River Derwent at Draycott SPS - Emergency Overflow
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 Derwent | 27 Spills | 216.3 hours | 0.82
The declared body of water receiving this discharge is the "River Derwent" This station has discharged sewage 27 time(s). The station has discharged for a total of 216.3 hour(s). This is 0.82% of the time which we have data for. In total: 9 day(s)* of elapsed time.
90.6 | 2452.7 hours This monitor has been operational for 90.6% of its total time we have data for. There are 2452.79 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Draycott SPS - Emergency Overflow" is 2021, discharging sewage for 113.7 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 Derwent | 9 Spills | 89.4 hours | 1.02 The declared body of water receiving this discharge is the "River Derwent" This station discharged sewage 9 time(s) during 2023. The station discharged for a total of 89.4 hour(s). This is around 3 day(s)* or 1.02% of the year.
97.5 | 219 hours This monitor was operational for 97.5% of the year. Leaving 219 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
Severn Trent Water
Primary Permit #
T/48/12102/O
Secondary Permit #
T/48/12102/O
2022
River Derwent | 3 Spills | 13.1 hours | 0.15 The declared body of water receiving this discharge is the "River Derwent" This station discharged sewage 3 time(s) during 2022. The station discharged for a total of 13.1 hour(s). This is around 0 day(s)* or 0.15% of the year.
76.7 | 2041 hours This monitor was operational for 76.7% of the year. Leaving 2041 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: Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2022: Resolved - January After Reporting Year
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Severn Trent Water
Primary Permit #
T/48/12102/O
Secondary Permit #
T/48/12102/O
2021
River Derwent | 15 Spills | 113.7 hours | 1.29 The declared body of water receiving this discharge is the "River Derwent" This station discharged sewage 15 time(s) during 2021. The station discharged for a total of 113.7 hour(s). This is around 4 day(s)* or 1.29% of the year.
99.4 | 44.6 hours This monitor was operational for 99.4% of the year. Leaving 44.6 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
Severn Trent Water
Primary Permit #
T/48/12102/O
Secondary Permit #
T/48/12102/O
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Local Information
Nearby Flood Warnings
Lower Derwent in Derbyshire
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River Derwent at Ambaston
River Derwent at Ambaston Lane
River Derwent at Alvaston
River Derwent at Raynesway
River Derwent at Pride Park and Derby Railway Station
River Derwent at Elvaston Castle Country Park
River Derwent at Little Chester, Eastgate and Cattle Market
River Derwent at Racecourse Park at Chaddesden
River Derwent at Allestree Ford Lane Bridge and Darley Abbey Park
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