organization

Thames21

Dataset summary

Sample locations

Contributing from 1 March 2020 → 24 October 2026

Displaying locations 181 - 200 of 396 in total

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

View form & equipment
Roding Beam and Ingrebourne
2 observations Aug 29 2025 → Oct 29 2025
4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

View form & equipment
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

View form & equipment
Roding Beam and Ingrebourne
2 observations Aug 29 2025 → Oct 20 2025
4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

View form & equipment
Roding Beam and Ingrebourne
9 observations Jun 04 2025 → Oct 20 2025
4 parameters tested ▾

ammonia, current precipitation, flow, recent precipitation

View form & equipment
Roding Beam and Ingrebourne
2 observations Aug 29 2025 → Oct 20 2025
4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

View form & equipment
Roding Beam and Ingrebourne
3 observations Jun 05 2025 → Oct 20 2025
4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

View form & equipment
Lea Guardians
32 observations Dec 14 2023 → Oct 17 2025
15 parameters tested ▾

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, water flow, water level, water temperature

View form & equipment
Brent Catchment Water Quality Working Group
2 observations Jul 03 2024 → Oct 16 2025
15 parameters tested ▾

air temperature, algae, ammonia, clarity, colour, conductivity, current weather, odour, water surface, phosphate, weather in the past 24hrs, secchi depth (clarity), water flow, water level, water temperature

View form & equipment
Roding Beam and Ingrebourne
1 observation Oct 09 2025 → Oct 09 2025
2 parameters tested ▾

ammonia, current precipitation

View form & equipment
Roding Beam and Ingrebourne
1 observation Oct 09 2025 → Oct 09 2025
2 parameters tested ▾

ammonia, current precipitation

View form & equipment
Roding Beam and Ingrebourne
1 observation Oct 09 2025 → Oct 09 2025
2 parameters tested ▾

ammonia, current precipitation

View form & equipment
Roding Beam and Ingrebourne
1 observation Oct 09 2025 → Oct 09 2025
2 parameters tested ▾

ammonia, current precipitation

View form & equipment
Lea Guardians
15 observations Apr 06 2024 → Oct 05 2025
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, turbidity, water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
24 observations Oct 14 2023 → Oct 05 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 flow, water level, water temperature, water use

View form & equipment
Lea Guardians
6 observations Mar 01 2025 → Oct 05 2025
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

View form & equipment
Roding Beam and Ingrebourne
12 observations May 02 2025 → Sep 26 2025
5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

View form & equipment
Roding Beam and Ingrebourne
8 observations May 02 2025 → Sep 26 2025
5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

View form & equipment
Roding Beam and Ingrebourne
11 observations May 16 2025 → Sep 26 2025
5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

View form & equipment
Roding Beam and Ingrebourne
7 observations Jul 04 2025 → Sep 26 2025
4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

View form & equipment