Rotary Creek

St. Lawrence River

Ontario, Canada

Location created by
River Institute

Latest photos

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Observations summary

Fish
6
Plant
29
Plant What's this?
Bird
23
Crustacean
2
Crustacean What's this?
Phragmites
28
Phragmites What's this?
Zebra Mussels
3
Zebra Mussels What's this?
Insect
6
Insect What's this?
Loosestrife
3
Loosestrife What's this?
Reptile
1
Reptile What's this?
Other Invasive
2
Other Invasive What's this?
Eurasian Milfoil
2
Eurasian Milfoil What's this?
Mammal
3
Mammal What's this?

Observation tests summary

Air temperature °C
1.0 Latest
9.4 Average
Water temperature °C
4.8 Latest
11.1 Average
Alkalinity mg/L
80 Latest
108 Average
Hardness mg/L
100 Latest
107 Average
Dissolved oxygen mg/L
10.0 Latest
9.0 Average
Conductivity μS/cm
285 Latest
275 Average
Secchi depth m
0.0 Latest
0.0 Average
Water depth m
0.4 Latest
0.4 Average
pH (0-14)
7.5 Latest
7.1 Average
Dissolved oxygen %
94.7 Latest
94.7 Average
Turbidity NTU
0.8 Latest
0.8 Average
Chlorine ppm
0.0 Latest
0.0 Average

Ice On

  • 2025-02-26
  • 2025-02-05
  • 2025-01-29
  • 2025-01-22
  • 2025-01-15
  • 2025-01-09

Ice Off

  • 2025-04-16
  • 2025-04-16
  • 2025-03-19
  • 2024-12-18
  • 2024-12-11
  • 2024-11-27
  • 2024-11-26
  • 2024-11-14