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
Portbury Ditch(S) | 36 Spills | 150 hours | 0.57
The declared body of water receiving this discharge is the "Portbury Ditch(S)" This station has discharged sewage 36 time(s). The station has discharged for a total of 150 hour(s). This is 0.57% of the time which we have data for. In total: 6 day(s)* of elapsed time.
68.3 | 8322 hours This monitor has been operational for 68.3% of its total time we have data for. There are 8322 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Harbour Road CSO" is 2021, discharging sewage for 89.4 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
Portbury Ditch(S) | 18 Spills | 59.6 hours | 0.68 The declared body of water receiving this discharge is the "Portbury Ditch(S)" This station discharged sewage 18 time(s) during 2023. The station discharged for a total of 59.6 hour(s). This is around 2 day(s)* or 0.68% of the year.
81.1 | 1653 hours This monitor was operational for 81.1% of the year. Leaving 1653 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: Capital / Maintenance Works Affect Edm Operation
The following description has been given for downtime related actions intended, or taken, by the operator in 2023: Resolved - Mar
*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 #
102658
Secondary Permit #
16838C
2022
Note: Data is potentially unreliable in 2022 Due to high unavailability of the monitor
Portbury Ditch(S) | 1 Spills | 0.9 hours | 0.01 The declared body of water receiving this discharge is the "Portbury Ditch(S)" This station discharged sewage 1 time(s) during 2022. The station discharged for a total of 0.9 hour(s). This is around 0 day(s)* or 0.01% of the year.
25.2 | 6552.4 hours This monitor was operational for 25.2% of the year. Leaving 6552.4 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 2022: Capital / Maintenance Works Affect Edm Operation
The following description has been given for downtime related actions intended, or taken, by the operator in 2022: Scheduled
*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 #
102658
Secondary Permit #
16838C
2021
Portbury Ditch(S) | 17 Spills | 89.4 hours | 1.02 The declared body of water receiving this discharge is the "Portbury Ditch(S)" This station discharged sewage 17 time(s) during 2021. The station discharged for a total of 89.4 hour(s). This is around 3 day(s)* or 1.02% of the year.
99.2 | 70 hours This monitor was operational for 99.2% of the year. Leaving 70 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 #
102658
Secondary Permit #
16838C
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
Somerset coast at Portishead and Portbury Dock, Portbury Wharf and Common and Gordano Valley areas
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