NE of Colebrook, Ontario : Upper Napanee River (NE of Colebrook Dam)

Ontario, Canada

Observed by
Lawrence O'Keeffe
pH (0-14) What's this? 9.0
Dissolved oxygen mg/L What's this? 4.5
Hardness mg/L What's this? 150.0
Alkalinity mg/L What's this? 150.0
Water depth m What's this? 1.0
Conductivity μS/cm What's this? 252.0
Air temperature °C What's this? 25.0
Water temperature °C What's this? 22.8

Latest photos

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Notes

Overcast morning. The duckweed has started to form along the shoreline.

No wildlife observed and very few dragonflies compared to normal at this time of year.

pH appears higher in this area than all other areas along the other test sites. The norm is around 7.0-7.5.

All deciduous trees in this area compared to lower downstream where the riparian zone is primarily coniferous.

Water moves very slowly in this area.