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River Don at Ewden WWTW

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
River Don | 165 Spills |
2154 hours | 8.19


The declared body of water receiving this discharge is the "River Don"
This station has discharged sewage 165 time(s).
The station has discharged for a total of 2154 hour(s).
This is 8.19% of the time which we have data for.
In total: 89 day(s)* of elapsed time.

97.6 | 613.1 hours
This monitor has been operational for 97.6% of its total time we have data for.
There are 613.19 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Ewden WWTW" is 2023, discharging sewage for 1035.7 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
River Don | 75 Spills |
1035.7 hours | 11.82

The declared body of water receiving this discharge is the "River Don"
This station discharged sewage 75 time(s) during 2023.
The station discharged for a total of 1035.7 hour(s).
This is around 43 day(s)* or 11.82% 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

96.1 | 340.7 hours
This monitor was operational for 96.1% of the year.
Leaving 340.7 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 #EPRMB3797WP
Secondary Permit #EPR/MB3797WP A2

2022
River Don | 43 Spills |
430.2 hours | 4.91

The declared body of water receiving this discharge is the "River Don"
This station discharged sewage 43 time(s) during 2022.
The station discharged for a total of 430.2 hour(s).
This is around 17 day(s)* or 4.91% of the year.

98.8 | 100.7 hours
This monitor was operational for 98.8% of the year.
Leaving 100.7 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 #EPRMB3797WP
Secondary Permit #EPR/MB3797WP A2

2021
River Don | 47 Spills |
688 hours | 7.85

The declared body of water receiving this discharge is the "River Don"
This station discharged sewage 47 time(s) during 2021.
The station discharged for a total of 688 hour(s).
This is around 28 day(s)* or 7.85% of the year.

99.7 | 26.2 hours
This monitor was operational for 99.7% of the year.
Leaving 26.2 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 #EPRMB3797WP
Secondary Permit #EPR/MB3797WP A2


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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 Don at Deepcar sewage treatment works


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River Don at Livesey Street and Club Mill Road, Owlerton


No flood warning icon

River Don at Sheffield Wednesday, Owlerton


No flood warning icon

River Don at Waterside Gardens in Oughtibridge


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River Don at Winn Gardens in Sheffield


No flood warning icon

River Don at Ewden Water Treatment Works and Wharncliffe Side


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