Dataset

Asahi Hub

Dataset by River Wey Trust

Dataset summary

Observations

5 February 2026

Chobham Road underpass

21 parameters tested ▾

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

11 November 2025

Chobham Road underpass

20 parameters tested ▾

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

8 September 2025

Chobham Road underpass

13 parameters tested ▾

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

4 August 2025

Chobham Road underpass

11 parameters tested ▾

air temperature, chlorine, conductivity, current weather, current weather description, hardness, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water temperature

2 July 2025

Chobham Road underpass

12 parameters tested ▾

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

25 April 2025

Chobham Road underpass

11 parameters tested ▾

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

2 April 2025

Chobham Road underpass

11 parameters tested ▾

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

12 March 2025

Chobham Road underpass

11 parameters tested ▾

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

6 February 2025

Chobham Road underpass

11 parameters tested ▾

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

5 December 2024

Chobham Road underpass

12 parameters tested ▾

air temperature, alkalinity, chlorine, conductivity, current weather, current weather description, hardness, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water temperature

6 November 2024

Chobham Road underpass

10 parameters tested ▾

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

9 October 2024

Chobham Road underpass

13 parameters tested ▾

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

5 September 2024

Chobham Road underpass

13 parameters tested ▾

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

8 August 2024

Chobham Road underpass

13 parameters tested ▾

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

3 July 2024

Chobham Road underpass

13 parameters tested ▾

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

5 June 2024

Chobham Road underpass

13 parameters tested ▾

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

1 May 2024

Chobham Road underpass

12 parameters tested ▾

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

31 December 2023

Blackwater River source

12 parameters tested ▾

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

30 December 2023

Blackwater River

12 parameters tested ▾

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

10 November 2023

Chobham Road underpass

10 parameters tested ▾

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