Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Observations

4 July 2026

North Access 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 July 2026

Channelsea River Gas Holders

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

Outlet

17 parameters tested

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

4 July 2026

North Inlet

17 parameters tested

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

4 July 2026

South 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

3 July 2026

Whitehall Plain

13 parameters tested

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

3 July 2026

Footbridge near Rangers Road

8 parameters tested

current weather, current weather description, flow, weather in the past 24hrs, weather in the past 24hrs description, water depth, water flow, water level

3 July 2026

Downstream of Connaught Water

8 parameters tested

current weather, current weather description, flow, weather in the past 24hrs, weather in the past 24hrs description, water depth, water flow, water level

3 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

3 July 2026

Highams Park Lake

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

3 July 2026

Wadham Ave

4 parameters tested

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

3 July 2026

Sainsbury's

5 parameters tested

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

30 June 2026

Broomfield Wetland SE Outlet

21 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, 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 June 2026

Broomfield Middle Lake outlet to wetland

21 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, 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 June 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

30 June 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

30 June 2026

Broomfield Wetland NE Inlet

21 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, 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 June 2026

Broomfield Upper Lake water in the lake (NW)

21 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, 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 June 2026

Broomfield Upper Lake NW Inlet

21 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, 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 June 2026

Rectory Farm

14 parameters tested

air temperature, algae, ammonia, 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