Dataset

Brent Catchment Water Quality Working Group

Dataset by Thames21

Dataset summary

Observations

18 January 2026

Imperial Way Bridge - Lindsay Drive Roundabout

19 parameters tested

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

18 January 2026

Falcon Way bridge - Lindsay Drive roundabout

20 parameters tested

air temperature, algae, ammonia, clarity, colour, current weather, current weather description, 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

18 January 2026

Wealdstone Brook Woodcock Park Mural Bridge

20 parameters tested

air temperature, algae, ammonia, clarity, colour, current weather, current weather description, 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

14 January 2026

Whetstone Stray

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

14 January 2026

Brook Farm Open Space

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

10 January 2026

Duckweir - Clitheroe Island - Boston Manor Park

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

10 January 2026

Brent_41 Union Canal Towpath

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

9 January 2026

Stoneyfields Park North bridge

20 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, total dissolved solids (tds), turbidity, water depth, water flow, water level, water temperature, water use

9 January 2026

Stoneyfields Park South bridge

18 parameters tested

air temperature, algae, ammonia, clarity, colour, current weather, current weather description, water surface, 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

6 January 2026

Folly pre confluence

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

6 January 2026

Outfall at RMI Site

18 parameters tested

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

6 January 2026

Riverside Park (Upstream)

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

6 January 2026

Riverside Park (Downstream)

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

22 December 2025

Darlands Lake (Downstream)

14 parameters tested

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

22 December 2025

Darlands Lake (Upstream)

15 parameters tested

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

20 December 2025

Outfall on the corner

11 parameters tested

ice on, ammonia, conductivity, current weather, outfall aesthetics, outfall flow, phosphate, pollution signs, weather in the past 24hrs, turbidity, water temperature

20 December 2025

Hendon Way

11 parameters tested

ice on, ammonia, conductivity, current weather, outfall aesthetics, outfall flow, phosphate, pollution signs, weather in the past 24hrs, turbidity, water temperature

20 December 2025

Clitterhouse Mid-Stream

10 parameters tested

ice on, ammonia, conductivity, current weather, outfall aesthetics, outfall flow, phosphate, weather in the past 24hrs, turbidity, water temperature

20 December 2025

Falcon Way bridge - Lindsay Drive roundabout

20 parameters tested

air temperature, algae, ammonia, clarity, colour, current weather, current weather description, 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

20 December 2025

Imperial Way Bridge - Lindsay Drive Roundabout

20 parameters tested

air temperature, algae, ammonia, clarity, colour, current weather, current weather description, 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

Intended audience
Our group or organization, Our community, Government and decision makers, Broad audience/everyone
Intended use
Benchmarking of water body or watershed health, Share and compare results across watersheds., Education and engagement of local communities, Use in resource prioritization and decision making