River Basins Humber Aire and Calder Colne and Holme Colne from Wessenden Brook to R Holme Longroyd Manch Road CSO
River Colne at Longroyd Manch Road 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
253.8 hours | 0.96
The declared body of water receiving this discharge is the "River Colne"
This station has discharged sewage 161 time(s).
The station has discharged for a total of 253.8 hour(s).
This is 0.96% of the time which we have data for.
In total: 10 day(s)* of elapsed time.
91.3 | 2277.6 hours
This monitor has been operational for 91.3% of its total time we have data for.
There are 2277.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Longroyd Manch Road CSO" is 2021, discharging sewage for 114.3 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
31.5 hours | 0.35
The declared body of water receiving this discharge is the "River Colne"
This station discharged sewage 23 time(s) during 2023.
The station discharged for a total of 31.5 hour(s).
This is around 1 day(s)* or 0.35% 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
81 | 1662.6 hours
This monitor was operational for 81% of the year.
Leaving 1662.6 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:
Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
Resolved - May
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Yorkshire Water |
| Primary Permit # | WRA9301 |
| Secondary Permit # | WRA9301 A1 |
2022
108 hours | 1.23
The declared body of water receiving this discharge is the "River Colne"
This station discharged sewage 70 time(s) during 2022.
The station discharged for a total of 108 hour(s).
This is around 4 day(s)* or 1.23% 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
99.6 | 31.5 hours
This monitor was operational for 99.6% of the year.
Leaving 31.5 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 | Yorkshire Water |
| Primary Permit # | WRA9301 |
| Secondary Permit # | WRA9301 A1 |
2021
114.3 hours | 1.3
The declared body of water receiving this discharge is the "River Colne"
This station discharged sewage 68 time(s) during 2021.
The station discharged for a total of 114.3 hour(s).
This is around 4 day(s)* or 1.3% of the year.
94.2 | 508 hours
This monitor was operational for 94.2% of the year.
Leaving 508 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 | Yorkshire Water |
| Primary Permit # | WRA9301 |
| Secondary Permit # | WRA9301 A1 |
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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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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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