River Severn at Greyfriars Bridge CSO
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
5960 hours | 22.67
The declared body of water receiving this discharge is the "River Severn"
This station has discharged sewage 328 time(s).
The station has discharged for a total of 5960 hour(s).
This is 22.67% of the time which we have data for.
In total: 248 day(s)* of elapsed time.
91.3 | 2277.6 hours
This monitor has been operational for 91.3% of its total time we have data for.
There are 2277.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Greyfriars Bridge CSO" is 2023, discharging sewage for 2467.8 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
2467.8 hours | 28.17
The declared body of water receiving this discharge is the "River Severn"
This station discharged sewage 128 time(s) during 2023.
The station discharged for a total of 2467.8 hour(s).
This is around 102 day(s)* or 28.17% of the year.
The following reasons have been given for the high spill frequency in 2023:
Data Collection - Tidal / River Inundation
The following comments have been given on the station operators intended actions:
Resolved - Dec
86.2 | 1208.8 hours
This monitor was operational for 86.2% of the year.
Leaving 1208.8 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 2023:
Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
Scheduled
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Severn Trent Water |
| Primary Permit # | S/02/21032/O |
| Secondary Permit # | S/02/21032/O |
2022
1359.6 hours | 15.52
The declared body of water receiving this discharge is the "River Severn"
This station discharged sewage 81 time(s) during 2022.
The station discharged for a total of 1359.6 hour(s).
This is around 56 day(s)* or 15.52% of the year.
The following reasons have been given for the high spill frequency in 2022:
Not Asset Maintenance - Hydraulic Capacity
The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity
89.2 | 939.9 hours
This monitor was operational for 89.2% of the year.
Leaving 939.9 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:
Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2022:
Resolved - Aug
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Severn Trent Water |
| Primary Permit # | S/02/21032/O |
| Secondary Permit # | S/02/21032/O |
2021
2132.4 hours | 24.34
The declared body of water receiving this discharge is the "River Severn"
This station discharged sewage 119 time(s) during 2021.
The station discharged for a total of 2132.4 hour(s).
This is around 88 day(s)* or 24.34% of the year.
The following reasons have been given for the high spill frequency in 2021:
Not Asset Maintenance - Hydraulic Capacity
The following comments have been given on the station operators intended actions:
N/A – Hydraulic Capacity
99.5 | 35.9 hours
This monitor was operational for 99.5% of the year.
Leaving 35.9 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 | Severn Trent Water |
| Primary Permit # | S/02/21032/O |
| Secondary Permit # | S/02/21032/O |
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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
Nearby Flood Warnings
None
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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