Dataset

Hogsmill Water Quality

Dataset summary

Observations

23 April 2025

Saipem S4 - Berrylands playground

16 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, current weather description, hardness, nitrate-nitrogen, ph, phosphate, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water temperature

22 April 2025

Middle Mill

22 parameters tested

air temperature, algae, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, current weather description, hardness, nitrate-nitrogen, odour, water surface, ph, phosphate, weather in the past 24hrs, weather in the past 24hrs description, water depth, water flow, water level, water temperature

14 April 2025

Ewell Storm Tank

15 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water flow, water temperature

12 April 2025

Downstream Stepping Stones

19 parameters tested

air temperature, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, hardness, nitrate-nitrogen, odour, water surface, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water level, water temperature

12 April 2025

Green Lanes A (downstream of old green lanes stream)

20 parameters tested

air temperature, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, flow, hardness, nitrate-nitrogen, odour, water surface, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water level, water temperature

11 April 2025

Bonesgate

14 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water temperature

10 April 2025

Berrylands Bridge

14 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water temperature

10 April 2025

Middle Mill

14 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, current weather description, hardness, nitrate-nitrogen, oxygen, ph, phosphate, weather in the past 24hrs, water temperature

3 April 2025

Saipem S3 - Chapel Mill Road

21 parameters tested

air temperature, algae, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, current weather description, hardness, nitrate-nitrogen, odour, water surface, ph, weather in the past 24hrs, weather in the past 24hrs description, water depth, water flow, water level, water temperature

3 April 2025

Saipem S1 - Kingston Chamber of Commerce

22 parameters tested

air temperature, algae, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, current weather description, hardness, nitrate-nitrogen, odour, water surface, ph, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water depth, water flow, water level, water temperature

2 April 2025

Saipem S4 - Berrylands playground

22 parameters tested

air temperature, algae, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, current weather description, hardness, nitrate-nitrogen, odour, water surface, ph, phosphate, weather in the past 24hrs, weather in the past 24hrs description, water depth, water flow, water level, water temperature

2 April 2025

Saipem S5 - Tolworth Brook

14 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, ph, phosphate, weather in the past 24hrs, secchi depth (clarity), water depth, water temperature

1 April 2025

Saipem S2- Middle Mill

11 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, ph, weather in the past 24hrs, water temperature

1 April 2025

Saipem S2- Middle Mill

14 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, current weather description, hardness, nitrate, ph, phosphate, weather in the past 24hrs, water depth, water temperature

12 March 2025

Saipem S1 - Kingston Chamber of Commerce

11 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, ph, phosphate, weather in the past 24hrs

12 March 2025

Bonegate Stream

14 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, nitrites, oxygen, ph, weather in the past 24hrs, water depth, water temperature

8 March 2025

Downstream Stepping Stones

20 parameters tested

air temperature, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, hardness, nitrate-nitrogen, odour, water surface, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water flow, water level, water temperature

8 March 2025

Green Lanes A (downstream of old green lanes stream)

20 parameters tested

air temperature, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, hardness, nitrate-nitrogen, odour, water surface, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water flow, water level, water temperature

7 March 2025

Ewell Storm Tank

14 parameters tested

air temperature, alkalinity, ammonia, chlorine, conductivity, current weather, hardness, nitrate-nitrogen, oxygen, ph, phosphate, weather in the past 24hrs, water depth, water temperature

7 March 2025

Middle Mill

21 parameters tested

air temperature, algae, alkalinity, ammonia, chlorine, clarity, colour, conductivity, current weather, current weather description, hardness, nitrate-nitrogen, odour, water surface, oxygen, ph, weather in the past 24hrs, water flow, water level, water temperature, water use