Recent observations
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Bristol - South of Flag Island - Ottawa River
437 datapoints on 47 dates (May 28 2016 → September 28 2025)
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Lower Lievre River Masson - Lievre River
6 datapoints on 1 dates (September 14 2025 → September 14 2025)
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Upstream of Portage-du-Fort - Ottawa River
209 datapoints on 37 dates (September 14 2013 → September 02 2025)
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Lievre River Buckingham - Lievre River
6 datapoints on 1 dates (July 26 2025 → July 26 2025)
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Rideau River under Cummings Bridge - Rideau River
16 datapoints on 2 dates (September 29 2024 → June 29 2025)
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Upstream of Ile du Rocher Fendu - Ottawa River
38 datapoints on 6 dates (September 14 2013 → June 16 2025)
