organization

Thames21

Dataset summary

Sample locations

Contributing from 1 March 2020 → 24 October 2026

Displaying locations 141 - 160 of 396 in total

Lea Guardians
1 observation Jun 30 2026 → Jun 30 2026
21 parameters tested ▾

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, 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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Lea Guardians
3 observations Jul 22 2025 → Jun 30 2026
21 parameters tested ▾

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, oxygen, 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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Maidenhead to Teddington Water Quality Group
11 observations May 05 2025 → Jun 04 2026
16 parameters tested ▾

air temperature, 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
11 observations Apr 29 2025 → May 31 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
9 observations Sep 12 2025 → May 15 2026
9 parameters tested ▾

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

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Lea Guardians
11 observations Nov 17 2024 → May 15 2026
9 parameters tested ▾

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

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Lea Guardians
9 observations Sep 12 2025 → May 15 2026
9 parameters tested ▾

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

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Lea Guardians
7 observations Feb 16 2025 → May 15 2026
22 parameters tested ▾

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

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Lea Guardians
11 observations Jan 20 2025 → May 15 2026
9 parameters tested ▾

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

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Lea Guardians
11 observations Dec 19 2024 → May 15 2026
9 parameters tested ▾

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

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Lea Guardians
11 observations Nov 17 2024 → May 15 2026
9 parameters tested ▾

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

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Brent Catchment Water Quality Working Group
5 observations Aug 28 2025 → May 14 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, turbidity, water depth, water flow, water level, water temperature, water use

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Lea Guardians
10 observations Jan 14 2025 → May 12 2026
9 parameters tested ▾

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

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Lea Guardians
10 observations Jan 14 2025 → May 12 2026
9 parameters tested ▾

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

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Lea Guardians
10 observations Jan 14 2025 → May 12 2026
9 parameters tested ▾

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

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Lea Guardians
10 observations Jan 20 2025 → May 12 2026
9 parameters tested ▾

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

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Lea Guardians
12 observations Nov 17 2024 → May 12 2026
9 parameters tested ▾

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

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Lea Guardians
11 observations Dec 19 2024 → May 12 2026
9 parameters tested ▾

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

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Lea Guardians
10 observations Dec 19 2024 → May 12 2026
9 parameters tested ▾

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

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Marsh Dykes & Thamesmead Water Quality Group
10 observations Apr 25 2024 → May 10 2026
11 parameters tested ▾

air temperature, algae, current weather, current weather description, nitrate, odour, water surface, oxygen, phosphate, weather in the past 24hrs, weather in the past 24hrs description

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