Summary of quantitative results
Guidelines for exceedances are based on:
United Kingdom
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Chemistry tests
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Cranleigh Waters in Surrey
Ashen Copse has data for water_temperature, air_temperature, phosphates, hardness, alkalinity, ph, chlorine, current_weather, previous_weather, current_weather_description, water_flow, water_level, clarity, on_the_water_s_surface, colour, and odour from 26 November 2023 to 27 July 2025.