River Basins Thames Mole Mole Lower and Rythe Mole - Leatherhead to Hersham Coach Road CSO On Stonebridge Sewer
The River Mole at Coach Road CSO On Stonebridge Sewer
This is a sewage discharge monitoring station, which is usually a type of Event Duration Monitor (EDM).
These stations themselves are designed to mitigate the impact of heavy rainfall by discharging, under permitted conditions, any overflow into a water body. They are often actively discharging during flood events.
This page presents the data acquired by the monitoring system for this discharge station.
These stations themselves are designed to mitigate the impact of heavy rainfall by discharging, under permitted conditions, any overflow into a water body. They are often actively discharging during flood events.
This page presents the data acquired by the monitoring system for this discharge station.
Operational Summary - 2021-2023
313.3 hours | 1.19
The declared body of water receiving this discharge is the "The River Mole"
This station has discharged sewage 42 time(s).
The station has discharged for a total of 313.3 hour(s).
This is 1.19% of the time which we have data for.
In total: 13 day(s)* of elapsed time.
64.3 | 9373.2 hours
This monitor has been operational for 64.3% of its total time we have data for.
There are 9373.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Coach Road CSO On Stonebridge Sewer" is 2023, discharging sewage for 154.7 hours of the year.
Uptimes below 90% (red line) should be accompanied by a reason
*This is total time in days, not individual days.
Yearly Summary
Most Recent Year - 2023
Note: Data is potentially unreliable in 2023
Due to high unavailability of the monitor
The River Mole | 19 Spills | Due to high unavailability of the monitor
154.7 hours | 1.76
The declared body of water receiving this discharge is the "The River Mole"
This station discharged sewage 19 time(s) during 2023.
The station discharged for a total of 154.7 hour(s).
This is around 6 day(s)* or 1.76% of the year.
50.3 | 4347.5 hours
This monitor was operational for 50.3% of the year.
Leaving 4347.5 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2023:
Installation Set-Up/Design Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
N/A - Ongoing Investigation
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Thames Water |
| Primary Permit # | CSAC.0953 |
| Secondary Permit # | COPA/10953 |
2022
Note: Data is potentially unreliable in 2022
Due to high unavailability of the monitor
The River Mole | 4 Spills | Due to high unavailability of the monitor
20 hours | 0.22
The declared body of water receiving this discharge is the "The River Mole"
This station discharged sewage 4 time(s) during 2022.
The station discharged for a total of 20 hour(s).
This is around 0 day(s)* or 0.22% of the year.
43.3 | 4960.7 hours
This monitor was operational for 43.3% of the year.
Leaving 4960.7 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2022:
Comms Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2022:
N/A - Ongoing Investigation
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Thames Water |
| Primary Permit # | CSAC.0953 |
| Secondary Permit # | COPA/10953 |
2021
138.5 hours | 1.58
The declared body of water receiving this discharge is the "The River Mole"
This station discharged sewage 19 time(s) during 2021.
The station discharged for a total of 138.5 hour(s).
This is around 5 day(s)* or 1.58% of the year.
100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Thames Water |
| Primary Permit # | CSAC.0953 |
| Secondary Permit # | COPA/10953 |
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Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them.
Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
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