Collecting data in the field? We now have apps for iOS and Android. Visit the App Store or Google Play Store and search for "Water Rangers" Learn more

Dataset

Roding Beam and Ingrebourne

Dataset by Thames21

Observations

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

4 September 2025

Mayesbrook A13 South

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

3 September 2025

Ilford Lane Bridge Outfall

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

3 September 2025

OUTFALL: Little Ilford

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Woodford Brook (Prospect Rd CSO)

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Folkestone Rd Storm Tanks CSO

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Chigwell Rd CSO

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Cascade Rd CSO (Upstream)

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Cascade Rd CSO (Downstream)

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Worcester Crescent CSO

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Longbridge Rd CSO

4 parameters tested ▾

ammonia, current precipitation, phosphate, recent precipitation

Aggie Hodges

Mayesbrook A13 South

3 parameters tested ▾

ammonia, current precipitation, recent precipitation

Aggie Hodges

Date	Notes
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
4 September 2025 Mayesbrook A13 South	Aggie Hodges Video: https://drive.google.com/file/d/14g-Va_1a0ko6qBznFrCzLKPhBgkRuvno/view?usp=drive_link 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
3 September 2025 Ilford Lane Bridge Outfall	Aggie Hodges 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
3 September 2025 OUTFALL: Little Ilford	Aggie Hodges Video in folder 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Woodford Brook (Prospect Rd CSO)	Aggie Hodges Medium Flow Video: https://drive.google.com/file/d/11GvOKjygk_IPPBQQw2zZG9lCvHIkuQHr/view?usp=drive_link 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Folkestone Rd Storm Tanks CSO	Aggie Hodges Very high flow, Signs of rag and debris around outfall Video:… 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Chigwell Rd CSO	Aggie Hodges Low flow, but visible debris from previous spillages 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Cascade Rd CSO (Upstream)	Aggie Hodges 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Cascade Rd CSO (Downstream)	Aggie Hodges 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Worcester Crescent CSO	Aggie Hodges Medium Flow Video: https://drive.google.com/file/d/1UWNmdgRqAvbcO-d83VSYO8WXTYg1OyEP/view?usp=drive_link 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Ray Park CSO	Aggie Hodges 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 South Park CSO	Aggie Hodges High flow Video: https://drive.google.com/file/d/1xMRfwcnkZZUBd8VJYWL9A-opR9Y9hI9u/view?usp=drive_link 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
29 August 2025 Longbridge Rd CSO	Aggie Hodges Very high flow 4 parameters tested ▾ ammonia, current precipitation, phosphate, recent precipitation
27 August 2025 Mayesbrook A13 South	Aggie Hodges 3 parameters tested ▾ ammonia, current precipitation, recent precipitation

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

Steve Mersh on 30 September at Hacton Lane Road Bridge

Contributor leaderboard