Mersey Estuary at Warrington North 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 - 2021-2024
This dataset is partial, and some year(s) are missing
Mersey Estuary | 222 Spills | 2597.3 hours | 14.8
The declared body of water receiving this discharge is the "Mersey Estuary"
This station has discharged sewage 222 time(s).
The station has discharged for a total of 2597.3 hour(s).
This is 14.8% of the time which we have data for.
In total: 108 day(s)* of elapsed time.
100 | 0 hours
This monitor has been operational for 100% of its total time we have data for.
There are 0 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Warrington North WWTW" is 2021, discharging sewage for 1507.3 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 - 2024
1090 hours | 12.4
The declared body of water receiving this discharge is the "Mersey Estuary"
This station discharged sewage 96 time(s) during 2024.
The station discharged for a total of 1090 hour(s).
This is around 45 day(s)* or 12.4% of the year.
The following reasons have been given for the high spill frequency in 2024:
Not Asset Maintenance - Hydraulic Capacity
The following comments have been given on the station operators intended actions:
Operational Improvement Ongoing
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 # | 016983122 |
| Secondary Permit # | 16983122 |
2023
We have no data for the 2023 year
This could be because:.
This could be because:
- It was not processed correctly by us
- It was not present in the data
- We link records using permit reference, it was missing for 2023
2022
We have no data for the 2022 year
This could be because:.
This could be because:
- It was not processed correctly by us
- It was not present in the data
- We link records using permit reference, it was missing for 2022
2021
1507.3 hours | 17.2
The declared body of water receiving this discharge is the "Mersey Estuary"
This station discharged sewage 126 time(s) during 2021.
The station discharged for a total of 1507.3 hour(s).
This is around 62 day(s)* or 17.2% 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 # | 016983122 |
| Secondary Permit # | 16983122 |
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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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