organization

Thames21

Dataset summary

Sample locations

Contributing from 1 March 2020 → 24 October 2026

Displaying locations 61 - 80 of 396 in total

Ravensbourne Catchment Improvement Group's Water Quality Working Group
82 observations Apr 19 2023 → Oct 07 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, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

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Ravensbourne Catchment Improvement Group's Water Quality Working Group
90 observations Apr 19 2023 → Oct 07 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, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

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Ravensbourne Catchment Improvement Group's Water Quality Working Group
84 observations Apr 19 2023 → Oct 07 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, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

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Brent Catchment Water Quality Working Group
23 observations Apr 07 2025 → Oct 07 2026
21 parameters tested ▾

air temperature, algae, ammonia, clarity, colour, 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), water depth, water flow, water level, water temperature, water use

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Brent Catchment Water Quality Working Group
19 observations Aug 19 2025 → Oct 07 2026
21 parameters tested ▾

air temperature, algae, ammonia, clarity, colour, 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), water depth, water flow, water level, water temperature, water use

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Brent Catchment Water Quality Working Group
11 observations Aug 31 2025 → Oct 07 2026
21 parameters tested ▾

air temperature, algae, ammonia, clarity, colour, 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), water depth, water flow, water level, water temperature, water use

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Brent Catchment Water Quality Working Group
13 observations Jun 25 2024 → Oct 06 2026
14 parameters tested ▾

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

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Lea Guardians
9 observations Apr 29 2025 → Oct 04 2026
18 parameters tested ▾

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), water flow, water level, water temperature, water use

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Lea Guardians
16 observations May 30 2025 → Oct 04 2026
14 parameters tested ▾

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

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Lea Guardians
118 observations Apr 23 2023 → Oct 04 2026
7 parameters tested ▾

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

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Lea Guardians
58 observations Aug 12 2024 → Oct 04 2026
7 parameters tested ▾

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

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Lea Guardians
30 observations Feb 26 2024 → Oct 04 2026
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

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Brent Catchment Water Quality Working Group
23 observations Oct 01 2024 → Oct 03 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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Brent Catchment Water Quality Working Group
20 observations Feb 01 2025 → Oct 03 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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Brent Catchment Water Quality Working Group
8 observations Jul 02 2024 → Oct 01 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, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

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Brent Catchment Water Quality Working Group
7 observations Jul 02 2024 → Oct 01 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, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

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Roding Beam and Ingrebourne
13 observations Sep 12 2025 → Sep 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
13 observations Sep 12 2025 → Sep 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
13 observations Sep 12 2025 → Sep 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
13 observations Sep 12 2025 → Sep 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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