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Hemsworth Dyke at South Elmsall WWTW

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 - 2021-2023
Hemsworth Dyke | 215 Spills |
2438.5 hours | 9.27


The declared body of water receiving this discharge is the "Hemsworth Dyke"
This station has discharged sewage 215 time(s).
The station has discharged for a total of 2438.5 hour(s).
This is 9.27% of the time which we have data for.
In total: 101 day(s)* of elapsed time.

98.6 | 350.3 hours
This monitor has been operational for 98.6% of its total time we have data for.
There are 350.39 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "South Elmsall WWTW" is 2023, discharging sewage for 1389.7 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
Hemsworth Dyke | 95 Spills |
1389.7 hours | 15.86

The declared body of water receiving this discharge is the "Hemsworth Dyke"
This station discharged sewage 95 time(s) during 2023.
The station discharged for a total of 1389.7 hour(s).
This is around 57 day(s)* or 15.86% 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

99.9 | 2.6 hours
This monitor was operational for 99.9% of the year.
Leaving 2.6 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 #WRA7507
Secondary Permit #WRA7507 2

2022
Hemsworth Dyke | 60 Spills |
555.7 hours | 6.34

The declared body of water receiving this discharge is the "Hemsworth Dyke"
This station discharged sewage 60 time(s) during 2022.
The station discharged for a total of 555.7 hour(s).
This is around 23 day(s)* or 6.34% of the year.

99.9 | 7.8 hours
This monitor was operational for 99.9% of the year.
Leaving 7.8 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 #WRA7507
Secondary Permit #WRA7507 2

2021
Hemsworth Dyke | 60 Spills |
493 hours | 5.62

The declared body of water receiving this discharge is the "Hemsworth Dyke"
This station discharged sewage 60 time(s) during 2021.
The station discharged for a total of 493 hour(s).
This is around 20 day(s)* or 5.62% of the year.

98.8 | 105.1 hours
This monitor was operational for 98.8% of the year.
Leaving 105.1 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 #WRA7507
Secondary Permit #WRA7507 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
None
Nearby Alert Areas
None
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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