Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

27 July 2025

Whitehall Outfalls

11 parameters tested

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

26 July 2025

Whitehall Plain

13 parameters tested

ammonia, clarity, colour, 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

26 July 2025

Footbridge near Rangers Road

12 parameters tested

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

26 July 2025

Turkey Street (Upstream)

9 parameters tested

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

26 July 2025

Turkey Street (Downstream)

9 parameters tested

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

26 July 2025

Upstream of Markfield Park (Stonebridge Brook) CSO

12 parameters tested

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

26 July 2025

Markfield Park (Stonebridge Brook) CSO

12 parameters tested

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

25 July 2025

Whitehall Outfall 5a

11 parameters tested

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

25 July 2025

Whitehall Outfall 5b

11 parameters tested

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

25 July 2025

The Charter Road (Gordon Avenue)

14 parameters tested

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

25 July 2025

Folly Lane EA monitoring point

13 parameters tested

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

25 July 2025

Highams Park Lake

13 parameters tested

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

24 July 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

24 July 2025

Wadham Ave

7 parameters tested

ammonia, conductivity, current weather, ph, phosphate, weather in the past 24hrs, water temperature

24 July 2025

Sainsbury's

7 parameters tested

ammonia, conductivity, current weather, ph, phosphate, weather in the past 24hrs, water temperature

23 July 2025

Hatch Roundabout - Downstream

11 parameters tested

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

23 July 2025

Hatch Roundabout - Upstream

11 parameters tested

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

22 July 2025

Broomfield Wetland NE Inlet

14 parameters tested

ammonia, clarity, colour, conductivity, current weather, odour, water surface, phosphate, weather in the past 24hrs, weather in the past 24hrs description, total dissolved solids (tds), water flow, water level, water temperature

22 July 2025

Broomfield Wetland SE Outlet

13 parameters tested

ammonia, clarity, colour, conductivity, current weather, odour, phosphate, weather in the past 24hrs, weather in the past 24hrs description, total dissolved solids (tds), water flow, water level, water temperature

22 July 2025

Broomfield Upper Lake NW Inlet

16 parameters tested

ammonia, clarity, colour, conductivity, current weather, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), total dissolved solids (tds), water flow, water level, water temperature