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River Calder at Ossett Spa SPS

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.
Operational Summary - 2022-2023
River Calder | 66 Spills |
509.2 hours | 2.9


The declared body of water receiving this discharge is the "River Calder"
This station has discharged sewage 66 time(s).
The station has discharged for a total of 509.2 hour(s).
This is 2.9% of the time which we have data for.
In total: 21 day(s)* of elapsed time.

99 | 175.2 hours
This monitor has been operational for 99% 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 "Ossett Spa SPS" is 2023, discharging sewage for 306.5 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 Calder | 41 Spills |
306.5 hours | 3.49

The declared body of water receiving this discharge is the "River Calder"
This station discharged sewage 41 time(s) during 2023.
The station discharged for a total of 306.5 hour(s).
This is around 12 day(s)* or 3.49% of the year.

99.9 | 1.7 hours
This monitor was operational for 99.9% of the year.
Leaving 1.7 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 #WA6348
Secondary Permit #WA6348 A1

2022
River Calder | 25 Spills |
202.7 hours | 2.31

The declared body of water receiving this discharge is the "River Calder"
This station discharged sewage 25 time(s) during 2022.
The station discharged for a total of 202.7 hour(s).
This is around 8 day(s)* or 2.31% of the year.

99.7 | 25.4 hours
This monitor was operational for 99.7% of the year.
Leaving 25.4 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 #WA6348
Secondary Permit #WA6348 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 Calder at Horbury - The Strands


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River Calder at Wakefield - Thornes and Calder Vale


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River Calder at Ravensthorpe


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River Calder at Horbury Junction


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River Calder at Mirfield - Calder View to Steanard Lane


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River Calder at Dewsbury


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River Calder at Healey and Horbury Bridge


No flood warning icon

River Calder at Dewsbury - Lodge Farm and Sands Mill


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River Calder at Central Mirfield


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River Calder at Cooper Bridge


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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