The River Wensum (Tidal) at Norwich - Prince Of Wales Road 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.

Sewage Reports that include this Station

Operational Summary - 2021-2023

The River Wensum (Tidal) | 137 Spills |
93.1 hours | 0.35

The declared body of water receiving this discharge is the "The River Wensum (Tidal)"
This station has discharged sewage 137 time(s).
The station has discharged for a total of 93.1 hour(s).
This is 0.35% of the time which we have data for.
In total: 3 day(s)* of elapsed time.

88.6 | 2978.3 hours
This monitor has been operational for 88.6% of its total time we have data for.
There are 2978.39 hours unaccounted for due to downtime of the monitor.

The worst year in our records for the "Norwich - Prince Of Wales Road CSO" is 2021, discharging sewage for 50.9 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

The River Wensum (Tidal) | 57 Spills |
36.7 hours | 0.41
The declared body of water receiving this discharge is the "The River Wensum (Tidal)"
This station discharged sewage 57 time(s) during 2023.
The station discharged for a total of 36.7 hour(s).
This is around 1 day(s)* or 0.41% 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

99.8 | 12.2 hours
This monitor was operational for 99.8% of the year.
Leaving 12.2 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	Anglian Water
Primary Permit #	EPRGB3598AA
Secondary Permit #	EPR/GB3598AA

2022

The River Wensum (Tidal) | 22 Spills |
5.4 hours | 0.06
The declared body of water receiving this discharge is the "The River Wensum (Tidal)"
This station discharged sewage 22 time(s) during 2022.
The station discharged for a total of 5.4 hour(s).
This is around 0 day(s)* or 0.06% of the year.

93.8 | 540.4 hours
This monitor was operational for 93.8% of the year.
Leaving 540.4 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 #	EPRGB3598AA
Secondary Permit #	EPR/GB3598AA

2021

Note: Data is potentially unreliable in 2021
Due to high unavailability of the monitor

The River Wensum (Tidal) | 58 Spills |
50.9 hours | 0.58
The declared body of water receiving this discharge is the "The River Wensum (Tidal)"
This station discharged sewage 58 time(s) during 2021.
The station discharged for a total of 50.9 hour(s).
This is around 2 day(s)* or 0.58% of the year.

The following reasons have been given for the high spill frequency in 2021:
Data Collection - Edm Non-Representative Location

The following comments have been given on the station operators intended actions:
Scheduled

74.5 | 2231.1 hours
This monitor was operational for 74.5% of the year.
Leaving 2231.1 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 2021:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
N/A - Ongoing Investigation

*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 #	EPRGB3598AA
Secondary Permit #	EPR/GB3598AA

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Operator comments are presented, unedited, as they were received by us and do not reflect our views or position

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

Station Data Information

Station overseen (meaning either provided, or regulated) by: The Environment Agency
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