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 in Ontario
St. Lawrence River has data for ph, secchi_depth, hardness, alkalinity, water_depth, conductivity, air_temperature, water_temperature, current_weather, current_weather_description, previous_weather, and oxygen from 13 July 2025 to 13 July 2025.
This data is part of a bigger dataset, Upper St. Lawrence River Volunteer Monitoring.