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.
Sewage Reports that include this Station
Operational Summary - 2021-2023
Black Brook | 299 Spills | 1144.4 hours | 4.35
The declared body of water receiving this discharge is the "Black Brook" This station has discharged sewage 299 time(s). The station has discharged for a total of 1144.4 hour(s). This is 4.35% of the time which we have data for. In total: 47 day(s)* of elapsed time.
95.6 | 1138.7 hours This monitor has been operational for 95.6% of its total time we have data for. There are 1138.79 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Folds Road Combined Sewer Overflow" is 2021, discharging sewage for 535 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
Black Brook | 107 Spills | 346.7 hours | 3.95 The declared body of water receiving this discharge is the "Black Brook" This station discharged sewage 107 time(s) during 2023. The station discharged for a total of 346.7 hour(s). This is around 14 day(s)* or 3.95% 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
90.3 | 847.9 hours This monitor was operational for 90.3% of the year. Leaving 847.9 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
United Utilities
Primary Permit #
016993696
Secondary Permit #
STH0064
2022
Black Brook A Tributary Of Sankey Brook | 90 Spills | 262.6 hours | 2.99 The declared body of water receiving this discharge is the "Black Brook A Tributary Of Sankey Brook" This station discharged sewage 90 time(s) during 2022. The station discharged for a total of 262.6 hour(s). This is around 10 day(s)* or 2.99% 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
99.4 | 50.8 hours This monitor was operational for 99.4% of the year. Leaving 50.8 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 #
016993696
Secondary Permit #
STH0064
2021
Black Brook | 102 Spills | 535 hours | 6.1 The declared body of water receiving this discharge is the "Black Brook" This station discharged sewage 102 time(s) during 2021. The station discharged for a total of 535 hour(s). This is around 22 day(s)* or 6.1% 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
98 | 175.2 hours This monitor was operational for 98% of the year. Leaving 175.2 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 #
016993696
Secondary Permit #
STH0064
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
Black and Clipsley Brooks at Blackbrook, St Helens
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