River Basins Humber Aire and Calder Colne and Holme Colne from Wessenden Brook to R Holme St Thomas Road CSO
River Colne at St Thomas 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
37.7 hours | 0.14
The declared body of water receiving this discharge is the "River Colne"
This station has discharged sewage 54 time(s).
The station has discharged for a total of 37.7 hour(s).
This is 0.14% of the time which we have data for.
In total: 1 day(s)* of elapsed time.
97.3 | 700.8 hours
This monitor has been operational for 97.3% of its total time we have data for.
There are 700.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "St Thomas Road CSO" is 2023, discharging sewage for 27.2 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
27.2 hours | 0.31
The declared body of water receiving this discharge is the "River Colne"
This station discharged sewage 30 time(s) during 2023.
The station discharged for a total of 27.2 hour(s).
This is around 1 day(s)* or 0.31% of the year.
99.5 | 41.1 hours
This monitor was operational for 99.5% of the year.
Leaving 41.1 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 | Yorkshire Water |
| Primary Permit # | WRA9177 |
| Secondary Permit # | WRA9177 A1 |
2022
6.5 hours | 0.07
The declared body of water receiving this discharge is the "River Colne"
This station discharged sewage 13 time(s) during 2022.
The station discharged for a total of 6.5 hour(s).
This is around 0 day(s)* or 0.07% of the year.
99 | 84 hours
This monitor was operational for 99% of the year.
Leaving 84 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 # | WRA9177 |
| Secondary Permit # | WRA9177 A1 |
2021
4 hours | 0.04
The declared body of water receiving this discharge is the "River Colne"
This station discharged sewage 11 time(s) during 2021.
The station discharged for a total of 4 hour(s).
This is around 0 day(s)* or 0.04% of the year.
94.7 | 464.2 hours
This monitor was operational for 94.7% of the year.
Leaving 464.2 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 # | WRA9177 |
| Secondary Permit # | WRA9177 A1 |
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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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