Location

Cornwall

St Lawrence River

St Lawrence River in Ontario

Dataset summary

Cornwall has data for ph, chlorine, hardness, alkalinity, air_temperature, water_temperature, conductivity, oxygen, secchi_depth, water_depth, Ice on, current_weather, previous_weather, previous_weather_description, and current_weather_description from 13 September 2019 to 22 August 2025.

45.016, -74.7014

Summary of quantitative results

Guidelines for exceedances are based on: Canada

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Recent photos

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