Green Lanes Stream at Epsom Storm Tanks, Longmead Road
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
20 hours | 0.07
The declared body of water receiving this discharge is the "Green Lanes Stream"
This station has discharged sewage 19 time(s).
The station has discharged for a total of 20 hour(s).
This is 0.07% of the time which we have data for.
In total: 0 day(s)* of elapsed time.
26 | 19447.2 hours
This monitor has been operational for 26% of its total time we have data for.
There are 19447.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Epsom Storm Tanks, Longmead Road" is 2021, discharging sewage for 18.4 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
Green Lanes Stream | 0 Spills | Due to high unavailability of the monitor
0 hours | 0
The declared body of water receiving this discharge is the "Green Lanes Stream"
This station discharged sewage 0 time(s) during 2023.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.
0 | 8760 hours
This monitor was operational for 0% of the year.
Leaving 8760 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:
No Longer Operational As An Overflow - Permit Revoked Or To Be Revoked
The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
Overflow No Longer Spilling To Environment - From Jan
*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 # | TEMP.2567 |
| Secondary Permit # | TEMP.2567 |
2022
Note: Data is potentially unreliable in 2022
Due to high unavailability of the monitor
Green Lanes Stream | 3 Spills | Due to high unavailability of the monitor
1.5 hours | 0.01
The declared body of water receiving this discharge is the "Green Lanes Stream"
This station discharged sewage 3 time(s) during 2022.
The station discharged for a total of 1.5 hour(s).
This is around 0 day(s)* or 0.01% of the year.
11.7 | 7735 hours
This monitor was operational for 11.7% of the year.
Leaving 7735 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:
Telemetry Or Data Archiving 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 # | TEMP.2567 |
| Secondary Permit # | TEMP.2567 |
2021
Note: Data is potentially unreliable in 2021
Due to high unavailability of the monitor
Green Lanes Stream | 16 Spills | Due to high unavailability of the monitor
18.4 hours | 0.21
The declared body of water receiving this discharge is the "Green Lanes Stream"
This station discharged sewage 16 time(s) during 2021.
The station discharged for a total of 18.4 hour(s).
This is around 0 day(s)* or 0.21% of the year.
67.4 | 2847.8 hours
This monitor was operational for 67.4% of the year.
Leaving 2847.8 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 2021:
Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
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 # | TEMP.2567 |
| Secondary Permit # | TEMP.2567 |
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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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