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River Don at EaSTWood Industrial Estate 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.
Operational Summary - 2021-2023
River Don | 307 Spills |
1606.4 hours | 6.11


The declared body of water receiving this discharge is the "River Don"
This station has discharged sewage 307 time(s).
The station has discharged for a total of 1606.4 hour(s).
This is 6.11% of the time which we have data for.
In total: 66 day(s)* of elapsed time.

99.3 | 175.2 hours
This monitor has been operational for 99.3% 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 "EaSTWood Industrial Estate CSO" is 2023, discharging sewage for 723 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 | 121 Spills |
723 hours | 8.25

The declared body of water receiving this discharge is the "River Don"
This station discharged sewage 121 time(s) during 2023.
The station discharged for a total of 723 hour(s).
This is around 30 day(s)* or 8.25% 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 | 4.3 hours
This monitor was operational for 99.9% of the year.
Leaving 4.3 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 #WRA8750
Secondary Permit #WRA8750 A1

2022
River Don | 87 Spills |
353.8 hours | 4.03

The declared body of water receiving this discharge is the "River Don"
This station discharged sewage 87 time(s) during 2022.
The station discharged for a total of 353.8 hour(s).
This is around 14 day(s)* or 4.03% of the year.

The following reasons have been given for the high spill frequency in 2022:
Not Asset Maintenance - Hydraulic Capacity

The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity

100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 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 #WRA8750
Secondary Permit #WRA8750 A1

2021
River Don | 99 Spills |
529.5 hours | 6.04

The declared body of water receiving this discharge is the "River Don"
This station discharged sewage 99 time(s) during 2021.
The station discharged for a total of 529.5 hour(s).
This is around 22 day(s)* or 6.04% of the year.

99.9 | 8.7 hours
This monitor was operational for 99.9% of the year.
Leaving 8.7 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 #WRA8750
Secondary Permit #WRA8750 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
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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