Ditton Brook at Ash Lane 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 - 2021-2024
1078.1 hours | 3.07
The declared body of water receiving this discharge is the "Ditton Brook"
This station has discharged sewage 108 time(s).
The station has discharged for a total of 1078.1 hour(s).
This is 3.07% of the time which we have data for.
In total: 44 day(s)* of elapsed time.
77 | 8064.7 hours
This monitor has been operational for 77% of its total time we have data for.
There are 8064.72 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Ash Lane CSO" is 2021, discharging sewage for 765 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 - 2024
Note: Data is potentially unreliable in 2024
Due to high unavailability of the monitor
Ditton Brook | 15 Spills | Due to high unavailability of the monitor
116 hours | 1.32
The declared body of water receiving this discharge is the "Ditton Brook"
This station discharged sewage 15 time(s) during 2024.
The station discharged for a total of 116 hour(s).
This is around 4 day(s)* or 1.32% of the year.
The following reasons have been given for the high spill frequency in 2024:
High Spill Threshold Not Met
The following comments have been given on the station operators intended actions:
Operational Improvement Ongoing
13.3 | 7609.5 hours
This monitor was operational for 13.3% of the year.
Leaving 7609.5 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 2024:
Comms Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2024:
N/A - Ongoing Investigation
*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 # | 016920541 |
| Secondary Permit # | HAL0037 |
2023
134.9 hours | 1.54
The declared body of water receiving this discharge is the "Ditton Brook"
This station discharged sewage 18 time(s) during 2023.
The station discharged for a total of 134.9 hour(s).
This is around 5 day(s)* or 1.54% of the year.
99.5 | 38.5 hours
This monitor was operational for 99.5% of the year.
Leaving 38.5 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 | United Utilities |
| Primary Permit # | 016920541 |
| Secondary Permit # | HAL0037 |
2022
62.2 hours | 0.71
The declared body of water receiving this discharge is the "Ditton Brook"
This station discharged sewage 11 time(s) during 2022.
The station discharged for a total of 62.2 hour(s).
This is around 2 day(s)* or 0.71% of the year.
96.6 | 297.8 hours
This monitor was operational for 96.6% of the year.
Leaving 297.8 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 # | 016920541 |
| Secondary Permit # | HAL0037 |
2021
765 hours | 8.73
The declared body of water receiving this discharge is the "Ditton Brook"
This station discharged sewage 64 time(s) during 2021.
The station discharged for a total of 765 hour(s).
This is around 31 day(s)* or 8.73% 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
100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 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 # | 016920541 |
| Secondary Permit # | HAL0037 |
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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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