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
Doniford Stream | 77 Spills | 411.9 hours | 1.56
The declared body of water receiving this discharge is the "Doniford Stream" This station has discharged sewage 77 time(s). The station has discharged for a total of 411.9 hour(s). This is 1.56% of the time which we have data for. In total: 17 day(s)* of elapsed time.
94 | 1576.8 hours This monitor has been operational for 94% of its total time we have data for. There are 1576.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Sampford Brett CSO" is 2023, discharging sewage for 265.9 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
Doniford Stream | 40 Spills | 265.9 hours | 3.03 The declared body of water receiving this discharge is the "Doniford Stream" This station discharged sewage 40 time(s) during 2023. The station discharged for a total of 265.9 hour(s). This is around 11 day(s)* or 3.03% of the year.
98.3 | 148 hours This monitor was operational for 98.3% of the year. Leaving 148 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 #
102304
Secondary Permit #
16890C
2022
Doniford Stream | 22 Spills | 80.5 hours | 0.91 The declared body of water receiving this discharge is the "Doniford Stream" This station discharged sewage 22 time(s) during 2022. The station discharged for a total of 80.5 hour(s). This is around 3 day(s)* or 0.91% of the year.
100 | 0 hours This monitor was operational for 100% of the year. Leaving 0 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 #
102304
Secondary Permit #
16890C
2021
Doniford Stream | 15 Spills | 65.5 hours | 0.74 The declared body of water receiving this discharge is the "Doniford Stream" This station discharged sewage 15 time(s) during 2021. The station discharged for a total of 65.5 hour(s). This is around 2 day(s)* or 0.74% of the year.
84.3 | 1375.3 hours This monitor was operational for 84.3% of the year. Leaving 1375.3 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 2021: Telemetry Or Data Archiving Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2021: Resolved - December
*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 #
102304
Secondary Permit #
16890C
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
Doniford Stream at Doniford
Doniford Stream in the Sampford Mill Farm area
Doniford Stream at Swill Bridge
Doniford Stream at Sampford Brett and upstream properties
Monksilver Stream at Williton, Doniford Road, Recreation Ground and Industrial Estate areas
Station overseen (meaning either provided, or regulated) by: The Environment Agency The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them. Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes. Information about our data sources and licenses can be found
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