Summary of quantitative results
Guidelines for exceedances are based on:
United Kingdom
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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
Footbridge beside Waterworks Centre into Waterworks Nature Reserve in Waltham Forest
River Lea Flood Relief Channel has data for colour, clarity, previous_weather, current_weather, previous_weather_description, current_weather_description, ammonia, phosphates, on_the_water_s_surface, water_flow, water_level, turbidity, odour, algae, water_temperature, and water_use from 8 June 2025 to 9 May 2026.
This data is part of a bigger dataset, Lea Guardians.