Barn Brook at Primrose Hill 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.
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
340.1 hours | 1.29
The declared body of water receiving this discharge is the "Barn Brook"
This station has discharged sewage 161 time(s).
The station has discharged for a total of 340.1 hour(s).
This is 1.29% of the time which we have data for.
In total: 14 day(s)* of elapsed time.
88.3 | 3066 hours
This monitor has been operational for 88.3% of its total time we have data for.
There are 3066 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Primrose Hill CSO" is 2021, discharging sewage for 156 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
150.4 hours | 1.71
The declared body of water receiving this discharge is the "Barn Brook"
This station discharged sewage 32 time(s) during 2023.
The station discharged for a total of 150.4 hour(s).
This is around 6 day(s)* or 1.71% of the year.
81.9 | 1584.6 hours
This monitor was operational for 81.9% of the year.
Leaving 1584.6 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 2023:
Comms Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
Resolved - January After Reporting Year
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | United Utilities |
| Primary Permit # | 01BRY0022 |
| Secondary Permit # | BRY0022 |
2022
33.6 hours | 0.38
The declared body of water receiving this discharge is the "Barn Brook"
This station discharged sewage 25 time(s) during 2022.
The station discharged for a total of 33.6 hour(s).
This is around 1 day(s)* or 0.38% of the year.
92.2 | 677.1 hours
This monitor was operational for 92.2% of the year.
Leaving 677.1 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 | United Utilities |
| Primary Permit # | 01BRY0022 |
| Secondary Permit # | BRY0022 |
2021
156 hours | 1.78
The declared body of water receiving this discharge is the "Barn Brook"
This station discharged sewage 104 time(s) during 2021.
The station discharged for a total of 156 hour(s).
This is around 6 day(s)* or 1.78% 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
92 | 700.8 hours
This monitor was operational for 92% of the year.
Leaving 700.8 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 | United Utilities |
| Primary Permit # | 01BRY0022 |
| Secondary Permit # | BRY0022 |
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Local Information
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them.
Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
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