River Leen at Bulwell - Main Street/Carey Rd CSO

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 Leen | 24 Spills |
36.2 hours | 0.13

The declared body of water receiving this discharge is the "River Leen"
This station has discharged sewage 24 time(s).
The station has discharged for a total of 36.2 hour(s).
This is 0.13% of the time which we have data for.
In total: 1 day(s)* of elapsed time.

90 | 2628 hours
This monitor has been operational for 90% of its total time we have data for.
There are 2628 hours unaccounted for due to downtime of the monitor.

The worst year in our records for the "Bulwell - Main Street/Carey Rd CSO" is 2023, discharging sewage for 32.2 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 Leen | 16 Spills |
32.2 hours | 0.36
The declared body of water receiving this discharge is the "River Leen"
This station discharged sewage 16 time(s) during 2023.
The station discharged for a total of 32.2 hour(s).
This is around 1 day(s)* or 0.36% of the year.

99.7 | 26.2 hours
This monitor was operational for 99.7% of the year.
Leaving 26.2 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	Severn Trent Water
Primary Permit #	T/63/40225/O
Secondary Permit #	T/63/40225/O

2022

Note: Data is potentially unreliable in 2022
Due to high unavailability of the monitor

River Leen | 3 Spills |
1.3 hours | 0.01
The declared body of water receiving this discharge is the "River Leen"
This station discharged sewage 3 time(s) during 2022.
The station discharged for a total of 1.3 hour(s).
This is around 0 day(s)* or 0.01% of the year.

72.3 | 2426.5 hours
This monitor was operational for 72.3% of the year.
Leaving 2426.5 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given

The following reasons have been given for the downtime in 2022:
Sensor Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2022:
Resolved - Aug

*This is total time in days, not individual days of the year.

Permit & Governance

Attribute	Value
Governing Body	The Environment Agency
Operator	Severn Trent Water
Primary Permit #	T/63/40225/O
Secondary Permit #	T/63/40225/O

2021

River Leen | 5 Spills |
2.6 hours | 0.03
The declared body of water receiving this discharge is the "River Leen"
This station discharged sewage 5 time(s) during 2021.
The station discharged for a total of 2.6 hour(s).
This is around 0 day(s)* or 0.03% of the year.

99.5 | 42 hours
This monitor was operational for 99.5% of the year.
Leaving 42 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	Severn Trent Water
Primary Permit #	T/63/40225/O
Secondary Permit #	T/63/40225/O

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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

River Leen at Bulwell

Baker Lane Brook at Hucknall and Titchfield

Station Data Information

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