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River Rother at Retford Road 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.
Sewage Reports that include this Station
Operational Summary - 2021-2023
River Rother | 170 Spills |
572.7 hours | 2.17


The declared body of water receiving this discharge is the "River Rother"
This station has discharged sewage 170 time(s).
The station has discharged for a total of 572.7 hour(s).
This is 2.17% of the time which we have data for.
In total: 23 day(s)* of elapsed time.

57 | 11300.4 hours
This monitor has been operational for 57% of its total time we have data for.
There are 11300.4 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Retford Road CSO" is 2023, discharging sewage for 346 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 Rother | 34 Spills |
346 hours | 3.94

The declared body of water receiving this discharge is the "River Rother"
This station discharged sewage 34 time(s) during 2023.
The station discharged for a total of 346 hour(s).
This is around 14 day(s)* or 3.94% of the year.

The following reasons have been given for the high spill frequency in 2023:
N/A - Ongoing Investigation

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

72 | 2451.9 hours
This monitor was operational for 72% of the year.
Leaving 2451.9 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given

The following reasons have been given for the downtime in 2023:
Installation Set-Up/Design Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
Resolved - Aug


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #2805
Secondary Permit #2805 1

2022
River Rother | 0 Spills |
0 hours | 0

The declared body of water receiving this discharge is the "River Rother"
This station discharged sewage 0 time(s) during 2022.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.

The following reasons have been given for the high spill frequency in 2022:
N/A - Ongoing Investigation

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

0 | 8760 hours
This monitor was operational for 0% of the year.
Leaving 8760 hours unaccounted for in the data.
This falls below the 90% threshold where a reason should be given

The following reasons have been given for the downtime in 2022:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2022:
Resolved - Mar


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorYorkshire Water
Primary Permit #2805
Secondary Permit #2805 1

2021
River Rother | 136 Spills |
226.7 hours | 2.58

The declared body of water receiving this discharge is the "River Rother"
This station discharged sewage 136 time(s) during 2021.
The station discharged for a total of 226.7 hour(s).
This is around 9 day(s)* or 2.58% 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 #2805
Secondary Permit #2805 1


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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
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Nearby Alert Areas
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River Rother at Killamarsh


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River Rother at Catcliffe


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River Rother at Beighton


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River Rother at Woodhouse Mill


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River Rother at Rother Valley Country Park


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Lower River Rother


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