Invasive Species

Phragmites
Phragmites What's this?
Loosestrife
Loosestrife What's this?
Zebra Mussels
Zebra Mussels What's this?
Other Invasive
Other Invasive What's this?
Eurasian Milfoil
Eurasian Milfoil What's this?

Weather

Current weather What's this?
overcast and very humid
Weather in previous 24 hours What's this?
Hot and humid, rainy and cloudy

Latest photos

Notes

Fish: Alewife, yellow perch, bluntnose minnow, rock bass, round goby, blackchin shiner, mimic shiner.

Birds: Belted kingfisher.

Plants: Willow trees, coontail, tapegrass, Eurasian milfoil, cladophora algae, elodea, sago, dogwood, jewelweed, POISON IVY, star grass, bullrush, fragrant white waterlilies, phragmites, purple loosestrife, American groundnut, richardsons pondweed, arrowhead, Nito algae.

Invertebrates: Virile crayfish, caddisflies, damselflies, zebra mussels, marsh ramshorn.

Invasive species: Nito, phragmite, purple loosestrife, zebra mussels, round gobies.