Location

River Lea diversion

River Lea diversion

River Lea diversion in Waltham Forest

Dataset summary

River Lea diversion has data for on_the_water_s_surface, water_depth, conductivity, air_temperature, water_temperature, algae, odour, clarity, pollution_sources, water_flow, water_use, water_level, colour, current_weather, current_weather_description, previous_weather, previous_weather_description, ammonia, phosphates, turbidity, ph, and secchi_depth from 11 March 2025 to 24 April 2025.

51.601293, -0.044804

Summary of quantitative results

Guidelines for exceedances are based on: United Kingdom

  • Chemistry tests

    • Ammonia

      mg/L

      Hanna checker (ammonia - low range)

      0.08

      Latest

      0.06

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Ammonia

      mg/L

      Hanna checker (ammonia - medium range)

      0.13

      Latest

      0.22

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Phosphates

      mg/L

      Hanna checker (phosphates - low range)

      0.48

      Latest

      0.48

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Phosphates

      mg/L

      Hanna checker (phosphates - high range)

      0.19

      Latest

      0.24

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • pH

      Other pen-type meter (pH)

      0.4

      Latest

      0.4

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

    • Turbidity

      NTU

      Turbidity tube (45 cm)

      0.01

      Latest

      0.01

      Average

      Not enough data for trend yet

      Trendlines will appear once three sampling dates are entered

  • Physical tests

View observation list ›

Location description
Diversion off Lea navigation and overflow from Lockwood reservoir