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
Wells Brook | 146 Spills | 348.2 hours | 1.32
The declared body of water receiving this discharge is the "Wells Brook" This station has discharged sewage 146 time(s). The station has discharged for a total of 348.2 hour(s). This is 1.32% of the time which we have data for. In total: 14 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 "Prospect Road CSO, A" is 2021, discharging sewage for 171.9 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
Wells Brook | 48 Spills | 95.2 hours | 1.08 The declared body of water receiving this discharge is the "Wells Brook" This station discharged sewage 48 time(s) during 2023. The station discharged for a total of 95.2 hour(s). This is around 3 day(s)* or 1.08% of the year. The following reasons have been given for the high spill frequency in 2023: Performance - Sewer Collapse (Partial / Full) - Infrastructure Issue The following comments have been given on the station operators intended actions: Scheduled
95.2 | 416.1 hours This monitor was operational for 95.2% of the year. Leaving 416.1 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
Thames Water
Primary Permit #
CANM.0911
Secondary Permit #
CANM.0911
2022
Wells Brook | 40 Spills | 80.9 hours | 0.92 The declared body of water receiving this discharge is the "Wells Brook" This station discharged sewage 40 time(s) during 2022. The station discharged for a total of 80.9 hour(s). This is around 3 day(s)* or 0.92% of the year. The following reasons have been given for the high spill frequency in 2022: Performance - Partial / No Capacity Due To Blockage Or Restriction (E.G. Roots / Grid) - Maintenance Issue The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
96.8 | 278.5 hours This monitor was operational for 96.8% of the year. Leaving 278.5 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
Thames Water
Primary Permit #
CANM.0911
Secondary Permit #
CANM.0911
2021
Wells Brook | 58 Spills | 171.9 hours | 1.96 The declared body of water receiving this discharge is the "Wells Brook" This station discharged sewage 58 time(s) during 2021. The station discharged for a total of 171.9 hour(s). This is around 7 day(s)* or 1.96% 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 - Ongoing Investigation
96.2 | 327.6 hours This monitor was operational for 96.2% of the year. Leaving 327.6 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
Thames Water
Primary Permit #
CANM.0911
Secondary Permit #
CANM.0911
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