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Dataset

Roding Beam and Ingrebourne

Dataset by Thames21

Observations

17 September 2025

Cranbrook entering Valentines Park

4 parameters tested ▾

ammonia, current precipitation, flow, recent precipitation

Paul Powlesland

17 September 2025

OUTFALL: Roding Valley Viaduct

3 parameters tested ▾

ammonia, flow, phosphate

Paul Powlesland

17 September 2025

Wells Brook Outlet

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Paul Powlesland

17 September 2025

OUTFALL: Roding Lane South Substation

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Paul Powlesland

17 September 2025

OUTFALL: Roding Lane South Pumping Station

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Paul Powlesland

17 September 2025

OUTFALL: Royston Gardens

5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

Paul Powlesland

17 September 2025

Cranbrook at Confluence

5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

Paul Powlesland

17 September 2025

OUTFALL: Ilford Hill Bridge

5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

Paul Powlesland

17 September 2025

OUTFALL: Outfall near Aldersbrook Confluence

5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

Paul Powlesland

17 September 2025

Aldersbrook at Confluence

5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

Aggie Hodges

17 September 2025

OUTFALL: Uphall Rec

5 parameters tested ▾

ammonia, current precipitation, flow, phosphate, recent precipitation

Paul Powlesland

12 September 2025

Hacton Lane Road Bridge

7 parameters tested ▾

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

Steve Mersh

12 September 2025

Grey Towers Allotment

7 parameters tested ▾

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

Steve Mersh

12 September 2025

7 parameters tested ▾

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

Steve Mersh

12 September 2025

7 parameters tested ▾

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

Steve Mersh

7 September 2025

Sewage Outlet, Near Downing Road Entrance Goresbrook Park

6 parameters tested ▾

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

Michael Andison

7 September 2025

Goresbrook Park Footbridge, Dagenham Avenue

6 parameters tested ▾

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

Michael Andison

7 September 2025

Footbridge, Upper Rainham Road

6 parameters tested ▾

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

Michael Andison

7 September 2025

6 parameters tested ▾

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

Michael Andison

6 September 2025

Footpath Bridge

7 parameters tested ▾

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

Ian Jacklin

Date	Notes
17 September 2025 Cranbrook entering Valentines Park	Paul Powlesland 4 parameters tested ▾ ammonia, current precipitation, flow, recent precipitation
17 September 2025 OUTFALL: Roding Valley Viaduct	Paul Powlesland 3 parameters tested ▾ ammonia, flow, phosphate
17 September 2025 Wells Brook Outlet	Paul Powlesland 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
17 September 2025 OUTFALL: Roding Lane South Substation	Paul Powlesland 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
17 September 2025 OUTFALL: Roding Lane South Pumping Station	Paul Powlesland 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
17 September 2025 OUTFALL: Royston Gardens	Paul Powlesland 5 parameters tested ▾ ammonia, current precipitation, flow, phosphate, recent precipitation
17 September 2025 Cranbrook at Confluence	Paul Powlesland 5 parameters tested ▾ ammonia, current precipitation, flow, phosphate, recent precipitation
17 September 2025 OUTFALL: Ilford Hill Bridge	Paul Powlesland 5 parameters tested ▾ ammonia, current precipitation, flow, phosphate, recent precipitation
17 September 2025 OUTFALL: Outfall near Aldersbrook Confluence	Paul Powlesland 5 parameters tested ▾ ammonia, current precipitation, flow, phosphate, recent precipitation
17 September 2025 Aldersbrook at Confluence	Aggie Hodges Video: https://drive.google.com/file/d/19RZr2Ce78RemlwOYHxzPjFwruwc91xwa/view?usp=drive_link 5 parameters tested ▾ ammonia, current precipitation, flow, phosphate, recent precipitation
17 September 2025 OUTFALL: Uphall Rec	Paul Powlesland 5 parameters tested ▾ ammonia, current precipitation, flow, phosphate, recent precipitation
12 September 2025 Hacton Lane Road Bridge	Steve Mersh good flow 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
12 September 2025 Grey Towers Allotment	Steve Mersh The river was low with a rapid flow. 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
12 September 2025 Raphael Park	Steve Mersh This is a small brook, flow was a trickle 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
12 September 2025 Frazer Close	Steve Mersh The river was low with a slow flow. 7 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, turbidity, water temperature
7 September 2025 Sewage Outlet, Near Downing Road Entrance Goresbrook Park	Michael Andison Turbidity was 15 NTU (using Secchi Tube) Phosphates reading was flashing 2.5 Sewage pollution was clearly… 6 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, water temperature
7 September 2025 Goresbrook Park Footbridge, Dagenham Avenue	Michael Andison Turbidity was <14 NTU (using Secchi Tube) Phosphates reading was flashing 2.5 6 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, water temperature
7 September 2025 Footbridge, Upper Rainham Road	Michael Andison Turbidity was <14 NTU (using Secchi Tube) Phosphates reading was flashing 2.5 6 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, water temperature
7 September 2025 Dagenham Road	Michael Andison Turbidity was <14 NTU (using Secchi Tube) Phosphates reading was flashing 2.5 6 parameters tested ▾ ammonia, conductivity, current precipitation, phosphate, recent precipitation, water temperature
6 September 2025 Footpath Bridge	Ian Jacklin 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

All datasets are open by default. Download dataset
(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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