Thames21

Dataset: Marsh Dykes & Thamesmead Water Quality Group

Erith Marshes outflow to Thames - Erith Marshes

41 datapoints on 3 dates (July 18 2025 → November 08 2025)

Paul Brewster

Dataset: Ravensbourne Catchment Improvement Group's Water Quality Working Group

Kyd Brook Hawkswood Estate - Kyd Brook

213 datapoints on 27 dates (July 08 2023 → November 07 2025)

Kirsty Blackman

Dataset: Ravensbourne Catchment Improvement Group's Water Quality Working Group

River Pool - River Pool Linear Park

208 datapoints on 31 dates (May 12 2023 → November 06 2025)

Joel Wigfield

Quinta Open Space - Dollis Brook

172 datapoints on 11 dates (November 07 2024 → November 06 2025)

Harrison Tremain

Brent Cross - River Brent

171 datapoints on 11 dates (February 18 2025 → November 06 2025)

Dianne Murphy

Dataset: Lea Guardians

Channelsea River Gas Holders - Channelsea River

137 datapoints on 9 dates (March 01 2025 → November 02 2025)

Ruth-Ron-Caroline Keating

Dataset: Lea Guardians

Channelsea River by Northern Outfall - Channelsea River

134 datapoints on 9 dates (March 01 2025 → November 02 2025)

Ruth-Ron-Caroline Keating

Dataset: Lea Guardians

Wadham Ave - The Ching

298 datapoints on 50 dates (December 08 2023 → October 31 2025)

Alistair Young

Dataset: Lea Guardians

Sainsbury's - The Ching

290 datapoints on 51 dates (December 15 2023 → October 31 2025)

Alistair Young

Dataset: Brent Catchment Water Quality Working Group

Watling Park - Upstream wetland, pond nr1, incoming outfall

19 datapoints on 1 dates (October 30 2025 → October 30 2025)

Kath Vos

Dataset: Brent Catchment Water Quality Working Group

Watling Park - New Wetland Outfall into Burnt Oak Brook

53 datapoints on 4 dates (July 18 2025 → October 30 2025)

Kath Vos

Dataset: Brent Catchment Water Quality Working Group

Watling Wetland Cell 1 - SW wetland

38 datapoints on 3 dates (June 19 2025 → October 30 2025)

Helen Cardy

Dataset: Brent Catchment Water Quality Working Group

Stoneyfields Park bottom end of park - Deans Brook

15 datapoints on 1 dates (October 30 2025 → October 30 2025)

Helen Cardy

Dataset: Lea Guardians

Fuel Lands Allotments Confluence - Bounds Green Brook

17 datapoints on 1 dates (October 25 2025 → October 25 2025)

Bounds Green Rangers (BGR)

Dataset: Lea Guardians

East Finchley Allotments - West Stream - Bounds Green Brook

18 datapoints on 1 dates (October 25 2025 → October 25 2025)

Bounds Green Rangers (BGR)

Dataset: Lea Guardians

East Finchley Allotments - East Stream - Bounds Green Brook

19 datapoints on 1 dates (October 25 2025 → October 25 2025)

Bounds Green Rangers (BGR)

Dataset: Marsh Dykes & Thamesmead Water Quality Group

Burnett Road, Erith - Erith Marshes

43 datapoints on 4 dates (July 18 2025 → October 19 2025)

Paul Brewster

Dataset: Lea Guardians

Eversley Crescent Outfall (Downstream) - Salmons Brook/Houndsden Gutter

124 datapoints on 40 dates (March 24 2023 → October 19 2025)

Alistair Young

Dataset: Lea Guardians

Lordship Recreation Ground (Downstream) - Moselle Brook

209 datapoints on 14 dates (April 20 2024 → October 18 2025)

Alistair Young

Dataset: Lea Guardians

Vincent Road - The Ching

370 datapoints on 32 dates (December 14 2023 → October 17 2025)

Alistair Young