Summary of quantitative results
Guidelines for exceedances are based on:
Canada
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Chemistry tests
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Martindale Pond in Ontario
Henley Island Boathouse has data for current_weather_description, colour, algae, water_use, on_the_water_s_surface, previous_weather, current_weather, Ice on, water_temperature, conductivity, chloride, air_temperature, clarity, water_level, previous_weather_description, water_flow, pollution_sources, and odour from 27 January 2025 to 26 October 2025.