Summary of quantitative results
Guidelines for exceedances are based on:
Canada
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Chemistry tests
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Grand River in Ontario
Pioneer Tower Bridge has data for on_the_water_s_surface, previous_weather, current_weather, Ice on, chloride, conductivity, water_temperature, air_temperature, clarity, water_level, water_flow, algae, previous_weather_description, current_weather_description, odour, colour, water_use, and pollution_sources from 21 December 2024 to 25 December 2025.