Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

12 July 2026

Whitehall Outfall 5a

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

11 July 2026

Bottom of Berms

2 parameters tested

ammonia, phosphate

11 July 2026

Top of Berms

2 parameters tested

ammonia, phosphate

11 July 2026

Lea Bridge Weir (downstream)

2 parameters tested

ammonia, phosphate

10 July 2026

Folly Lane EA monitoring point

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

10 July 2026

Wadham Ave

9 parameters tested

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

10 July 2026

Sainsbury's

4 parameters tested

ammonia, current weather, phosphate, weather in the past 24hrs

8 July 2026

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

8 July 2026

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

7 July 2026

Beech Hall Crescent CSO

12 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

7 July 2026

Beech Hall

12 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

7 July 2026

Wadham Ave

5 parameters tested

ammonia, current weather, phosphate, weather in the past 24hrs, weather in the past 24hrs description

5 July 2026

Brookfield Meadow

7 parameters tested

ammonia, clarity, current weather, phosphate, weather in the past 24hrs, water flow, water level

5 July 2026

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

5 July 2026

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

5 July 2026

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

5 July 2026

Whitehall Outfall 5b

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

5 July 2026

Whitehall Outfall 5a

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

4 July 2026

Channelsea River by Northern Outfall

15 parameters tested

air temperature, ammonia, clarity, 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, water temperature

4 July 2026

Dagenham Brook Bridge Rd U/S

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