Rotary Creek

St. Lawrence River

Ontario, Canada

Location created by
River Institute

Group: River Rapport & Education : River Institute
Lat: 45.0111657
Lng: -74.7337608
Waterbody Type: River
Timezone: America/Toronto

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Observations summary

Fish

Plant

Bird

Crustacean

Phragmites

Zebra Mussels

Insect

Loosestrife

Reptile

Other Invasive

Eurasian Milfoil

Mammal

Observation tests summary

Air temperature °C

1.0 Latest

9.4 Average

2019-07-08 -> 2025-04-16

Water temperature °C

4.8 Latest

11.1 Average

2019-07-08 -> 2025-04-16

Alkalinity mg/L

80 Latest

108 Average

2019-07-08 -> 2025-04-16

Hardness mg/L

100 Latest

107 Average

2019-07-08 -> 2025-04-16

Dissolved oxygen mg/L

10.0 Latest

9.0 Average

2019-07-08 -> 2025-04-16

Conductivity μS/cm

285 Latest

275 Average

2019-07-08 -> 2025-04-16

Secchi depth m

0.0 Latest

0.0 Average

2019-07-08 -> 2025-04-16

Water depth m

0.4 Latest

0.4 Average

2019-07-08 -> 2025-04-16

pH (0-14)

7.5 Latest

7.1 Average

2019-07-08 -> 2025-04-16

Dissolved oxygen %

94.7 Latest

94.7 Average

2023-08-01 -> 2023-08-01

Turbidity NTU

0.8 Latest

0.8 Average

2023-08-01 -> 2023-08-01

Chlorine ppm

0.0 Latest

0.0 Average

2024-09-04 -> 2025-04-16

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