River Basins Anglian Broadland Rivers Yare Tributary of Tas Ashwellthorpe Water Recycling Ctr
River Basins . . . Tributary of Tas Ashwellthorpe Water Recycling Ctr
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Wreningham Stream River Tas N at Ashwellthorpe Water Recycling Ctr

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.
Operational Summary - 2021-2024
Wreningham Stream River Tas N | 166 Spills |
2153.9 hours | 6.14


The declared body of water receiving this discharge is the "Wreningham Stream River Tas N"
This station has discharged sewage 166 time(s).
The station has discharged for a total of 2153.9 hour(s).
This is 6.14% of the time which we have data for.
In total: 89 day(s)* of elapsed time.

91.5 | 2980.4 hours
This monitor has been operational for 91.5% of its total time we have data for.
There are 2980.44 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Ashwellthorpe Water Recycling Ctr" is 2024, discharging sewage for 1607 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 - 2024
Wreningham Stream River Tas N | 82 Spills |
1607 hours | 18.29

The declared body of water receiving this discharge is the "Wreningham Stream River Tas N"
This station discharged sewage 82 time(s) during 2024.
The station discharged for a total of 1607 hour(s).
This is around 66 day(s)* or 18.29% of the year.

The following reasons have been given for the high spill frequency in 2024:
Data Collection - Confirmed Exceptional Weather

The following comments have been given on the station operators intended actions:
No Improvement Action In Reporting Period

66.3 | 2960.2 hours
This monitor was operational for 66.3% of the year.
Leaving 2960.2 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 2024:
Installation Set-Up/Design Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2024:
N/A - Ongoing Investigation


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorAnglian Water
Primary Permit #AEENF1256
Secondary Permit #AEENF1256C

2023
Wreningham Stream River Tas N | 72 Spills |
506.2 hours | 5.77

The declared body of water receiving this discharge is the "Wreningham Stream River Tas N"
This station discharged sewage 72 time(s) during 2023.
The station discharged for a total of 506.2 hour(s).
This is around 21 day(s)* or 5.77% 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

AttributeValue
Governing BodyThe Environment Agency
OperatorAnglian Water
Primary Permit #AEENF1256
Secondary Permit #AEENF1256C

2022
Wreningham Stream River Tas N | 11 Spills |
40.2 hours | 0.45

The declared body of water receiving this discharge is the "Wreningham Stream River Tas N"
This station discharged sewage 11 time(s) during 2022.
The station discharged for a total of 40.2 hour(s).
This is around 1 day(s)* or 0.45% 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

AttributeValue
Governing BodyThe Environment Agency
OperatorAnglian Water
Primary Permit #AEENF1256
Secondary Permit #AEENF1256C

2021
Wreningham Stream River Tas N | 1 Spills |
0.5 hours | 0

The declared body of water receiving this discharge is the "Wreningham Stream River Tas N"
This station discharged sewage 1 time(s) during 2021.
The station discharged for a total of 0.5 hour(s).
This is around 0 day(s)* or 0% 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

AttributeValue
Governing BodyThe Environment Agency
OperatorAnglian Water
Primary Permit #AEENF1256
Secondary Permit #AEENF1256C


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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
None
Nearby Stations
No nearby stations
Nearby Sewage Discharge Stations
No nearby stations
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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