Organization

Thames21

Dataset summary

Sample locations

Contributing from 9 July 0202 → 25 August 2026

Displaying locations 101 - 120 of 394 in total

Lea Guardians
127 observations Jul 31 2021 → Jul 31 2026
20 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, secchi depth (clarity), turbidity, water flow, water level, water temperature, water use

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Lea Guardians
25 observations Aug 10 2024 → Jul 31 2026
19 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, secchi depth (clarity), turbidity, water flow, water level, water temperature, water use

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Roding Beam and Ingrebourne
11 observations Sep 07 2025 → Jul 30 2026
9 parameters tested

ammonia, conductivity, current precipitation, current weather, phosphate, weather in the past 24hrs, recent precipitation, turbidity, water temperature

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Roding Beam and Ingrebourne
11 observations Sep 07 2025 → Jul 30 2026
9 parameters tested

ammonia, conductivity, current precipitation, current weather, phosphate, weather in the past 24hrs, recent precipitation, turbidity, water temperature

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Roding Beam and Ingrebourne
11 observations Sep 07 2025 → Jul 30 2026
9 parameters tested

ammonia, conductivity, current precipitation, current weather, phosphate, weather in the past 24hrs, recent precipitation, turbidity, water temperature

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Roding Beam and Ingrebourne
11 observations Sep 07 2025 → Jul 30 2026
9 parameters tested

ammonia, conductivity, current precipitation, current weather, phosphate, weather in the past 24hrs, recent precipitation, turbidity, water temperature

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Lea Guardians
15 observations Feb 01 2025 → Jul 28 2026
16 parameters tested

air temperature, algae, 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

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Brent Catchment Water Quality Working Group
15 observations Feb 18 2025 → Jul 27 2026
21 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, ph, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), turbidity, water flow, water level, water temperature

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Ravensbourne Catchment Improvement Group's Water Quality Working Group
7 observations Oct 04 2025 → Jul 26 2026
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

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Ravensbourne Catchment Improvement Group's Water Quality Working Group
7 observations Oct 04 2025 → Jul 26 2026
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

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Lea Guardians
74 observations Jul 14 2024 → Jul 24 2026
16 parameters tested

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

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Lea Guardians
73 observations Jul 14 2024 → Jul 24 2026
16 parameters tested

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

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Lea Guardians
66 observations Dec 08 2023 → Jul 24 2026
17 parameters tested

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

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Lea Guardians
67 observations Dec 15 2023 → Jul 24 2026
16 parameters tested

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

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Lea Guardians
74 observations Nov 23 2023 → Jul 17 2026
22 parameters tested

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, flow, odour, water surface, ph, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water flow, water level, water temperature, water use

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Maidenhead to Teddington Water Quality Group
2 observations May 06 2026 → Jul 11 2026
13 parameters tested

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

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Maidenhead to Teddington Water Quality Group
3 observations May 06 2026 → Jul 11 2026
15 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, water use

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Lea Guardians
13 observations Aug 10 2024 → Jul 11 2026
14 parameters tested

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

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Lea Guardians
9 observations Aug 10 2024 → Jul 11 2026
14 parameters tested

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

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Lea Guardians
15 observations Aug 10 2024 → Jul 11 2026
16 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 depth, water flow, water level, water use

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