Summary of quantitative results
Guidelines for exceedances are based on:
United Kingdom
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Chemistry tests
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The Ching in Waltham Forest
Folly Lane EA monitoring point has data for algae, colour, clarity, previous_weather, current_weather, water_level, water_flow, on_the_water_s_surface, pollution_sources, phosphates, water_temperature, conductivity, ammonia, and odour from 23 March 2025 to 3 April 2026.
This data is part of a bigger dataset, Lea Guardians.