River Basins Thames Mole Mole Lower and Rythe Mole - Dorking to Leatherhead Reigate (Earlswood) WWTW
Earlswood Brook at Reigate (Earlswood) 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
3388.6 hours | 12.89
The declared body of water receiving this discharge is the "Earlswood Brook"
This station has discharged sewage 228 time(s).
The station has discharged for a total of 3388.6 hour(s).
This is 12.89% of the time which we have data for.
In total: 141 day(s)* of elapsed time.
94 | 1576.8 hours
This monitor has been operational for 94% of its total time we have data for.
There are 1576.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Reigate (Earlswood) WWTW" is 2021, discharging sewage for 1777.6 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
986 hours | 11.25
The declared body of water receiving this discharge is the "Earlswood Brook"
This station discharged sewage 78 time(s) during 2023.
The station discharged for a total of 986 hour(s).
This is around 41 day(s)* or 11.25% of the year.
The following reasons have been given for the high spill frequency in 2023:
Performance - Asset Configuration (E.G. Ps/Rising Main/Storm Tanks)
The following comments have been given on the station operators intended actions:
Scheduled
99.9 | 2.6 hours
This monitor was operational for 99.9% of the year.
Leaving 2.6 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 # | CASM.0827 |
| Secondary Permit # | S/WR827 |
2022
625 hours | 7.13
The declared body of water receiving this discharge is the "Earlswood Brook"
This station discharged sewage 52 time(s) during 2022.
The station discharged for a total of 625 hour(s).
This is around 26 day(s)* or 7.13% of the year.
The following reasons have been given for the high spill frequency in 2022:
Performance - Asset Configuration (E.G. Ps/Rising Main/Storm Tanks)
The following comments have been given on the station operators intended actions:
Scheduled
93 | 605.3 hours
This monitor was operational for 93% of the year.
Leaving 605.3 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 # | CASM.0827 |
| Secondary Permit # | S/WR827 |
2021
1777.6 hours | 20.29
The declared body of water receiving this discharge is the "Earlswood Brook"
This station discharged sewage 98 time(s) during 2021.
The station discharged for a total of 1777.6 hour(s).
This is around 74 day(s)* or 20.29% of the year.
The following reasons have been given for the high spill frequency in 2021:
Performance - Asset Configuration (E.G. Ps/Rising Main/Storm Tanks)
The following comments have been given on the station operators intended actions:
Scheduled
90.5 | 827.8 hours
This monitor was operational for 90.5% of the year.
Leaving 827.8 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 # | CASM.0827 |
| Secondary Permit # | S/WR827 |
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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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