River Blackwater at West Wellow WWTW
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
8710.9 hours | 33.14
The declared body of water receiving this discharge is the "River Blackwater"
This station has discharged sewage 432 time(s).
The station has discharged for a total of 8710.9 hour(s).
This is 33.14% of the time which we have data for.
In total: 362 day(s)* of elapsed time.
99.3 | 175.2 hours
This monitor has been operational for 99.3% of its total time we have data for.
There are 175.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "West Wellow WWTW" is 2023, discharging sewage for 4160.7 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
4160.7 hours | 47.49
The declared body of water receiving this discharge is the "River Blackwater"
This station discharged sewage 194 time(s) during 2023.
The station discharged for a total of 4160.7 hour(s).
This is around 173 day(s)* or 47.49% of the year.
The following reasons have been given for the high spill frequency in 2023:
Performance - Infiltration
The following comments have been given on the station operators intended actions:
N/A - Ongoing Investigation
99.9 | 8.7 hours
This monitor was operational for 99.9% of the year.
Leaving 8.7 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 | Southern Water |
| Primary Permit # | A00640 |
| Secondary Permit # | A640/H/92 |
2022
2154.5 hours | 24.59
The declared body of water receiving this discharge is the "River Blackwater"
This station discharged sewage 108 time(s) during 2022.
The station discharged for a total of 2154.5 hour(s).
This is around 89 day(s)* or 24.59% of the year.
The following reasons have been given for the high spill frequency in 2022:
N/A - Ongoing Investigation
The following comments have been given on the station operators intended actions:
N/A - Ongoing Investigation
99.8 | 15.7 hours
This monitor was operational for 99.8% of the year.
Leaving 15.7 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 | Southern Water |
| Primary Permit # | A00640 |
| Secondary Permit # | A640/H/92 |
2021
2395.6 hours | 27.34
The declared body of water receiving this discharge is the "River Blackwater"
This station discharged sewage 130 time(s) during 2021.
The station discharged for a total of 2395.6 hour(s).
This is around 99 day(s)* or 27.34% of the year.
The following comments have been given on the station operators intended actions:
N/A - Ongoing Investigation
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 | Southern Water |
| Primary Permit # | A00640 |
| Secondary Permit # | A640/H/92 |
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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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