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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Collecting data in the field? We now have apps for iOS and Android. Visit the App Store or Google Play Store and search for "Water Rangers" Learn more
Grand River in Ontario
Blair Trail near Fountain Street Bridge has data for on_the_water_s_surface, conductivity, pollution_sources, odour, water_flow, water_level, secchi_depth, Ice on, water_use, air_temperature, water_temperature, current_weather, previous_weather, oxygen, chlorine, ph, chloride, hardness, alkalinity, colour, clarity, algae, current_weather_description, and previous_weather_description from 23 November 2025 to 7 July 2026.
This data is part of a bigger dataset, Lake Erie Rangers Monthly Monitoring.