Organization

Thames21

Dataset summary

Sample locations

Contributing from 9 July 0202 → 24 June 2026

Displaying locations 121 - 140 of 384 in total

Lea Guardians
2 observations Oct 25 2025 → May 09 2026
18 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, water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
19 observations Mar 08 2025 → May 09 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
17 observations Mar 08 2025 → May 09 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
17 observations Mar 08 2025 → May 09 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
Marsh Dykes & Thamesmead Water Quality Group
15 observations Apr 25 2024 → May 09 2026
23 parameters tested

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

View form & equipment
Marsh Dykes & Thamesmead Water Quality Group
8 observations Feb 28 2025 → May 09 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

View form & equipment
Marsh Dykes & Thamesmead Water Quality Group
9 observations Apr 25 2024 → May 09 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
Brent Catchment Water Quality Working Group
7 observations Jun 19 2025 → May 08 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
8 observations Jul 18 2025 → May 08 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, secchi depth (clarity), turbidity, water flow, water level, water temperature, water use

View form & equipment
Maidenhead to Teddington Water Quality Group
1 observation May 06 2026 → May 06 2026
6 parameters tested

ammonia, clarity, colour, phosphate, water flow, water level

View form & equipment
Brent Catchment Water Quality Working Group
5 observations Nov 28 2024 → May 06 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
5 observations Apr 29 2025 → May 02 2026
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, secchi depth (clarity), water flow, water level, water temperature, water use

View form & equipment
Lea Guardians
16 observations Mar 01 2025 → May 01 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
14 observations Mar 01 2025 → May 01 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
13 observations Mar 22 2025 → Apr 24 2026
15 parameters tested

ammonia, clarity, colour, conductivity, current weather, odour, water surface, oxygen, phosphate, pollution sources, weather in the past 24hrs, turbidity, water flow, water level, water temperature

View form & equipment
Lea Guardians
12 observations Apr 22 2025 → Apr 24 2026
15 parameters tested

ammonia, clarity, colour, conductivity, current weather, odour, water surface, oxygen, phosphate, pollution sources, weather in the past 24hrs, turbidity, water flow, water level, water temperature

View form & equipment
Lea Guardians
16 observations May 01 2023 → Apr 24 2026
16 parameters tested

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

View form & equipment
Lea Guardians
14 observations May 01 2023 → Apr 24 2026
16 parameters tested

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

View form & equipment
Ravensbourne Catchment Improvement Group's Water Quality Working Group
4 observations Mar 02 2026 → Apr 23 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
5 observations Oct 02 2024 → Apr 23 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