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Dean Brook at Brook Deans Close 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
Dean Brook | 62 Spills |
97.5 hours | 0.37


The declared body of water receiving this discharge is the "Dean Brook"
This station has discharged sewage 62 time(s).
The station has discharged for a total of 97.5 hour(s).
This is 0.37% of the time which we have data for.
In total: 4 day(s)* of elapsed time.

82.6 | 4555.1 hours
This monitor has been operational for 82.6% of its total time we have data for.
There are 4555.19 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Brook Deans Close CSO" is 2023, discharging sewage for 56.4 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
Dean Brook | 38 Spills |
56.4 hours | 0.64

The declared body of water receiving this discharge is the "Dean Brook"
This station discharged sewage 38 time(s) during 2023.
The station discharged for a total of 56.4 hour(s).
This is around 2 day(s)* or 0.64% of the year.

99.9 | 0.8 hours
This monitor was operational for 99.9% of the year.
Leaving 0.8 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
OperatorUnited Utilities
Primary Permit #016982822
Secondary Permit #BOL0179

2022
Dean Brook A Tributary Of The River Tonge | 9 Spills |
12 hours | 0.13

The declared body of water receiving this discharge is the "Dean Brook A Tributary Of The River Tonge"
This station discharged sewage 9 time(s) during 2022.
The station discharged for a total of 12 hour(s).
This is around 0 day(s)* or 0.13% of the year.

99.9 | 4.3 hours
This monitor was operational for 99.9% of the year.
Leaving 4.3 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
OperatorUnited Utilities
Primary Permit #016982822
Secondary Permit #BOL0179

2021
Dean Brook | 15 Spills |
29.1 hours | 0.33

The declared body of water receiving this discharge is the "Dean Brook"
This station discharged sewage 15 time(s) during 2021.
The station discharged for a total of 29.1 hour(s).
This is around 1 day(s)* or 0.33% of the year.

50 | 4380 hours
This monitor was operational for 50% of the year.
Leaving 4380 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 2021:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
N/A - Ongoing Investigation


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

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorUnited Utilities
Primary Permit #016982822
Secondary Permit #BOL0179


FloodMapper is not affiliated with this monitoring stations operator(s) or any other entities that may be mentioned on this page.
All trademarks and registered trademarks are the property of their respective owners.

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
No flood warning icon

Lee's Bridge at Astley Bridge Central


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