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River Foss at Lowther Street CSO

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 Foss | 24 Spills |
25.8 hours | 0.09


The declared body of water receiving this discharge is the "River Foss"
This station has discharged sewage 24 time(s).
The station has discharged for a total of 25.8 hour(s).
This is 0.09% of the time which we have data for.
In total: 1 day(s)* of elapsed time.

99 | 262.8 hours
This monitor has been operational for 99% of its total time we have data for.
There are 262.8 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Lowther Street CSO" is 2021, discharging sewage for 13.4 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 Foss | 8 Spills |
6.6 hours | 0.07

The declared body of water receiving this discharge is the "River Foss"
This station discharged sewage 8 time(s) during 2023.
The station discharged for a total of 6.6 hour(s).
This is around 0 day(s)* or 0.07% of the year.

99.9 | 0.8 hours
This monitor was operational for 99.9% of the year.
Leaving 0.8 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #EPRUP3228GU
Secondary Permit #EPR/UP3228GU A1

2022
River Foss | 7 Spills |
5.7 hours | 0.06

The declared body of water receiving this discharge is the "River Foss"
This station discharged sewage 7 time(s) during 2022.
The station discharged for a total of 5.7 hour(s).
This is around 0 day(s)* or 0.06% of the year.

99.4 | 49 hours
This monitor was operational for 99.4% of the year.
Leaving 49 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #EPRUP3228GU
Secondary Permit #EPR/UP3228GU A1

2021
River Foss | 9 Spills |
13.4 hours | 0.15

The declared body of water receiving this discharge is the "River Foss"
This station discharged sewage 9 time(s) during 2021.
The station discharged for a total of 13.4 hour(s).
This is around 0 day(s)* or 0.15% of the year.

99.8 | 17.5 hours
This monitor was operational for 99.8% of the year.
Leaving 17.5 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #EPRUP3228GU
Secondary Permit #EPR/UP3228GU A1


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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
No flood warning icon

River Foss upstream of Yearsley Baths


No flood warning icon

Westfield Beck - South Haxby


No flood warning icon

River Foss upstream of Yearsley Baths to Strensall - riverside properties only


No flood warning icon

River Foss downstream of Yearsley Baths


No flood warning icon

River Foss at Layerthorpe to Foss Islands Road, Stonebow and Piccadilly


No flood warning icon

Westfield Beck - New Earswick


No flood warning icon

River Foss - The Groves


No flood warning icon

South Beck at York


Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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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.
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