Tributary Great Raveley Drain at Upwood STW

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

Tributary Great Raveley Drain | 92 Spills |
385.7 hours | 1.46

The declared body of water receiving this discharge is the "Tributary Great Raveley Drain"
This station has discharged sewage 92 time(s).
The station has discharged for a total of 385.7 hour(s).
This is 1.46% of the time which we have data for.
In total: 16 day(s)* of elapsed time.

49 | 13402.8 hours
This monitor has been operational for 49% of its total time we have data for.
There are 13402.8 hours unaccounted for due to downtime of the monitor.

The worst year in our records for the "Upwood STW" is 2022, discharging sewage for 239.2 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

Tributary Great Raveley Drain | 30 Spills |
91.9 hours | 1.04
The declared body of water receiving this discharge is the "Tributary Great Raveley Drain"
This station discharged sewage 30 time(s) during 2023.
The station discharged for a total of 91.9 hour(s).
This is around 3 day(s)* or 1.04% of the year.

99.8 | 14.8 hours
This monitor was operational for 99.8% of the year.
Leaving 14.8 hours unaccounted for in the data.

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

Permit & Governance

Attribute	Value
Governing Body	The Environment Agency
Operator	Anglian Water
Primary Permit #	AW1NFA171
Secondary Permit #	AW1NF/A171/V002

2022

Note: Data is potentially unreliable in 2022
Due to high unavailability of the monitor

Tributary Great Raveley Drain | 54 Spills |
239.2 hours | 2.73
The declared body of water receiving this discharge is the "Tributary Great Raveley Drain"
This station discharged sewage 54 time(s) during 2022.
The station discharged for a total of 239.2 hour(s).
This is around 9 day(s)* or 2.73% of the year.

42.5 | 5032.6 hours
This monitor was operational for 42.5% of the year.
Leaving 5032.6 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:
N/A - Ongoing Investigation

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

Permit & Governance

Attribute	Value
Governing Body	The Environment Agency
Operator	Anglian Water
Primary Permit #	AW1NFA171
Secondary Permit #	AW1NF/A171/V002

2021

Note: Data is potentially unreliable in 2021
Due to high unavailability of the monitor

Tributary Great Raveley Drain | 8 Spills |
54.5 hours | 0.62
The declared body of water receiving this discharge is the "Tributary Great Raveley Drain"
This station discharged sewage 8 time(s) during 2021.
The station discharged for a total of 54.5 hour(s).
This is around 2 day(s)* or 0.62% of the year.

6.7 | 8168.7 hours
This monitor was operational for 6.7% of the year.
Leaving 8168.7 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 2021:
Comms Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
N/A - Ongoing Investigation

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

Permit & Governance

Attribute	Value
Governing Body	The Environment Agency
Operator	Anglian Water
Primary Permit #	AW1NFA171
Secondary Permit #	AW1NF/A171/V002

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Local Information

Nearby Flood Warnings

None

Nearby Alert Areas

River Delph west bank Flood Defences at Benwick, Chatteris and Manea

Middle Level of the Fens in Cambridgeshire and Norfolk

Middle Level Commissioner area at Pondersbridge, Turves and Upwell

Station Data Information

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