Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

29 November 2025

Waterfall Walk 1 (Upstream)

9 parameters tested

ammonia, clarity, colour, conductivity, oxygen, phosphate, water flow, water level, water temperature

28 November 2025

The Charter Road (Gordon Avenue)

15 parameters tested

algae, ammonia, 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

28 November 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

28 November 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

27 November 2025

Turkey Street (Upstream)

11 parameters tested

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

27 November 2025

Turkey Street (Downstream)

12 parameters tested

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

26 November 2025

Hatch Roundabout - Downstream

14 parameters tested

algae, 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 November 2025

Hatch Roundabout - Upstream

14 parameters tested

algae, 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

25 November 2025

Beech Hall Crescent CSO

12 parameters tested

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

25 November 2025

Beech Hall

11 parameters tested

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

25 November 2025

Lordship Recreation Ground (Downstream)

15 parameters tested

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

23 November 2025

Newgate Street

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

23 November 2025

D/S Whitehall Rd

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

23 November 2025

Whitehall Outfalls

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

22 November 2025

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, turbidity, water depth, water flow, water level, water temperature, water use

22 November 2025

North Inlet

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

22 November 2025

South 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, turbidity, water flow, water level, water temperature, water use

21 November 2025

Whitehall Plain

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

21 November 2025

Footbridge near Rangers Road

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