Dataset

Lea Guardians

Dataset by Thames21

Dataset summary

Show on a map

Contributing from 1 March 2020 → 18 August 2026

Displaying locations 1 - 20 of 131 in total

4 observations Oct 25 2025 → Aug 18 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
10 observations Oct 25 2025 → Aug 18 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
29 observations Feb 26 2024 → Aug 18 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
30 observations Feb 26 2024 → Aug 18 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, turbidity, water flow, water level, water temperature, water use

View form & equipment
50 observations Mar 21 2025 → Aug 18 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
51 observations Mar 21 2025 → Aug 18 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
10 observations Jun 08 2025 → Aug 17 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
10 observations Jun 08 2025 → Aug 17 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
16 observations Jul 01 2023 → Aug 17 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
14 observations Feb 26 2025 → Aug 17 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
5 observations Apr 19 2026 → Aug 17 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
10 observations May 31 2026 → Aug 16 2026
13 parameters tested

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

View form & equipment
94 observations Jul 19 2024 → Aug 16 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
96 observations Jul 19 2024 → Aug 16 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
95 observations Jul 19 2024 → Aug 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
25 observations Apr 20 2024 → Aug 14 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 depth, water flow, water level, water temperature

View form & equipment
16 observations Jul 14 2025 → Aug 14 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
104 observations Nov 16 2023 → Aug 13 2026
20 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, total dissolved solids (tds), water flow, water level, water temperature, water use

View form & equipment
106 observations Jan 17 2024 → Aug 13 2026
19 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, water use

View form & equipment
56 observations Aug 12 2024 → Aug 10 2026
7 parameters tested

ammonia, conductivity, current weather, phosphate, weather in the past 24hrs, turbidity, water temperature

View form & equipment