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
Tributary Of River Darwen | 455 Spills | 1794.1 hours | 6.82
The declared body of water receiving this discharge is the "Tributary Of River Darwen" This station has discharged sewage 455 time(s). The station has discharged for a total of 1794.1 hour(s). This is 6.82% of the time which we have data for. In total: 74 day(s)* of elapsed time.
66.3 | 8847.6 hours This monitor has been operational for 66.3% of its total time we have data for. There are 8847.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Sharples Street CSO" is 2021, discharging sewage for 965.3 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
Tributary Of River Darwen | 206 Spills | 828.8 hours | 9.46 The declared body of water receiving this discharge is the "Tributary Of River Darwen" This station discharged sewage 206 time(s) during 2023. The station discharged for a total of 828.8 hour(s). This is around 34 day(s)* or 9.46% 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
99.7 | 23.6 hours This monitor was operational for 99.7% of the year. Leaving 23.6 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 #
01BBN0038
Secondary Permit #
BBN0038
2022
Note: Data is potentially unreliable in 2022 Due to high unavailability of the monitor
Culverted Tributary Of River Darwen | 0 Spills | 0 hours | 0 The declared body of water receiving this discharge is the "Culverted Tributary Of River Darwen" This station discharged sewage 0 time(s) during 2022. The station discharged for a total of 0 hour(s). This is around 0 day(s)* or 0% 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
0 | 8760 hours This monitor was operational for 0% of the year. Leaving 8760 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: Comms 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 #
01BBN0038
Secondary Permit #
BBN0038
2021
Tributary Of River Darwen | 249 Spills | 965.3 hours | 11.01 The declared body of water receiving this discharge is the "Tributary Of River Darwen" This station discharged sewage 249 time(s) during 2021. The station discharged for a total of 965.3 hour(s). This is around 40 day(s)* or 11.01% 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 #
01BBN0038
Secondary Permit #
BBN0038
FloodMapper is not affiliated with this monitoring stations operator(s) or any other entities that may be mentioned on this page. All trademarks and registered trademarks are the property of their respective owners. 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
River Darwen at Ewood and Waterfall in Blackburn
Ewood Mill Race at Ewood, Blackburn
River Darwen at Lower Darwen, Ewood and Waterfall in Blackburn
Station overseen (meaning either provided, or regulated) by: The Environment Agency The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them. Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes. Information about our data sources and licenses can be found
FloodMapper is an independent site and is not associated with any government bodies (e.g. Environment Agency).