Summary of quantitative results
Guidelines for exceedances are based on:
Canada
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Physical tests
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Chemistry tests
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St. Lawrence River in Ontario
St. Lawrence College has data for Ice on, air_temperature, water_temperature, conductivity, oxygen, chlorine, ph, alkalinity, hardness, current_weather, previous_weather, algae, water_level, secchi_depth, water_depth, aquatic_vegetation, current_weather_description, and previous_weather_description from 10 November 2024 to 6 May 2026.
This data is part of a bigger dataset, Upper St. Lawrence River Volunteer Monitoring.