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 Mersey | 52 Spills | 70.7 hours | 0.26
The declared body of water receiving this discharge is the "River Mersey" This station has discharged sewage 52 time(s). The station has discharged for a total of 70.7 hour(s). This is 0.26% of the time which we have data for. In total: 2 day(s)* of elapsed time.
98 | 525.6 hours This monitor has been operational for 98% of its total time we have data for. There are 525.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Heaton Moor CSO 431yx" is 2021, discharging sewage for 28.1 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 Mersey | 27 Spills | 25.1 hours | 0.28 The declared body of water receiving this discharge is the "River Mersey" This station discharged sewage 27 time(s) during 2023. The station discharged for a total of 25.1 hour(s). This is around 1 day(s)* or 0.28% 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
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
016982679
Secondary Permit #
STK0119
2022
River Mersey | 14 Spills | 17.4 hours | 0.19 The declared body of water receiving this discharge is the "River Mersey" This station discharged sewage 14 time(s) during 2022. The station discharged for a total of 17.4 hour(s). This is around 0 day(s)* or 0.19% of the year.
94.5 | 477.4 hours This monitor was operational for 94.5% of the year. Leaving 477.4 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 #
016982679
Secondary Permit #
STK0119
2021
River Mersey | 11 Spills | 28.1 hours | 0.32 The declared body of water receiving this discharge is the "River Mersey" This station discharged sewage 11 time(s) during 2021. The station discharged for a total of 28.1 hour(s). This is around 1 day(s)* or 0.32% 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
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
016982679
Secondary Permit #
STK0119
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Mersey at Chorlton & Sale Golf Clubs, Chorlton Water Parks and Stretford
River Mersey at East Didsbury, from Tuscan Road to Wilmslow Road
Old Eea Brook at Urmston
River Mersey at Urmston and Ashton-on-Mersey
River Mersey at Flixton Rural
Middle River Mersey catchment including areas near Bramhall, Stockport, Sale, Altrincham and Urmston
River Mersey at West Didsbury, Northenden Golf Club and Palatine Road
Gatley Brook at Sharston Industrial Estate
River Mersey at West Didsbury, Mersey Bank Playing Fields and surrounding areas
River Mersey at East Didsbury, Millgate Lane and Stenner Lane areas
River Mersey at Fletcher Moss and Withington Golf Course
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