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 "Winterbourne Stream" This station has discharged sewage 103 time(s). The station has discharged for a total of 1458.7 hour(s). This is 5.55% of the time which we have data for. In total: 60 day(s)* of elapsed time.
86.3 | 3591.6 hours This monitor has been operational for 86.3% of its total time we have data for. There are 3591.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Winterbourne WWTW" is 2023, discharging sewage for 1287 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
Note: Data is potentially unreliable in 2023 Due to high unavailability of the monitor
Winterbourne Stream | 59 Spills | 1287 hours | 14.69 The declared body of water receiving this discharge is the "Winterbourne Stream" This station discharged sewage 59 time(s) during 2023. The station discharged for a total of 1287 hour(s). This is around 53 day(s)* or 14.69% of the year.
61.1 | 3405.8 hours This monitor was operational for 61.1% of the year. Leaving 3405.8 hours unaccounted for in the data. This falls below the 90% threshold where a reason should be given
The following reasons have been given for the downtime in 2023: Installation Set-Up/Design Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2023: Resolved - May
*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.1317
Secondary Permit #
TEMP.3016
2022
Winterbourne Stream | 1 Spills | 4 hours | 0.04 The declared body of water receiving this discharge is the "Winterbourne Stream" This station discharged sewage 1 time(s) during 2022. The station discharged for a total of 4 hour(s). This is around 0 day(s)* or 0.04% 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
99.2 | 68.3 hours This monitor was operational for 99.2% of the year. Leaving 68.3 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 #
TEMP.3016
Secondary Permit #
TEMP.3016
2021
Winterbourne Stream | 43 Spills | 167.6 hours | 1.91 The declared body of water receiving this discharge is the "Winterbourne Stream" This station discharged sewage 43 time(s) during 2021. The station discharged for a total of 167.6 hour(s). This is around 6 day(s)* or 1.91% 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
99.6 | 28.9 hours This monitor was operational for 99.6% of the year. Leaving 28.9 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 #
TEMP.3016
Secondary Permit #
TEMP.3016
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
Groundwater flooding in the Leckhampstead area
River Lambourn from Weston to Bagnor including Boxford
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