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
River Wensum | 18 Spills | 27.5 hours | 0.1
The declared body of water receiving this discharge is the "River Wensum" This station has discharged sewage 18 time(s). The station has discharged for a total of 27.5 hour(s). This is 0.1% of the time which we have data for. In total: 1 day(s)* of elapsed time.
90 | 2628 hours This monitor has been operational for 90% of its total time we have data for. There are 2628 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Norwich Cow Tower CSO" is 2021, discharging sewage for 14.9 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
River Wensum | 0 Spills | 0 hours | 0 The declared body of water receiving this discharge is the "River Wensum" This station discharged sewage 0 time(s) during 2023. The station discharged for a total of 0 hour(s). This is around 0 day(s)* or 0% of the year. The following reasons have been given for the high spill frequency in 2023: N/A - Ongoing Investigation
76.9 | 2021.8 hours This monitor was operational for 76.9% of the year. Leaving 2021.8 hours unaccounted for in the data. This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2023: Comms Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023: Resolved - May
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Anglian Water
Primary Permit #
AEETF12149
Secondary Permit #
AEETF 3260/12149/V001
2022
River Wensum | 13 Spills | 12.6 hours | 0.14 The declared body of water receiving this discharge is the "River Wensum" This station discharged sewage 13 time(s) during 2022. The station discharged for a total of 12.6 hour(s). This is around 0 day(s)* or 0.14% of the year. The following reasons have been given for the high spill frequency in 2022: N/A - Ongoing Investigation The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
94.6 | 465.1 hours This monitor was operational for 94.6% of the year. Leaving 465.1 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
Anglian Water
Primary Permit #
AEETF12149
Secondary Permit #
AEETF 3260/12149/V001
2021
River Wensum | 5 Spills | 14.9 hours | 0.17 The declared body of water receiving this discharge is the "River Wensum" This station discharged sewage 5 time(s) during 2021. The station discharged for a total of 14.9 hour(s). This is around 0 day(s)* or 0.17% of the year.
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
Anglian Water
Primary Permit #
AEETF12149
Secondary Permit #
AEETF 3260/12149/V001
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
The River Wensum from New Costessey to Thorpe Bridge at Norwich
The River Wensum, through Norwich
Riverside properties on the River Wensum, through Norwich
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