Organization

Thames21

Dataset summary

Sample locations

Contributing from 9 July 0202 → 25 August 2026

Displaying locations 161 - 180 of 394 in total

Lea Guardians
97 observations Apr 23 2023 → Mar 09 2026
7 parameters tested

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

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Brent Catchment Water Quality Working Group
1 observation Feb 17 2026 → Feb 17 2026
11 parameters tested

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

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Ravensbourne Catchment Improvement Group's Water Quality Working Group
34 observations May 12 2023 → Feb 08 2026
14 parameters tested

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

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Lea Guardians
4 observations Jun 11 2025 → Jan 27 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
19 observations Mar 01 2020 → Dec 18 2025
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 depth, water flow, water level, water temperature

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Maidenhead to Teddington Water Quality Group
3 observations Mar 05 2025 → Dec 03 2025
13 parameters tested

air temperature, algae, ammonia, colour, current weather, current weather description, odour, water surface, phosphate, weather in the past 24hrs, total phosphorus, water flow, water level

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Roding Beam and Ingrebourne
2 observations Aug 29 2025 → Nov 14 2025
6 parameters tested

ammonia, current precipitation, e. coli, enterococci, phosphate, recent precipitation

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Roding Beam and Ingrebourne
6 observations May 27 2025 → Nov 14 2025
6 parameters tested

ammonia, current precipitation, e. coli, enterococci, phosphate, recent precipitation

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Roding Beam and Ingrebourne
6 observations May 27 2025 → Nov 14 2025
6 parameters tested

ammonia, current precipitation, e. coli, enterococci, phosphate, recent precipitation

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Roding Beam and Ingrebourne
5 observations May 27 2025 → Nov 14 2025
7 parameters tested

ammonia, current precipitation, e. coli, enterococci, flow, phosphate, recent precipitation

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Roding Beam and Ingrebourne
13 observations May 02 2025 → Nov 11 2025
7 parameters tested

ammonia, conductivity, current precipitation, flow, phosphate, recent precipitation, water temperature

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Roding Beam and Ingrebourne
15 observations May 02 2025 → Nov 11 2025
7 parameters tested

ammonia, conductivity, current precipitation, flow, phosphate, recent precipitation, water temperature

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Roding Beam and Ingrebourne
12 observations May 02 2025 → Nov 11 2025
7 parameters tested

ammonia, conductivity, current precipitation, flow, phosphate, recent precipitation, water temperature

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Lea Guardians
12 observations Apr 06 2024 → Nov 09 2025
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), total dissolved solids (tds), water flow, water level, water temperature, water use

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Lea Guardians
12 observations Apr 06 2024 → Nov 09 2025
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), total dissolved solids (tds), water flow, water level, water temperature, water use

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Lea Guardians
8 observations Sep 01 2024 → Nov 09 2025
18 parameters tested

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

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Marsh Dykes & Thamesmead Water Quality Group
3 observations Jul 18 2025 → Nov 08 2025
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, total dissolved solids (tds), turbidity, water flow, water level, water temperature, water use

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Brent Catchment Water Quality Working Group
1 observation Oct 30 2025 → Oct 30 2025
15 parameters tested

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

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Roding Beam and Ingrebourne
2 observations Aug 29 2025 → Oct 29 2025
4 parameters tested

ammonia, current precipitation, phosphate, recent precipitation

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Lea Guardians
1 observation Oct 25 2025 → Oct 25 2025
17 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, water flow, water level, water temperature, water use

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