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.
Sewage Reports that include this Station
Operational Summary - 2021-2023
River Wey | 180 Spills | 2406.3 hours | 9.15
The declared body of water receiving this discharge is the "River Wey" This station has discharged sewage 180 time(s). The station has discharged for a total of 2406.3 hour(s). This is 9.15% of the time which we have data for. In total: 100 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 "Weybridge WWTW" is 2023, discharging sewage for 1120.2 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
River Wey | 81 Spills | 1120.2 hours | 12.78 The declared body of water receiving this discharge is the "River Wey" This station discharged sewage 81 time(s) during 2023. The station discharged for a total of 1120.2 hour(s). This is around 46 day(s)* or 12.78% of the year. The following reasons have been given for the high spill frequency in 2023: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A - Hydraulic Capacity
99.6 | 30.6 hours This monitor was operational for 99.6% of the year. Leaving 30.6 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 #
CTCR.0944
Secondary Permit #
944
2022
River Wey | 67 Spills | 981.5 hours | 11.2 The declared body of water receiving this discharge is the "River Wey" This station discharged sewage 67 time(s) during 2022. The station discharged for a total of 981.5 hour(s). This is around 40 day(s)* or 11.2% of the year. The following reasons have been given for the high spill frequency in 2022: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A - Hydraulic Capacity
99.3 | 55.1 hours This monitor was operational for 99.3% of the year. Leaving 55.1 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 #
CTCR.0944
Secondary Permit #
944
2021
River Wey | 32 Spills | 304.5 hours | 3.47 The declared body of water receiving this discharge is the "River Wey" This station discharged sewage 32 time(s) during 2021. The station discharged for a total of 304.5 hour(s). This is around 12 day(s)* or 3.47% 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 - Ongoing Investigation
97.6 | 208.4 hours This monitor was operational for 97.6% of the year. Leaving 208.4 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 #
CTCR.0944
Secondary Permit #
944
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Wey at Wisley and Byfleet
River Wey at Old Woking
River Wey at Weybridge
River Wey at Guildford
Properties closest to the River Wey between Walsham Meadow and Byfleet town
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