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Unnamed Tributary River Witham at Swinderby(Exraf) STW

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 - 2021-2023
Unnamed Tributary River Witham | 130 Spills |
2652.7 hours | 10.09


The declared body of water receiving this discharge is the "Unnamed Tributary River Witham"
This station has discharged sewage 130 time(s).
The station has discharged for a total of 2652.7 hour(s).
This is 10.09% of the time which we have data for.
In total: 110 day(s)* of elapsed time.

100 | 0 hours
This monitor has been operational for 100% of its total time we have data for.
There are 0 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Swinderby(Exraf) STW" is 2023, discharging sewage for 1865.9 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
Unnamed Tributary River Witham | 91 Spills |
1865.9 hours | 21.3

The declared body of water receiving this discharge is the "Unnamed Tributary River Witham"
This station discharged sewage 91 time(s) during 2023.
The station discharged for a total of 1865.9 hour(s).
This is around 77 day(s)* or 21.3% of the year.

The following reasons have been given for the high spill frequency in 2023:
Data Collection - Edm Non-Representative Location

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

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 #ANNNF13397
Secondary Permit #ANNNF13397/V002

2022
Unnamed Tributary River Witham | 36 Spills |
747.5 hours | 8.53

The declared body of water receiving this discharge is the "Unnamed Tributary River Witham"
This station discharged sewage 36 time(s) during 2022.
The station discharged for a total of 747.5 hour(s).
This is around 31 day(s)* or 8.53% 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 #ANNNF13397
Secondary Permit #ANNNF13397/V002

2021
Unnamed Tributary River Witham | 3 Spills |
39.3 hours | 0.44

The declared body of water receiving this discharge is the "Unnamed Tributary River Witham"
This station discharged sewage 3 time(s) during 2021.
The station discharged for a total of 39.3 hour(s).
This is around 1 day(s)* or 0.44% 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 #ANNNF13397
Secondary Permit #ANNNF13397/V002


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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
No flood warning icon

River Witham in Grantham


No flood warning icon

Isolated properties and villages near the River Witham from South Witham to Claypole


No flood warning icon

River Witham in Marston and Hougham


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