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River Calder at Horbury (Dudfleet) STW

This station collects multiple metrics

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 - 2021-2021
River Calder | 88 Spills |
618 hours | 7.05


The declared body of water receiving this discharge is the "River Calder"
This station has discharged sewage 88 time(s).
The station has discharged for a total of 618 hour(s).
This is 7.05% of the time which we have data for.
In total: 25 day(s)* of elapsed time.

99 | 87.6 hours
This monitor has been operational for 99% of its total time we have data for.
There are 87.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Horbury (Dudfleet) STW" is 2021, discharging sewage for 618 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 - 2021
River Calder | 88 Spills |
618 hours | 7.05

The declared body of water receiving this discharge is the "River Calder"
This station discharged sewage 88 time(s) during 2021.
The station discharged for a total of 618 hour(s).
This is around 25 day(s)* or 7.05% of the year.

99.6 | 35 hours
This monitor was operational for 99.6% of the year.
Leaving 35 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 #C4107
Secondary Permit #C4107 2


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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
Flood warning icon

River Calder at Horbury - The Strands


Nearby Alert Areas
No flood warning icon

River Calder at Wakefield - Thornes and Calder Vale


No flood warning icon

River Calder at Ravensthorpe


No flood warning icon

River Calder at Horbury Junction


No flood warning icon

River Calder at Mirfield - Calder View to Steanard Lane


No flood warning icon

River Calder at Dewsbury


No flood warning icon

River Calder at Healey and Horbury Bridge


No flood warning icon

River Calder at Dewsbury - Lodge Farm and Sands Mill


No flood warning icon

River Calder at Central Mirfield


No flood warning icon

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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