River Basins Dee Dee Dee Estuary Balderton drain Sandy Lane SPS Storm Overflow
River Basins . . . Balderton drain Sandy Lane SPS Storm Overflow
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Balderton Drain at Sandy Lane SPS Storm Overflow

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
Balderton Drain | 195 Spills |
849.7 hours | 3.23


The declared body of water receiving this discharge is the "Balderton Drain"
This station has discharged sewage 195 time(s).
The station has discharged for a total of 849.7 hour(s).
This is 3.23% of the time which we have data for.
In total: 35 day(s)* of elapsed time.

99 | 262.8 hours
This monitor has been operational for 99% of its total time we have data for.
There are 262.8 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Sandy Lane SPS Storm Overflow" is 2021, discharging sewage for 399.5 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
Balderton Drain | 79 Spills |
324.7 hours | 3.7

The declared body of water receiving this discharge is the "Balderton Drain"
This station discharged sewage 79 time(s) during 2023.
The station discharged for a total of 324.7 hour(s).
This is around 13 day(s)* or 3.7% of the year.

99.5 | 42.9 hours
This monitor was operational for 99.5% of the year.
Leaving 42.9 hours unaccounted for in the data.


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

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #CG0418001
Secondary Permit #CG0418001

2022
Balderton Drain | 50 Spills |
125.5 hours | 1.43

The declared body of water receiving this discharge is the "Balderton Drain"
This station discharged sewage 50 time(s) during 2022.
The station discharged for a total of 125.5 hour(s).
This is around 5 day(s)* or 1.43% of the year.

99.9 | 7.8 hours
This monitor was operational for 99.9% of the year.
Leaving 7.8 hours unaccounted for in the data.


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

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #CG0418001
Secondary Permit #CG0418001

2021
Balderton Drain | 66 Spills |
399.5 hours | 4.56

The declared body of water receiving this discharge is the "Balderton Drain"
This station discharged sewage 66 time(s) during 2021.
The station discharged for a total of 399.5 hour(s).
This is around 16 day(s)* or 4.56% of the year.

99.4 | 47.3 hours
This monitor was operational for 99.4% of the year.
Leaving 47.3 hours unaccounted for in the data.


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

Permit & Governance

AttributeValue
Governing BodyNatural Resources Wales
OperatorDwr Cymru Welsh Water
Primary Permit #CG0418001
Secondary Permit #CG0418001


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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: Natural Resources Wales
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