Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

5 October 2025

Broomfield Upper Lake South Outlet

3 parameters tested

colour, oxygen, water temperature

5 October 2025

Vincent Road

13 parameters tested

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

4 October 2025

Arnos Park Growing Space (downstream)

7 parameters tested

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

4 October 2025

Arnos Park Growing Space (upstream)

7 parameters tested

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

4 October 2025

Waterfall Walk 2 (Downstream)

7 parameters tested

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

4 October 2025

Waterfall Walk 1 (Upstream)

8 parameters tested

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

3 October 2025

Hobart Corner

8 parameters tested

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

3 October 2025

Hobart Corner

15 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, water use

3 October 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

3 October 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

3 October 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

3 October 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

3 October 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

2 October 2025

Channelsea River Gas Holders

17 parameters tested

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

2 October 2025

Channelsea River by Northern Outfall

15 parameters tested

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

1 October 2025

Hatch Roundabout - Downstream

12 parameters tested

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

1 October 2025

Hatch Roundabout - Upstream

12 parameters tested

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

30 September 2025

Broomfield Middle Lake South Outlet

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, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

30 September 2025

Beech Hall

13 parameters tested

algae, 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

30 September 2025

Beech Hall Crescent CSO

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