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River Trent at Southwell Sewage Treatment Works

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 Trent | 253 Spills |
3682 hours | 21.01


The declared body of water receiving this discharge is the "River Trent"
This station has discharged sewage 253 time(s).
The station has discharged for a total of 3682 hour(s).
This is 21.01% of the time which we have data for.
In total: 153 day(s)* of elapsed time.

95.5 | 788.4 hours
This monitor has been operational for 95.5% of its total time we have data for.
There are 788.4 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Southwell Sewage Treatment Works" is 2023, discharging sewage for 2115.7 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 Trent | 151 Spills |
2115.7 hours | 24.15

The declared body of water receiving this discharge is the "River Trent"
This station discharged sewage 151 time(s) during 2023.
The station discharged for a total of 2115.7 hour(s).
This is around 88 day(s)* or 24.15% of the year.

The following reasons have been given for the high spill frequency in 2023:
Data Collection - Confirmed Exceptional Weather – Remaining Spills Not Above Soaf Threshold

The following comments have been given on the station operators intended actions:
Resolved - January After Reporting 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
OperatorSevern Trent Water
Primary Permit #NPSWQD008782
Secondary Permit #WQD008782

2022
We have no data for the 2022 year
This could be because:
  • It was not processed correctly by us
  • It was not present in the data
  • We link records using permit reference, it was missing for 2022
.
2021
Halloughton Dumble | 102 Spills |
1566.3 hours | 17.88

The declared body of water receiving this discharge is the "Halloughton Dumble"
This station discharged sewage 102 time(s) during 2021.
The station discharged for a total of 1566.3 hour(s).
This is around 65 day(s)* or 17.88% of the year.

The following comments have been given on the station operators intended actions:
Scheduled

92.5 | 653.4 hours
This monitor was operational for 92.5% of the year.
Leaving 653.4 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
OperatorSevern Trent Water
Primary Permit #WQD008782
Secondary Permit #WQD008782


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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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