River Basins Thames Lee Upper Lee Upper Beane (Source to Stevenage Brook) Cottered Wastewater Treatment Works
Cottered Brook at Cottered Wastewater Treatment Works
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
4579.4 hours | 17.42
The declared body of water receiving this discharge is the "Cottered Brook"
This station has discharged sewage 265 time(s).
The station has discharged for a total of 4579.4 hour(s).
This is 17.42% of the time which we have data for.
In total: 190 day(s)* of elapsed time.
91.6 | 2189.9 hours
This monitor has been operational for 91.6% of its total time we have data for.
There are 2189.99 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Cottered Wastewater Treatment Works" is 2023, discharging sewage for 2222.2 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
2222.2 hours | 25.36
The declared body of water receiving this discharge is the "Cottered Brook"
This station discharged sewage 114 time(s) during 2023.
The station discharged for a total of 2222.2 hour(s).
This is around 92 day(s)* or 25.36% of the year.
The following reasons have been given for the high spill frequency in 2023:
Not Asset Maintenance - Hydraulic Capacity
The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity
77.5 | 1971 hours
This monitor was operational for 77.5% of the year.
Leaving 1971 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:
Telemetry Or Data Archiving Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
Resolved - Mar
*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 # | CSSC.1038 |
| Secondary Permit # | COPA/1038 |
2022
1010.8 hours | 11.53
The declared body of water receiving this discharge is the "Cottered Brook"
This station discharged sewage 68 time(s) during 2022.
The station discharged for a total of 1010.8 hour(s).
This is around 42 day(s)* or 11.53% of the year.
The following reasons have been given for the high spill frequency in 2022:
Performance - Asset Configuration (E.G. Ps/Rising Main/Storm Tanks)
The following comments have been given on the station operators intended actions:
Scheduled
99.9 | 2.6 hours
This monitor was operational for 99.9% of the year.
Leaving 2.6 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 # | CSSC.1038 |
| Secondary Permit # | COPA/1038 |
2021
1346.3 hours | 15.36
The declared body of water receiving this discharge is the "Cottered Brook"
This station discharged sewage 83 time(s) during 2021.
The station discharged for a total of 1346.3 hour(s).
This is around 56 day(s)* or 15.36% of the year.
The following reasons have been given for the high spill frequency in 2021:
Performance - Asset Configuration (E.G. Ps/Rising Main/Storm Tanks)
The following comments have been given on the station operators intended actions:
Scheduled
99.6 | 34.1 hours
This monitor was operational for 99.6% of the year.
Leaving 34.1 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 # | CSSC.1038 |
| Secondary Permit # | COPA/1038 |
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Operator comments are presented, unedited, as they were received by us and do not reflect our views or position
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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