Organization

Thames21

Dataset summary

Sample locations

Contributing from 9 July 0202 → 25 June 2026

Displaying locations 21 - 40 of 384 in total

Lea Guardians
8 observations Jun 08 2025 → Jun 19 2026
16 parameters tested

algae, ammonia, clarity, colour, 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

View form & equipment
Brent Catchment Water Quality Working Group
40 observations May 21 2023 → Jun 19 2026
19 parameters tested

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

View form & equipment
Brent Catchment Water Quality Working Group
40 observations May 21 2023 → Jun 19 2026
17 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

View form & equipment
Lea Guardians
59 observations Mar 23 2025 → Jun 19 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

View form & equipment
Lea Guardians
3 observations Apr 19 2026 → Jun 19 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, turbidity, water depth, water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
14 observations Jul 01 2023 → Jun 19 2026
21 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 depth, water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
12 observations Feb 26 2025 → Jun 19 2026
21 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 depth, water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
47 observations Mar 24 2023 → Jun 18 2026
11 parameters tested

algae, ammonia, clarity, current weather, current weather description, odour, water surface, phosphate, pollution sources, weather in the past 24hrs, weather in the past 24hrs description

View form & equipment
Lea Guardians
69 observations Jul 14 2024 → Jun 18 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
70 observations Jul 14 2024 → Jun 18 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
71 observations Nov 23 2023 → Jun 18 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
Roding Beam and Ingrebourne
4 observations Mar 06 2026 → Jun 17 2026
7 parameters tested

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

View form & equipment
Roding Beam and Ingrebourne
4 observations Mar 06 2026 → Jun 17 2026
7 parameters tested

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

View form & equipment
Roding Beam and Ingrebourne
4 observations Mar 06 2026 → Jun 17 2026
7 parameters tested

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

View form & equipment
Lea Guardians
8 observations Oct 25 2025 → Jun 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

View form & equipment
Lea Guardians
73 observations Nov 05 2024 → Jun 16 2026
14 parameters tested

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

View form & equipment
Lea Guardians
90 observations Dec 08 2023 → Jun 16 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
Brent Catchment Water Quality Working Group
28 observations Feb 09 2024 → Jun 15 2026
19 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), turbidity, water flow, water level, water temperature, water use

View form & equipment
Ravensbourne Catchment Improvement Group's Water Quality Working Group
23 observations May 28 2024 → Jun 15 2026
17 parameters tested

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

View form & equipment
Ravensbourne Catchment Improvement Group's Water Quality Working Group
32 observations Nov 07 2023 → Jun 15 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