Dataset

Marsh Dykes & Thamesmead Water Quality Group

Dataset by Thames21

Dataset summary

Observations

10 August 2025

Slade Pond Inlet

15 parameters tested

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

10 August 2025

Slade Pond Outfall

15 parameters tested

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

10 August 2025

Maryon Wilson Park

3 parameters tested

current weather, water surface, weather in the past 24hrs

30 July 2025

Longmarsh Lane

16 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

29 July 2025

Bostall Woods 3

9 parameters tested

ammonia, conductivity, flow, ph, phosphate, total dissolved solids (tds), turbidity, water depth, water temperature

29 July 2025

Clothworkers Wood 2

9 parameters tested

ammonia, conductivity, flow, ph, phosphate, total dissolved solids (tds), turbidity, water depth, water temperature

29 July 2025

Gallions Lake

20 parameters tested

algae, ammonia, clarity, colour, conductivity, current weather, current weather description, water surface, oxygen, ph, 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

29 July 2025

Gallions Lake Wetland Outlet

19 parameters tested

ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, ph, phosphate, weather in the past 24hrs, weather in the past 24hrs description, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

20 July 2025

Woodlands farm, Oxleas and Bellegrove road stream

3 parameters tested

air temperature, current weather, weather in the past 24hrs

19 July 2025

Oxleas wood, large pond

17 parameters tested

air temperature, ammonia, clarity, colour, conductivity, current weather, current weather description, 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

18 July 2025

Erith Marshes outflow to Thames

11 parameters tested

air temperature, ammonia, conductivity, current weather, current weather description, phosphate, weather in the past 24hrs, weather in the past 24hrs description, total dissolved solids (tds), turbidity, water temperature

18 July 2025

Burnett Road, Erith

4 parameters tested

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

18 July 2025

Burnett Road, Erith

11 parameters tested

air temperature, ammonia, conductivity, current weather, current weather description, phosphate, weather in the past 24hrs, weather in the past 24hrs description, total dissolved solids (tds), turbidity, water temperature

15 July 2025

Oxleas Meadow 2

2 parameters tested

current weather, weather in the past 24hrs

15 July 2025

Woodlands farm, shooters hill stream

7 parameters tested

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