Grenadier Island

St. Lawrence River

Ontario, Canada

Sandy, rocky bottomed natural shoreline, covered in thick mats of Chara algae. There are trees falling into the water due to an eroding shore but they create habitat and protection for fish species.

Location created by
Emma Ehrenfeld

Group: River Rapport & Education : River Institute
Lat: 44.4025545
Lng: -75.885787
Waterbody Type: River
Timezone: America/Toronto

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Observations summary

Fish

Plant

Bird

Species at risk

Other Invasive

Observation tests summary

Air temperature °C

26.5 Latest

27.0 Average

2022-08-16 -> 2023-08-04

Water temperature °C

24.3 Latest

25.0 Average

2022-08-16 -> 2023-08-04

Alkalinity mg/L

80 Latest

100 Average

2022-08-16 -> 2023-08-04

Hardness mg/L

100 Latest

75 Average

2022-08-16 -> 2023-08-04

Dissolved oxygen mg/L

9.0 Latest

9.8 Average

2022-08-16 -> 2023-08-04

Conductivity μS/cm

270 Latest

277 Average

2022-08-16 -> 2023-08-04

Secchi depth m

0.0 Latest

0.0 Average

2022-08-16 -> 2023-08-04

Water depth m

1.0 Latest

0.7 Average

2022-08-16 -> 2023-08-04

Turbidity NTU

0.8 Latest

0.8 Average

2022-08-16 -> 2022-08-16

pH (0-14)

7.8 Latest

8.1 Average

2022-08-16 -> 2023-08-04