Tree Haven Canal

St Lawrence River

Ontario, Canada

Man-made canal system within the Charlottenburgh Marsh. Shallow, slow moving system.

Location created by
Emilie DeRochie

Group: River Institute : Upper St. Lawrence River Volunteer Monitoring
Lat: 45.1092007
Lng: -74.5144486
Waterbody Type: River
Timezone: America/Toronto

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Observations summary

Fish

Amphibian

Plant

Insect

Bird

Observation tests summary

Air temperature °C

27.0 Latest

21.1 Average

2022-06-25 -> 2025-07-26

Water temperature °C

27.4 Latest

19.8 Average

2022-06-25 -> 2025-07-26

Alkalinity mg/L

120 Latest

128 Average

2022-06-25 -> 2025-07-26

Hardness mg/L

100 Latest

106 Average

2022-06-25 -> 2025-07-26

Dissolved oxygen mg/L

8.0 Latest

7.6 Average

2022-06-25 -> 2025-04-28

Chlorine ppm

0.0 Latest

0.0 Average

2022-06-25 -> 2025-07-26

Conductivity μS/cm

360 Latest

421 Average

2022-06-25 -> 2025-07-26

Secchi depth m

1.1 Latest

0.6 Average

2022-06-25 -> 2024-07-28

pH (0-14)

7.2 Latest

7.4 Average

2022-06-25 -> 2025-07-26

Water depth m

1.2 Latest

0.8 Average

2022-08-29 -> 2024-03-30

Ice On

Ice Off

2022-10-30
2022-08-29