Summary of quantitative results
Guidelines for exceedances are based on:
United Kingdom
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Chemistry tests
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Pymmes Brook in Barnet
Waterfall Walk 1 (Upstream) has data for oxygen, ammonia, phosphates, conductivity, water_temperature, turbidity, water_flow, colour, water_level, clarity, algae, odour, previous_weather, current_weather, pollution_sources, on_the_water_s_surface, and water_use from 1 May 2023 to 29 January 2026.