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Dataset

Roding Beam and Ingrebourne

Dataset by Thames21

Observations

11 November 2025

OUTFALL: Uphall Rec

6 parameters tested ▾

ammonia, conductivity, current precipitation, flow, recent precipitation, water temperature

Aggie Hodges

11 November 2025

Cranbrook at Confluence

5 parameters tested ▾

ammonia, conductivity, current precipitation, recent precipitation, water temperature

Aggie Hodges

2 November 2025

Barking Barrage

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Ian Jacklin

2 November 2025

Footpath Bridge

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Ian Jacklin

29 October 2025

Longbridge Rd CSO

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

29 October 2025

Cascade Rd CSO (Downstream)

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

29 October 2025

Cascade Rd CSO (Upstream)

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

20 October 2025

Woodford Brook (Prospect Rd CSO)

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

20 October 2025

Cranbrook entering Valentines Park

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

20 October 2025

Worcester Crescent CSO

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

20 October 2025

Cascade Rd CSO (Downstream)

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

20 October 2025

Cascade Rd CSO (Upstream)

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

20 October 2025

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

20 October 2025

4 parameters tested ▾

ammonia, current precipitation, flow, recent precipitation

Aggie Hodges

15 October 2025

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Steve Mersh

15 October 2025

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Steve Mersh

15 October 2025

Grey Towers Allotment

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Steve Mersh

15 October 2025

Hacton Lane Road Bridge

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Steve Mersh

11 October 2025

Sewage Outlet, Near Downing Road Entrance Goresbrook Park

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Michael Andison

11 October 2025

Goresbrook Park Footbridge, Dagenham Avenue

7 parameters tested ▾

ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Michael Andison

Date	Notes
11 November 2025 OUTFALL: Uphall Rec	Aggie Hodges 6 parameters tested ▾ ammonia, conductivity, current precipitation, flow, recent precipitation, water temperature
11 November 2025 Cranbrook at Confluence	Aggie Hodges 5 parameters tested ▾ ammonia, conductivity, current precipitation, recent precipitation, water temperature
2 November 2025 Barking Barrage	Ian Jacklin 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
2 November 2025 Footpath Bridge	Ian Jacklin 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
29 October 2025 Longbridge Rd CSO	Aggie Hodges 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
29 October 2025 Cascade Rd CSO (Downstream)	Aggie Hodges 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
29 October 2025 Cascade Rd CSO (Upstream)	Aggie Hodges 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
20 October 2025 Woodford Brook (Prospect Rd CSO)	Aggie Hodges Water largely clear and not much smell. Some detritus. Asset less harmful in wet weather than dry… 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
20 October 2025 Cranbrook entering Valentines Park	Aggie Hodges Shows clear dilution effect of rain on Cranbrook. Much less smell and visual impact in wet weather. 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
20 October 2025 Worcester Crescent CSO	Aggie Hodges This one needs more investigation with other testing. Visual impact on river is high and smell was bad, but… 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
20 October 2025 Cascade Rd CSO (Downstream)	Aggie Hodges 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
20 October 2025 Cascade Rd CSO (Upstream)	Aggie Hodges 3 parameters tested ▾ ammonia, current precipitation, recent precipitation
20 October 2025 Ray Park CSO	Aggie Hodges Video: https://drive.google.com/file/d/1OwbTFlOgud3DEd4c8ylrWzndLNtzfxZo/view?usp=drive_link 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
20 October 2025 Cascade Rd CSO	Aggie Hodges Running much stronger than usual. Changes the whole colour of the river. Video:… 4 parameters tested ▾ ammonia, current precipitation, flow, recent precipitation
15 October 2025 Frazer Close	Steve Mersh Drizzle the night before, slow flow 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
15 October 2025 Raphael Park	Steve Mersh Drizzle the night before, negligible flow 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
15 October 2025 Grey Towers Allotment	Steve Mersh Drizzle the night before, normal flow 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
15 October 2025 Hacton Lane Road Bridge	Steve Mersh drizzle the night before, normal flow 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
11 October 2025 Sewage Outlet, Near Downing Road Entrance Goresbrook Park	Michael Andison Clear evidence of pollution entering the watercourse 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
11 October 2025 Goresbrook Park Footbridge, Dagenham Avenue	Michael Andison 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature

Concerns: Identify problem outfalls and areas of poor water quality
Intended audience: Our community
Intended use: Benchmarking of water body or watershed health

Monitoring program details

Method and parameters details: View form
Water quality criteria: United Kingdom
Sampling frequency: Weekly

Data sharing

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(under review) This group has requested to be integrated with DataStream

Latest contribution to the dataset

Philip Humm on 22 July at Langford Bridge

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