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.
The declared body of water receiving this discharge is the "Warpsgrave Ditch" This station has discharged sewage 221 time(s). The station has discharged for a total of 3487.3 hour(s). This is 13.27% of the time which we have data for. In total: 145 day(s)* of elapsed time.
96.6 | 875.9 hours This monitor has been operational for 96.6% of its total time we have data for. There are 875.99 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Chalgrove WWTW" is 2023, discharging sewage for 2201.2 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
Warpsgrave Ditch | 132 Spills | 2201.2 hours | 25.12 The declared body of water receiving this discharge is the "Warpsgrave Ditch" This station discharged sewage 132 time(s) during 2023. The station discharged for a total of 2201.2 hour(s). This is around 91 day(s)* or 25.12% 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
99.8 | 13.1 hours This monitor was operational for 99.8% of the year. Leaving 13.1 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 #
CSSC.2465
Secondary Permit #
TEMP.2462
2022
Warpsgrave Ditch | 31 Spills | 336.8 hours | 3.84 The declared body of water receiving this discharge is the "Warpsgrave Ditch" This station discharged sewage 31 time(s) during 2022. The station discharged for a total of 336.8 hour(s). This is around 14 day(s)* or 3.84% 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: N/A - Ongoing Investigation
93.6 | 557.1 hours This monitor was operational for 93.6% of the year. Leaving 557.1 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 #
TEMP.2462
Secondary Permit #
TEMP.2462
2021
Warpsgrave Ditch | 58 Spills | 949.3 hours | 10.83 The declared body of water receiving this discharge is the "Warpsgrave Ditch" This station discharged sewage 58 time(s) during 2021. The station discharged for a total of 949.3 hour(s). This is around 39 day(s)* or 10.83% 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
98.1 | 165.5 hours This monitor was operational for 98.1% of the year. Leaving 165.5 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.2462
Secondary Permit #
TEMP.2462
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