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 Douglas | 377 Spills | 2548.9 hours | 9.69
The declared body of water receiving this discharge is the "River Douglas" This station has discharged sewage 377 time(s). The station has discharged for a total of 2548.9 hour(s). This is 9.69% of the time which we have data for. In total: 106 day(s)* of elapsed time.
75.3 | 6482.4 hours This monitor has been operational for 75.3% of its total time we have data for. There are 6482.4 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Mill Lane CSO 49201" is 2023, discharging sewage for 1131.5 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 | 151 Spills | 1131.5 hours | 12.91 The declared body of water receiving this discharge is the "River Douglas" This station discharged sewage 151 time(s) during 2023. The station discharged for a total of 1131.5 hour(s). This is around 47 day(s)* or 12.91% 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
91 | 783.1 hours This monitor was operational for 91% of the year. Leaving 783.1 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
United Utilities
Primary Permit #
017091498
Secondary Permit #
WIG0164
2022
River Douglas | 111 Spills | 689.8 hours | 7.87 The declared body of water receiving this discharge is the "River Douglas" This station discharged sewage 111 time(s) during 2022. The station discharged for a total of 689.8 hour(s). This is around 28 day(s)* or 7.87% 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
85.6 | 1254.4 hours This monitor was operational for 85.6% of the year. Leaving 1254.4 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 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
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
016982772
Secondary Permit #
WIG0164
2021
Note: Data is potentially unreliable in 2021 Due to high unavailability of the monitor
Dane-In-Shaw Brook | 115 Spills | 727.5 hours | 8.3 The declared body of water receiving this discharge is the "Dane-In-Shaw Brook" This station discharged sewage 115 time(s) during 2021. The station discharged for a total of 727.5 hour(s). This is around 30 day(s)* or 8.3% 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
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: 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
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
017091498
Secondary Permit #
WIG0164
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Douglas at Parbold, along the right bank of the river downstream of the Canal Bridge
River Douglas at Appley Bridge
River Douglas at Wigan, adjacent to River Douglas from Robin Park to Baker St. Poolstock
River Douglas at Parbold, between canal bridge and West View and the Wayfarer Pub off Alder Lane
Upper River Douglas
River Douglas at Wigan, between Scholes and Poolstock
River Douglas at Parbold, comprising low lying properties near canal and Alder Lane
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