River Basins North West Irwell Roch Irk Medlock Medlock (Lumb Brook to Irwell) Egerton St Worsley St CSO
The River Medlock at Egerton St Worsley St 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
189.8 hours | 0.72
The declared body of water receiving this discharge is the "The River Medlock"
This station has discharged sewage 197 time(s).
The station has discharged for a total of 189.8 hour(s).
This is 0.72% of the time which we have data for.
In total: 7 day(s)* of elapsed time.
98.6 | 350.3 hours
This monitor has been operational for 98.6% of its total time we have data for.
There are 350.39 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Egerton St Worsley St CSO" is 2021, discharging sewage for 101.6 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
36.4 hours | 0.41
The declared body of water receiving this discharge is the "The River Medlock"
This station discharged sewage 62 time(s) during 2023.
The station discharged for a total of 36.4 hour(s).
This is around 1 day(s)* or 0.41% 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
96.9 | 263.6 hours
This monitor was operational for 96.9% of the year.
Leaving 263.6 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 | United Utilities |
| Primary Permit # | 016983277 |
| Secondary Permit # | MAN0181 |
2022
51.8 hours | 0.59
The declared body of water receiving this discharge is the "River Medlock"
This station discharged sewage 58 time(s) during 2022.
The station discharged for a total of 51.8 hour(s).
This is around 2 day(s)* or 0.59% 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
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 | United Utilities |
| Primary Permit # | 016983277 |
| Secondary Permit # | MAN0181 |
2021
101.6 hours | 1.15
The declared body of water receiving this discharge is the "The River Medlock"
This station discharged sewage 77 time(s) during 2021.
The station discharged for a total of 101.6 hour(s).
This is around 4 day(s)* or 1.15% 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
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 | United Utilities |
| Primary Permit # | 016983277 |
| Secondary Permit # | MAN0181 |
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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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