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
Ketlam Drain River Nar Nt | 28 Spills | 511.9 hours | 1.94
The declared body of water receiving this discharge is the "Ketlam Drain River Nar Nt" This station has discharged sewage 28 time(s). The station has discharged for a total of 511.9 hour(s). This is 1.94% of the time which we have data for. In total: 21 day(s)* of elapsed time.
66.6 | 8759.9 hours This monitor has been operational for 66.6% of its total time we have data for. There are 8759.99 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Narborough STW" is 2023, discharging sewage for 511.9 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
Ketlam Drain River Nar Nt | 28 Spills | 511.9 hours | 5.84 The declared body of water receiving this discharge is the "Ketlam Drain River Nar Nt" This station discharged sewage 28 time(s) during 2023. The station discharged for a total of 511.9 hour(s). This is around 21 day(s)* or 5.84% 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 #
AECNF1147
Secondary Permit #
AECNF1147C
2022
Ketlam Drain River Nar Nt | 0 Spills | 0 hours | 0 The declared body of water receiving this discharge is the "Ketlam Drain River Nar Nt" This station discharged sewage 0 time(s) during 2022. The station discharged for a total of 0 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
Attribute
Value
Governing Body
The Environment Agency
Operator
Anglian Water
Primary Permit #
AECNF1147
Secondary Permit #
AECNF1147C
2021
Note: Data is potentially unreliable in 2021 Due to high unavailability of the monitor
Ketlam Drain River Nar Nt | 0 Spills | 0 hours | 0 The declared body of water receiving this discharge is the "Ketlam Drain River Nar Nt" 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 #
AECNF1147
Secondary Permit #
AECNF1147C
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Station overseen (meaning either provided, or regulated) by: The Environment Agency The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them. Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes. Information about our data sources and licenses can be found
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