River Pang at Hampstead Norreys 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
3918 hours | 14.9
The declared body of water receiving this discharge is the "River Pang"
This station has discharged sewage 236 time(s).
The station has discharged for a total of 3918 hour(s).
This is 14.9% of the time which we have data for.
In total: 163 day(s)* of elapsed time.
98.3 | 438 hours
This monitor has been operational for 98.3% of its total time we have data for.
There are 438 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Hampstead Norreys WWTW" is 2021, discharging sewage for 2622.3 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
1295.7 hours | 14.79
The declared body of water receiving this discharge is the "River Pang"
This station discharged sewage 83 time(s) during 2023.
The station discharged for a total of 1295.7 hour(s).
This is around 53 day(s)* or 14.79% 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:
Scheduled
99.4 | 49.9 hours
This monitor was operational for 99.4% of the year.
Leaving 49.9 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 | Thames Water |
| Primary Permit # | CNTD.0066 |
| Secondary Permit # | TEMP.2647 |
2022
0 hours | 0
The declared body of water receiving this discharge is the "River Pang"
This station discharged sewage 0 time(s) during 2022.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.
The following reasons have been given for the high spill frequency in 2022:
Performance - Gw Inundation
The following comments have been given on the station operators intended actions:
Scheduled
99.7 | 25.4 hours
This monitor was operational for 99.7% of the year.
Leaving 25.4 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 | Thames Water |
| Primary Permit # | TEMP.2647 |
| Secondary Permit # | TEMP.2647 |
2021
2622.3 hours | 29.93
The declared body of water receiving this discharge is the "River Pang"
This station discharged sewage 153 time(s) during 2021.
The station discharged for a total of 2622.3 hour(s).
This is around 109 day(s)* or 29.93% of the year.
The following reasons have been given for the high spill frequency in 2021:
Performance - Infiltration
The following comments have been given on the station operators intended actions:
N/A - Ongoing Investigation
97.8 | 184.8 hours
This monitor was operational for 97.8% of the year.
Leaving 184.8 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 | Thames Water |
| Primary Permit # | TEMP.2647 |
| Secondary Permit # | TEMP.2647 |
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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
Nearby Flood Warnings
None
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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