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River Ivel at Sandy - High Street 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 Ivel | 206 Spills |
77.2 hours | 0.29


The declared body of water receiving this discharge is the "River Ivel"
This station has discharged sewage 206 time(s).
The station has discharged for a total of 77.2 hour(s).
This is 0.29% of the time which we have data for.
In total: 3 day(s)* of elapsed time.

97 | 788.4 hours
This monitor has been operational for 97% 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 "Sandy - High Street CSO" is 2022, discharging sewage for 38.5 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 Ivel | 16 Spills |
8.5 hours | 0.09

The declared body of water receiving this discharge is the "River Ivel"
This station discharged sewage 16 time(s) during 2023.
The station discharged for a total of 8.5 hour(s).
This is around 0 day(s)* or 0.09% 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

94 | 523.8 hours
This monitor was operational for 94% of the year.
Leaving 523.8 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
OperatorAnglian Water
Primary Permit #AWCNF1684
Secondary Permit #AWCNF1684/V003

2022
River Ivel | 104 Spills |
38.5 hours | 0.43

The declared body of water receiving this discharge is the "River Ivel"
This station discharged sewage 104 time(s) during 2022.
The station discharged for a total of 38.5 hour(s).
This is around 1 day(s)* or 0.43% 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

98.8 | 98.1 hours
This monitor was operational for 98.8% of the year.
Leaving 98.1 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
OperatorAnglian Water
Primary Permit #AWCNF1684
Secondary Permit #AWCNF1684/V003

2021
River Ivel | 86 Spills |
30.2 hours | 0.34

The declared body of water receiving this discharge is the "River Ivel"
This station discharged sewage 86 time(s) during 2021.
The station discharged for a total of 30.2 hour(s).
This is around 1 day(s)* or 0.34% of the year.

The following reasons have been given for the high spill frequency in 2021:
Not Asset Maintenance - Hydraulic Capacity

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

99.9 | 2.6 hours
This monitor was operational for 99.9% of the year.
Leaving 2.6 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
OperatorAnglian Water
Primary Permit #AWCNF1684
Secondary Permit #AWCNF1684/V003


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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
Nearby Flood Warnings
None
Nearby Alert Areas
No flood warning icon

River Ivel at Sandy


No flood warning icon

River Ivel at Blunham


No flood warning icon

River Ivel at Biggleswade and Lower Caldecotte


No flood warning icon

River Ivel at Seddington and Beeston


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