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 Roch | 264 Spills | 2748.1 hours | 10.45
The declared body of water receiving this discharge is the "River Roch" This station has discharged sewage 264 time(s). The station has discharged for a total of 2748.1 hour(s). This is 10.45% of the time which we have data for. In total: 114 day(s)* of elapsed time.
99.3 | 175.2 hours This monitor has been operational for 99.3% of its total time we have data for. There are 175.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Heywood (Botany STW) CSO" is 2023, discharging sewage for 1218.1 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 Roch | 107 Spills | 1218.1 hours | 13.9 The declared body of water receiving this discharge is the "River Roch" This station discharged sewage 107 time(s) during 2023. The station discharged for a total of 1218.1 hour(s). This is around 50 day(s)* or 13.9% of the year. The following reasons have been given for the high spill frequency in 2023: Performance - Other Maintenance / Capital Works (E.G. Jetting) The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
99.9 | 2.6 hours This monitor was operational for 99.9% of the year. Leaving 2.6 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 #
016950082
Secondary Permit #
ROC0139
2022
River Roch | 67 Spills | 589.6 hours | 6.73 The declared body of water receiving this discharge is the "River Roch" This station discharged sewage 67 time(s) during 2022. The station discharged for a total of 589.6 hour(s). This is around 24 day(s)* or 6.73% 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
99.9 | 2.6 hours This monitor was operational for 99.9% of the year. Leaving 2.6 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 #
016950082
Secondary Permit #
ROC0139
2021
River Roch | 90 Spills | 940.3 hours | 10.73 The declared body of water receiving this discharge is the "River Roch" This station discharged sewage 90 time(s) during 2021. The station discharged for a total of 940.3 hour(s). This is around 39 day(s)* or 10.73% 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
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 #
016950082
Secondary Permit #
ROC0139
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Local Information
Nearby Flood Warnings
Upper River Irwell catchment with Oldham, Bolton, Rochdale, Haslingden, Ramsbottom and Rawtenstall
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