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 water_level, ammonia, on_the_water_s_surface, colour, algae, pollution_sources, odour, previous_weather, current_weather, phosphates, water_temperature, conductivity, clarity, and water_flow from 23 March 2025 to 20 February 2026.