Madawaska at Ottawa rivers : Mouth of Madawaska River

Arnprior, Ontario, Canada

Observed by
Pat Tait
pH (0-14) What's this? 6.0
Dissolved oxygen mg/L What's this? 10.0
Secchi depth m What's this? 2.2
Nitrates mg/L What's this? <5
Nitrites mg/L What's this? <0.5
Air temperature °C What's this? 18.0
Water temperature °C What's this? 13.0

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Notes

Secchi angle 20 degrees. fast flow. brown streaked foam on surface.