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 Avon | 26 Spills | 319.9 hours | 1.21
The declared body of water receiving this discharge is the "River Avon" This station has discharged sewage 26 time(s). The station has discharged for a total of 319.9 hour(s). This is 1.21% of the time which we have data for. In total: 13 day(s)* of elapsed time.
97.6 | 613.1 hours This monitor has been operational for 97.6% of its total time we have data for. There are 613.19 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Westmead Pumping Station" is 2023, discharging sewage for 300.3 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
River Avon | 21 Spills | 300.3 hours | 3.42 The declared body of water receiving this discharge is the "River Avon" This station discharged sewage 21 time(s) during 2023. The station discharged for a total of 300.3 hour(s). This is around 12 day(s)* or 3.42% of the year.
99.9 | 6.1 hours This monitor was operational for 99.9% of the year. Leaving 6.1 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
Wessex Water
Primary Permit #
100823
Secondary Permit #
14147B
2022
River Avon | 4 Spills | 17 hours | 0.19 The declared body of water receiving this discharge is the "River Avon" This station discharged sewage 4 time(s) during 2022. The station discharged for a total of 17 hour(s). This is around 0 day(s)* or 0.19% of the year.
97.3 | 228.6 hours This monitor was operational for 97.3% of the year. Leaving 228.6 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
Wessex Water
Primary Permit #
100823
Secondary Permit #
14147B
2021
River Avon | 1 Spills | 2.5 hours | 0.02 The declared body of water receiving this discharge is the "River Avon" This station discharged sewage 1 time(s) during 2021. The station discharged for a total of 2.5 hour(s). This is around 0 day(s)* or 0.02% of the year.
97.3 | 236.5 hours This monitor was operational for 97.3% of the year. Leaving 236.5 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
Wessex Water
Primary Permit #
100823
Secondary Permit #
14147B
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Local Information
Nearby Flood Warnings
Bristol Avon (upper) at Chippenham, other properties set back from the river
Bristol Avon (mid) at Melksham
Bristol Avon (upper) at Chippenham, riverside properties
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