Dataset

Marsh Dykes & Thamesmead Water Quality Group

Dataset by Thames21

Dataset summary

Observations

13 September 2025

Maryon Wilson Park

17 parameters tested

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

4 September 2025

Southmere Lake - north inflow

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, weather in the past 24hrs description, turbidity, water flow, water level, water temperature

4 September 2025

Southmere Lake Inlet

18 parameters tested

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

27 August 2025

Gallions Lake Wetland Outlet

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

27 August 2025

Gallions Lake

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

27 August 2025

Gallions Lake

14 parameters tested

algae, 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, water use

27 August 2025

Longmarsh Lane

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, weather in the past 24hrs description, turbidity, water flow, water level, water temperature

26 August 2025

Bostall Woods 3

9 parameters tested

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

26 August 2025

Clothworkers Wood 2

9 parameters tested

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

17 August 2025

Erith Marshes outflow to Thames

9 parameters tested

air temperature, ammonia, conductivity, current weather, current weather description, phosphate, total dissolved solids (tds), turbidity, water temperature

17 August 2025

Burnett Road, Erith

9 parameters tested

air temperature, ammonia, conductivity, current weather, current weather description, phosphate, total dissolved solids (tds), turbidity, water temperature

11 August 2025

Woodlands farm, Oxleas and Bellegrove road stream

3 parameters tested

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

11 August 2025

Woodlands farm, golf course land drain

3 parameters tested

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

11 August 2025

Woodlands farm, shooters hill stream

4 parameters tested

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

11 August 2025

Oxleas Meadow 2

4 parameters tested

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