Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

25 August 2025

Whitehall Plain

15 parameters tested

algae, ammonia, clarity, colour, current weather, current weather description, flow, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water flow, water level

22 August 2025

Footbridge near Rangers Road

8 parameters tested

current weather, current weather description, flow, water surface, weather in the past 24hrs, weather in the past 24hrs description, water depth, water level

22 August 2025

Sainsbury's

5 parameters tested

algae, ammonia, clarity, odour, phosphate

21 August 2025

North Inlet

18 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, turbidity, water flow, water level, water use

21 August 2025

South Inlet

20 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), turbidity, water flow, water level, water temperature, water use

21 August 2025

Outlet

19 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, turbidity, water flow, water level, water temperature, water use

20 August 2025

North Inlet

9 parameters tested

clarity, colour, current weather, odour, water surface, pollution sources, weather in the past 24hrs, water flow, water level

20 August 2025

Outlet

9 parameters tested

clarity, colour, current weather, odour, water surface, pollution sources, weather in the past 24hrs, water flow, water level

20 August 2025

Outlet

9 parameters tested

clarity, colour, current weather, odour, water surface, pollution sources, weather in the past 24hrs, water flow, water level

20 August 2025

Broomfield Upper Lake NW Inlet

18 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, turbidity, water flow, water level, water use

20 August 2025

Broomfield Lower Lake SE Outlet

18 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, turbidity, water flow, water level, water use

20 August 2025

Broomfield Wetland SE Outlet

18 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, turbidity, water flow, water level, water use

20 August 2025

Friends Bridge

11 parameters tested

algae, ammonia, clarity, colour, conductivity, odour, water surface, phosphate, water flow, water level, water temperature

20 August 2025

Flood Relief Channel outflow

11 parameters tested

algae, ammonia, clarity, colour, conductivity, odour, water surface, phosphate, water flow, water level, water temperature

20 August 2025

The Charter Road (Gordon Avenue)

16 parameters tested

algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water flow, water level, water temperature

20 August 2025

Highams Park Lake

16 parameters tested

algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water flow, water level, water temperature

18 August 2025

Turkey Street (Downstream)

10 parameters tested

algae, ammonia, colour, conductivity, current weather, water surface, phosphate, weather in the past 24hrs, water flow, water level

18 August 2025

Turkey Street (Upstream)

8 parameters tested

algae, ammonia, conductivity, current weather, water surface, phosphate, weather in the past 24hrs, water flow

18 August 2025

Vincent Road

12 parameters tested

algae, ammonia, clarity, colour, conductivity, current weather, water surface, phosphate, weather in the past 24hrs, water flow, water level, water temperature

17 August 2025

Newgate Street

11 parameters tested

algae, ammonia, clarity, colour, current weather, odour, water surface, phosphate, weather in the past 24hrs, water flow, water level