Organization

Thames21

Dataset summary

Sample locations

Contributing from 9 July 0202 → 24 June 2026

Displaying locations 81 - 100 of 384 in total

Brent Catchment Water Quality Working Group
8 observations Feb 15 2024 → May 19 2026
23 parameters tested

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

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Brent Catchment Water Quality Working Group
8 observations Oct 05 2025 → May 19 2026
24 parameters tested

ice on, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, outfall aesthetics, outfall flow, phosphate, pollution signs, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), turbidity, water depth, water flow, water level, water temperature, water use

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Marsh Dykes & Thamesmead Water Quality Group
13 observations May 29 2025 → May 19 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
4 observations Feb 24 2026 → May 19 2026
22 parameters tested

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

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Brent Catchment Water Quality Working Group
8 observations Oct 05 2025 → May 19 2026
24 parameters tested

ice on, algae, ammonia, clarity, colour, conductivity, current weather, current weather description, odour, water surface, outfall aesthetics, outfall flow, phosphate, pollution signs, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), turbidity, water depth, water flow, water level, water temperature, water use

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Lea Guardians
13 observations Feb 01 2025 → May 19 2026
14 parameters tested

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

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Marsh Dykes & Thamesmead Water Quality Group
21 observations Sep 18 2024 → May 19 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
21 observations Sep 18 2024 → May 19 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
21 observations Sep 18 2024 → May 19 2026
9 parameters tested

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

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Ravensbourne Catchment Improvement Group's Water Quality Working Group
5 observations Oct 04 2025 → May 16 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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Ravensbourne Catchment Improvement Group's Water Quality Working Group
5 observations Oct 04 2025 → May 16 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
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
10 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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Brent Catchment Water Quality Working Group
2 observations Apr 07 2026 → May 15 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
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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