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River Rother at Old Whittington (Chesterfield) 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 - 2021-2023
River Rother | 251 Spills |
3311 hours | 12.59


The declared body of water receiving this discharge is the "River Rother"
This station has discharged sewage 251 time(s).
The station has discharged for a total of 3311 hour(s).
This is 12.59% of the time which we have data for.
In total: 137 day(s)* of elapsed time.

98 | 525.6 hours
This monitor has been operational for 98% of its total time we have data for.
There are 525.6 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Old Whittington (Chesterfield) STW" is 2023, discharging sewage for 1613.5 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 | 114 Spills |
1613.5 hours | 18.41

The declared body of water receiving this discharge is the "River Rother"
This station discharged sewage 114 time(s) during 2023.
The station discharged for a total of 1613.5 hour(s).
This is around 67 day(s)* or 18.41% 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

99.6 | 31.5 hours
This monitor was operational for 99.6% of the year.
Leaving 31.5 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 #WRA6756
Secondary Permit #WRA6756 2

2022
River Rother | 56 Spills |
647.5 hours | 7.39

The declared body of water receiving this discharge is the "River Rother"
This station discharged sewage 56 time(s) during 2022.
The station discharged for a total of 647.5 hour(s).
This is around 26 day(s)* or 7.39% of the year.

97.6 | 207.6 hours
This monitor was operational for 97.6% of the year.
Leaving 207.6 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 #WRA6756
Secondary Permit #WRA6756 2

2021
River Rother | 81 Spills |
1050 hours | 11.98

The declared body of water receiving this discharge is the "River Rother"
This station discharged sewage 81 time(s) during 2021.
The station discharged for a total of 1050 hour(s).
This is around 43 day(s)* or 11.98% 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 #WRA6756
Secondary Permit #WRA6756 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
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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