Longwood Mill Brook at Whiston Park (Eccleston Pk) 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.
The declared body of water receiving this discharge is the "Longwood Mill Brook" This station has discharged sewage 115 time(s). The station has discharged for a total of 383.8 hour(s). This is 1.46% of the time which we have data for. In total: 15 day(s)* of elapsed time.
99.6 | 87.5 hours This monitor has been operational for 99.6% of its total time we have data for. There are 87.59 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Whiston Park (Eccleston Pk) CSO" is 2021, discharging sewage for 166.4 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
Longwood Mill Brook | 46 Spills | 162.6 hours | 1.85 The declared body of water receiving this discharge is the "Longwood Mill Brook" This station discharged sewage 46 time(s) during 2023. The station discharged for a total of 162.6 hour(s). This is around 6 day(s)* or 1.85% of the year. The following reasons have been given for the high spill frequency in 2023: Data Collection - Confirmed Exceptional Weather – Remaining Spills Not Above Soaf Threshold 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 #
016983003
Secondary Permit #
KNW0017
2022
Longwood Mill Brook | 25 Spills | 54.8 hours | 0.62 The declared body of water receiving this discharge is the "Longwood Mill Brook" This station discharged sewage 25 time(s) during 2022. The station discharged for a total of 54.8 hour(s). This is around 2 day(s)* or 0.62% of the year.
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 #
016983003
Secondary Permit #
KNW0017
2021
Longwood Mill Brook | 44 Spills | 166.4 hours | 1.9 The declared body of water receiving this discharge is the "Longwood Mill Brook" This station discharged sewage 44 time(s) during 2021. The station discharged for a total of 166.4 hour(s). This is around 6 day(s)* or 1.9% 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 #
016983003
Secondary Permit #
KNW0017
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