River Basins Humber Don and Rother Don Middle Don from River Don Works to River Rother Town Street Sheffield CSO
Don at Town Street Sheffield 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 - 2022-2024
47.7 hours | 0.18
The declared body of water receiving this discharge is the "Don"
This station has discharged sewage 30 time(s).
The station has discharged for a total of 47.7 hour(s).
This is 0.18% of the time which we have data for.
In total: 1 day(s)* of elapsed time.
81.3 | 4910 hours
This monitor has been operational for 81.3% of its total time we have data for.
There are 4910.08 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Town Street Sheffield CSO" is 2024, discharging sewage for 43 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 - 2024
43 hours | 0.48
The declared body of water receiving this discharge is the "Don"
This station discharged sewage 23 time(s) during 2024.
The station discharged for a total of 43 hour(s).
This is around 1 day(s)* or 0.48% of the year.
The following reasons have been given for the high spill frequency in 2024:
High Spill Threshold Not Met
The following comments have been given on the station operators intended actions:
Operational Improvement Completed
75.3 | 2165.2 hours
This monitor was operational for 75.3% of the year.
Leaving 2165.2 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 2024:
Comms Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2024:
Resolved - Dec
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Yorkshire Water |
| Primary Permit # | 665 |
| Secondary Permit # | 665 |
2023
Note: Data is potentially unreliable in 2023
Due to high unavailability of the monitor
Don | 4 Spills | Due to high unavailability of the monitor
2.7 hours | 0.03
The declared body of water receiving this discharge is the "Don"
This station discharged sewage 4 time(s) during 2023.
The station discharged for a total of 2.7 hour(s).
This is around 0 day(s)* or 0.03% of the year.
71.2 | 2517.6 hours
This monitor was operational for 71.2% of the year.
Leaving 2517.6 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:
Access - Unable To Retrieve Data From Non-Telemetry Data Logger (Nb: Not To Be Used For Delayed Access To Fix Existing Fault)
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 | Yorkshire Water |
| Primary Permit # | 665 |
| Secondary Permit # | 665 A1 |
2022
2 hours | 0.02
The declared body of water receiving this discharge is the "Don"
This station discharged sewage 3 time(s) during 2022.
The station discharged for a total of 2 hour(s).
This is around 0 day(s)* or 0.02% of the year.
98.8 | 105.1 hours
This monitor was operational for 98.8% of the year.
Leaving 105.1 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 | Yorkshire Water |
| Primary Permit # | 665 |
| Secondary Permit # | 665 A1 |
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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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