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Bradley Brook (Tributary Of River Douglas) at Bradley Lane 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.
Operational Summary - 2021-2023
Bradley Brook (Tributary Of River Douglas) | 276 Spills |
823.5 hours | 3.13


The declared body of water receiving this discharge is the " Bradley Brook (Tributary Of River Douglas)"
This station has discharged sewage 276 time(s).
The station has discharged for a total of 823.5 hour(s).
This is 3.13% of the time which we have data for.
In total: 34 day(s)* of elapsed time.

77.3 | 5956.8 hours
This monitor has been operational for 77.3% of its total time we have data for.
There are 5956.8 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Bradley Lane CSO" is 2023, discharging sewage for 340.8 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
Bradley Brook (Tributary Of River Douglas) | 103 Spills |
340.8 hours | 3.89

The declared body of water receiving this discharge is the " Bradley Brook (Tributary Of River Douglas)"
This station discharged sewage 103 time(s) during 2023.
The station discharged for a total of 340.8 hour(s).
This is around 14 day(s)* or 3.89% of the year.

The following reasons have been given for the high spill frequency in 2023:
Not Asset Maintenance - Hydraulic Capacity

The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity

71.3 | 2512.3 hours
This monitor was operational for 71.3% of the year.
Leaving 2512.3 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 2023:
Sensor Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
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 #017091499
Secondary Permit #WIG0166

2022
Bradley Brook (Tributary Of River Douglas) | 87 Spills |
240.6 hours | 2.74

The declared body of water receiving this discharge is the "Bradley Brook (Tributary Of River Douglas)"
This station discharged sewage 87 time(s) during 2022.
The station discharged for a total of 240.6 hour(s).
This is around 10 day(s)* or 2.74% of the year.

The following reasons have been given for the high spill frequency in 2022:
Not Asset Maintenance - Hydraulic Capacity

The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity

90.8 | 803.2 hours
This monitor was operational for 90.8% of the year.
Leaving 803.2 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
OperatorUnited Utilities
Primary Permit #17091499
Secondary Permit #WIG0166

2021
River Mersey | 86 Spills |
242 hours | 2.76

The declared body of water receiving this discharge is the "River Mersey"
This station discharged sewage 86 time(s) during 2021.
The station discharged for a total of 242 hour(s).
This is around 10 day(s)* or 2.76% of the year.

The following reasons have been given for the high spill frequency in 2021:
Not Asset Maintenance - Hydraulic Capacity

The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity

71 | 2540.4 hours
This monitor was operational for 71% of the year.
Leaving 2540.4 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:
Sensor Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
Resolved - December


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

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorUnited Utilities
Primary Permit #016982547
Secondary Permit #WIG0166


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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
Flood alert icon

Middle River Mersey catchment including areas near Bramhall, Stockport, Sale, Altrincham and Urmston


Nearby Alert Areas
No flood warning icon

River Mersey at Chorlton & Sale Golf Clubs, Chorlton Water Parks and Stretford


No flood warning icon

River Mersey at East Didsbury, from Tuscan Road to Wilmslow Road


No flood warning icon

Old Eea Brook at Urmston


No flood warning icon

River Mersey at Urmston and Ashton-on-Mersey


No flood warning icon

River Mersey at Flixton Rural


No flood warning icon

River Mersey at West Didsbury, Northenden Golf Club and Palatine Road


No flood warning icon

Gatley Brook at Sharston Industrial Estate


No flood warning icon

River Mersey at West Didsbury, Mersey Bank Playing Fields and surrounding areas


No flood warning icon

River Mersey at East Didsbury, Millgate Lane and Stenner Lane areas


No flood warning icon

River Mersey at Fletcher Moss and Withington Golf Course


No flood warning icon

River Mersey at Flixton Village


No flood warning icon

River Mersey at Northenden


No flood warning icon

River Mersey at Sale Water Park


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