organization

Thames21

Dataset summary

Sample locations

Contributing from 1 March 2020 → 24 October 2026

Displaying locations 41 - 60 of 396 in total

Brent Catchment Water Quality Working Group
21 observations Jun 15 2025 → Oct 11 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

View form & equipment
Brent Catchment Water Quality Working Group
44 observations May 20 2023 → Oct 11 2026
23 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 depth, water flow, water level, water temperature, water use

View form & equipment
Ravensbourne Catchment Improvement Group's Water Quality Working Group
39 observations Nov 07 2023 → Oct 11 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

View form & equipment
Brent Catchment Water Quality Working Group
40 observations May 20 2023 → Oct 11 2026
23 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 depth, water flow, water level, water temperature, water use

View form & equipment
Brent Catchment Water Quality Working Group
6 observations Jul 13 2026 → Oct 11 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

View form & equipment
Brent Catchment Water Quality Working Group
24 observations Feb 05 2025 → Oct 11 2026
22 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, turbidity, water depth, water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
102 observations Jul 19 2024 → Oct 11 2026
18 parameters tested ▾

air temperature, 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

View form & equipment
Lea Guardians
104 observations Jul 19 2024 → Oct 11 2026
19 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, turbidity, water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
103 observations Jul 19 2024 → Oct 11 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

View form & equipment
Marsh Dykes & Thamesmead Water Quality Group
19 observations Apr 25 2024 → Oct 11 2026
23 parameters tested ▾

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

View form & equipment
Marsh Dykes & Thamesmead Water Quality Group
18 observations Apr 25 2024 → Oct 11 2026
23 parameters tested ▾

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

View form & equipment
Marsh Dykes & Thamesmead Water Quality Group
29 observations Jan 25 2023 → Oct 10 2026
25 parameters tested ▾

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

View form & equipment
Marsh Dykes & Thamesmead Water Quality Group
21 observations Apr 25 2024 → Oct 10 2026
24 parameters tested ▾

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

View form & equipment
Marsh Dykes & Thamesmead Water Quality Group
21 observations Apr 25 2024 → Oct 10 2026
22 parameters tested ▾

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

View form & equipment
Lea Guardians
78 observations Jul 14 2024 → Oct 09 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

View form & equipment
Lea Guardians
79 observations Jul 14 2024 → Oct 09 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

View form & equipment
Lea Guardians
79 observations Nov 23 2023 → Oct 09 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

View form & equipment
Lea Guardians
20 observations Mar 01 2025 → Oct 08 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, total dissolved solids (tds), turbidity, water flow, water level, water temperature

View form & equipment
Lea Guardians
20 observations Mar 01 2025 → Oct 08 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, total dissolved solids (tds), turbidity, water flow, water level, water temperature

View form & equipment
Ravensbourne Catchment Improvement Group's Water Quality Working Group
83 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

View form & equipment