River Basins . . . Middle Level Elwyn Road Combined Sewer Overflow
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River Nene (Old Course) at Elwyn Road Combined Sewer Overflow

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 Nene (Old Course) | 63 Spills |
248 hours | 0.94


The declared body of water receiving this discharge is the "River Nene (Old Course)"
This station has discharged sewage 63 time(s).
The station has discharged for a total of 248 hour(s).
This is 0.94% of the time which we have data for.
In total: 10 day(s)* of elapsed time.

99 | 262.8 hours
This monitor has been operational for 99% of its total time we have data for.
There are 262.8 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Elwyn Road Combined Sewer Overflow" is 2023, discharging sewage for 111.2 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 Nene (Old Course) | 24 Spills |
111.2 hours | 1.26

The declared body of water receiving this discharge is the "River Nene (Old Course)"
This station discharged sewage 24 time(s) during 2023.
The station discharged for a total of 111.2 hour(s).
This is around 4 day(s)* or 1.26% 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 #AECNF11503
Secondary Permit #AECNF3513/11503/V001

2022
River Nene (Old Course) | 20 Spills |
79.2 hours | 0.9

The declared body of water receiving this discharge is the "River Nene (Old Course)"
This station discharged sewage 20 time(s) during 2022.
The station discharged for a total of 79.2 hour(s).
This is around 3 day(s)* or 0.9% of the year.

99.9 | 5.2 hours
This monitor was operational for 99.9% of the year.
Leaving 5.2 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 #AECNF11503
Secondary Permit #AECNF3513/11503/V001

2021
River Nene (Old Course) | 19 Spills |
57.5 hours | 0.65

The declared body of water receiving this discharge is the "River Nene (Old Course)"
This station discharged sewage 19 time(s) during 2021.
The station discharged for a total of 57.5 hour(s).
This is around 2 day(s)* or 0.65% of the year.

98.1 | 162 hours
This monitor was operational for 98.1% of the year.
Leaving 162 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 #AECNF11503
Secondary Permit #AECNF3513/11503/V001


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