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River Welland at Spalding 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.
Sewage Reports that include this Station
Operational Summary - 2021-2023
River Welland | 104 Spills |
766.4 hours | 2.91


The declared body of water receiving this discharge is the "River Welland"
This station has discharged sewage 104 time(s).
The station has discharged for a total of 766.4 hour(s).
This is 2.91% of the time which we have data for.
In total: 31 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 "Spalding STW" is 2021, discharging sewage for 437 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 Welland | 21 Spills |
104.1 hours | 1.18

The declared body of water receiving this discharge is the "River Welland"
This station discharged sewage 21 time(s) during 2023.
The station discharged for a total of 104.1 hour(s).
This is around 4 day(s)* or 1.18% 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 #AW5TS741
Secondary Permit #AW5TS741F

2022
River Welland | 38 Spills |
225.2 hours | 2.57

The declared body of water receiving this discharge is the "River Welland"
This station discharged sewage 38 time(s) during 2022.
The station discharged for a total of 225.2 hour(s).
This is around 9 day(s)* or 2.57% 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 #AW5TS741
Secondary Permit #AW5TS741F

2021
River Welland | 45 Spills |
437 hours | 4.98

The declared body of water receiving this discharge is the "River Welland"
This station discharged sewage 45 time(s) during 2021.
The station discharged for a total of 437 hour(s).
This is around 18 day(s)* or 4.98% of the year.

The following reasons have been given for the high spill frequency in 2021:
Performance - Pump Failure / Issue

The following comments have been given on the station operators intended actions:
Resolved - November

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 #AW5TS741
Secondary Permit #AW5TS741F


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