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 Witham | 60 Spills | 545.8 hours | 2.07
The declared body of water receiving this discharge is the "River Witham" This station has discharged sewage 60 time(s). The station has discharged for a total of 545.8 hour(s). This is 2.07% of the time which we have data for. In total: 22 day(s)* of elapsed time.
66.3 | 8847.6 hours This monitor has been operational for 66.3% of its total time we have data for. There are 8847.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Claypole STW" is 2023, discharging sewage for 318.8 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 Witham | 36 Spills | 318.8 hours | 3.64 The declared body of water receiving this discharge is the "River Witham" This station discharged sewage 36 time(s) during 2023. The station discharged for a total of 318.8 hour(s). This is around 13 day(s)* or 3.64% of the year.
99.9 | 2.6 hours This monitor was operational for 99.9% of the year. Leaving 2.6 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 #
ANNNF13354
Secondary Permit #
ANNNF3223/13354
2022
River Witham | 24 Spills | 227 hours | 2.59 The declared body of water receiving this discharge is the "River Witham" This station discharged sewage 24 time(s) during 2022. The station discharged for a total of 227 hour(s). This is around 9 day(s)* or 2.59% 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 #
ANNNF13354
Secondary Permit #
ANNNF3223/13354
2021
Note: Data is potentially unreliable in 2021 Due to high unavailability of the monitor
River Witham | 0 Spills | 0 hours | 0 The declared body of water receiving this discharge is the "River Witham" This station discharged sewage 0 time(s) during 2021. The station discharged for a total of 0 hour(s). This is around 0 day(s)* or 0% of the year.
0 | 8760 hours This monitor was operational for 0% of the year. Leaving 8760 hours unaccounted for in the data. This falls below the 90% threshold where a reason should be given
*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 #
ANNNF13354
Secondary Permit #
ANNNF3223/13354
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Witham in Grantham
Isolated properties and villages near the River Witham from South Witham to Claypole
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