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 Ouse | 276 Spills | 1493.8 hours | 5.68
The declared body of water receiving this discharge is the "River Ouse" This station has discharged sewage 276 time(s). The station has discharged for a total of 1493.8 hour(s). This is 5.68% of the time which we have data for. In total: 62 day(s)* of elapsed time.
66.6 | 8759.9 hours This monitor has been operational for 66.6% of its total time we have data for. There are 8759.99 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Trafalgar Street CSO" is 2023, discharging sewage for 1080.3 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
River Ouse | 158 Spills | 1080.3 hours | 12.33 The declared body of water receiving this discharge is the "River Ouse" This station discharged sewage 158 time(s) during 2023. The station discharged for a total of 1080.3 hour(s). This is around 45 day(s)* or 12.33% of the year. The following reasons have been given for the high spill frequency in 2023: N/A - Ongoing Investigation The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
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
Yorkshire Water
Primary Permit #
1282
Secondary Permit #
1282 A1
2022
River Ouse | 118 Spills | 413.5 hours | 4.72 The declared body of water receiving this discharge is the "River Ouse" This station discharged sewage 118 time(s) during 2022. The station discharged for a total of 413.5 hour(s). This is around 17 day(s)* or 4.72% of the year. The following reasons have been given for the high spill frequency in 2022: Data Collection - Tidal / River Inundation The following comments have been given on the station operators intended actions: Scheduled
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
Yorkshire Water
Primary Permit #
1282
Secondary Permit #
1282 A1
2021
Note: Data is potentially unreliable in 2021 Due to high unavailability of the monitor
River Ouse | 0 Spills | 0 hours | 0 The declared body of water receiving this discharge is the "River Ouse" This station discharged sewage 0 time(s) during 2021. The station discharged for a total of 0 hour(s). This is around 0 day(s)* or 0% of the year.
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 2021: Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2021: Scheduled
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Yorkshire Water
Primary Permit #
1282
Secondary Permit #
1282 A1
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 Ouse at York - North Street
River Ouse at York - riverside properties
River Ouse at Bishopthorpe
River Ouse at York - Peckitt Street
River Ouse at Poppleton
Upper River Ouse
River Ouse at Naburn
River Ouse at Beningbrough and Red House
River Ouse at York - Skeldergate and Tower Street
River Ouse at York - Clifton
River Ouse at Naburn Lock
River Ouse at Acaster Selby
River Ouse at York - St George's Field and Queen's Staith
River Ouse at York - Leeman Road
River Ouse at York - Fulford Road
River Ouse at York - Skeldergate
River Ouse at York - Marygate
River Ouse at York - Clementhorpe, Ebor Street and South Bank
River Ouse at Acaster Malbis
River Ouse at York - Rawcliffe and York Business Park
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
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