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.
The declared body of water receiving this discharge is the "Hindsford Brook" This station has discharged sewage 169 time(s). The station has discharged for a total of 1298.1 hour(s). This is 4.93% of the time which we have data for. In total: 54 day(s)* of elapsed time.
99.3 | 175.2 hours This monitor has been operational for 99.3% of its total time we have data for. There are 175.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Tyldesley CSO" is 2022, discharging sewage for 482.3 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
Hindsford Brook | 61 Spills | 444.2 hours | 5.07 The declared body of water receiving this discharge is the "Hindsford Brook" This station discharged sewage 61 time(s) during 2023. The station discharged for a total of 444.2 hour(s). This is around 18 day(s)* or 5.07% 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
99.9 | 0.8 hours This monitor was operational for 99.9% of the year. Leaving 0.8 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 #
016920502
Secondary Permit #
WIG0151
2022
Hindsford Brook Via Surface Water Sewer | 54 Spills | 482.3 hours | 5.5 The declared body of water receiving this discharge is the "Hindsford Brook Via Surface Water Sewer" This station discharged sewage 54 time(s) during 2022. The station discharged for a total of 482.3 hour(s). This is around 20 day(s)* or 5.5% 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
99.9 | 7 hours This monitor was operational for 99.9% of the year. Leaving 7 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 #
016920135
Secondary Permit #
WIG0151
2021
Moss Brook | 54 Spills | 371.6 hours | 4.24 The declared body of water receiving this discharge is the "Moss Brook" This station discharged sewage 54 time(s) during 2021. The station discharged for a total of 371.6 hour(s). This is around 15 day(s)* or 4.24% 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 #
016920135
Secondary Permit #
WIG0151
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
Honksford Brook at Mosley Common Road and Silk Mill Street
Astley Brook at Astley, properties around Manchester Road, Duke Street and at Moss o'Lee Bridge
Astley Brook at Astley, properties near Astley Brook Bridge and two properties on Manchester Road
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