Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

12 September 2025

Sainsbury's

4 parameters tested

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

10 September 2025

Downstream of Jack’s Lake

15 parameters tested

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

9 September 2025

Beech Hall Crescent CSO

11 parameters tested

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

9 September 2025

Beech Hall

12 parameters tested

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

8 September 2025

Newgate Street

12 parameters tested

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

8 September 2025

D/S Whitehall Rd

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

8 September 2025

Whitehall Outfalls

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

8 September 2025

Grovelands Park Lake Downstream of reedbeds

4 parameters tested

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

8 September 2025

Grovelands Park Stream below dam

7 parameters tested

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

8 September 2025

Grovelands Park Lake Entry

7 parameters tested

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

7 September 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

7 September 2025

Vincent Road

13 parameters tested

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

7 September 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

5 September 2025

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 September 2025

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

5 September 2025

Hobart Corner

8 parameters tested

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

5 September 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

5 September 2025

Highams Park Lake

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

5 September 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

5 September 2025

Sainsbury's

2 parameters tested

ammonia, phosphate