Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

22 July 2025

Broomfield Middle Lake North Inlet

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 Middle Lake South Outlet

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

Lordship Recreation Ground (Downstream)

13 parameters tested

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

22 July 2025

Arnos Park Growing Space (downstream)

15 parameters tested

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

22 July 2025

Arnos Park Growing Space (upstream)

15 parameters tested

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

22 July 2025

Waterfall Walk 2 (Downstream)

15 parameters tested

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

22 July 2025

Waterfall Walk 1 (Upstream)

15 parameters tested

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

22 July 2025

Broomfield Wetland SE Outlet

12 parameters tested

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

22 July 2025

Broomfield Lower Lake SE Outlet

12 parameters tested

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

22 July 2025

Broomfield Middle Lake South Outlet

12 parameters tested

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

22 July 2025

Broomfield Middle Lake North Inlet

12 parameters tested

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

22 July 2025

Broomfield Upper Lake South Outlet

12 parameters tested

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

21 July 2025

Grovelands Park Lake Entry

7 parameters tested

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

21 July 2025

Grovelands Park Lake Downstream of reedbeds

7 parameters tested

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

21 July 2025

Grovelands Park Stream below dam

7 parameters tested

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

20 July 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

20 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

20 July 2025

D/S Whitehall Rd

11 parameters tested

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

19 July 2025

Broomfield Upper Lake NW Inlet

17 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, total dissolved solids (tds), water flow, water level, water temperature

19 July 2025

Broomfield Upper Lake South Outlet

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, total dissolved solids (tds), water flow, water level