River Basins . . . Douglas - Lower Gathurst Lane Shevington CSO
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River Douglas at Gathurst Lane Shevington 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
River Douglas | 169 Spills |
1372.2 hours | 5.22


The declared body of water receiving this discharge is the "River Douglas"
This station has discharged sewage 169 time(s).
The station has discharged for a total of 1372.2 hour(s).
This is 5.22% of the time which we have data for.
In total: 57 day(s)* of elapsed time.

93.6 | 1664.3 hours
This monitor has been operational for 93.6% of its total time we have data for.
There are 1664.39 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Gathurst Lane Shevington CSO" is 2022, discharging sewage for 1225 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 Douglas | 55 Spills |
94.5 hours | 1.07

The declared body of water receiving this discharge is the "River Douglas"
This station discharged sewage 55 time(s) during 2023.
The station discharged for a total of 94.5 hour(s).
This is around 3 day(s)* or 1.07% 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

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
OperatorUnited Utilities
Primary Permit #017091564
Secondary Permit #WIG0031

2022
River Douglas | 86 Spills |
1225 hours | 13.98

The declared body of water receiving this discharge is the "River Douglas"
This station discharged sewage 86 time(s) during 2022.
The station discharged for a total of 1225 hour(s).
This is around 51 day(s)* or 13.98% 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

81.8 | 1587.3 hours
This monitor was operational for 81.8% of the year.
Leaving 1587.3 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 2022:
Sensor Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2022:
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 #017091564
Secondary Permit #WIG0031

2021
River Douglas | 28 Spills |
52.6 hours | 0.6

The declared body of water receiving this discharge is the "River Douglas"
This station discharged sewage 28 time(s) during 2021.
The station discharged for a total of 52.6 hour(s).
This is around 2 day(s)* or 0.6% 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
OperatorUnited Utilities
Primary Permit #017091564
Secondary Permit #WIG0031


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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
No flood warning icon

River Douglas at Parbold, along the right bank of the river downstream of the Canal Bridge


No flood warning icon

River Douglas at Appley Bridge


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River Douglas at Wigan, adjacent to River Douglas from Robin Park to Baker St. Poolstock


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River Douglas at Parbold, between canal bridge and West View and the Wayfarer Pub off Alder Lane


No flood warning icon

Upper River Douglas


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River Douglas at Wigan, between Scholes and Poolstock


No flood warning icon

River Douglas at Parbold, comprising low lying properties near canal and Alder Lane


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