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 - 2021-2021
River Derwent | 95 Spills | 949.3 hours | 10.83
The declared body of water receiving this discharge is the "River Derwent" This station has discharged sewage 95 time(s). The station has discharged for a total of 949.3 hour(s). This is 10.83% of the time which we have data for. In total: 39 day(s)* of elapsed time.
99 | 87.6 hours This monitor has been operational for 99% of its total time we have data for. There are 87.6 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Darley Bridge CSO" is 2021, discharging sewage for 949.3 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 - 2021
River Derwent | 95 Spills | 949.3 hours | 10.83 The declared body of water receiving this discharge is the "River Derwent" This station discharged sewage 95 time(s) during 2021. The station discharged for a total of 949.3 hour(s). This is around 39 day(s)* or 10.83% of the year. The following reasons have been given for the high spill frequency in 2021: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A – Hydraulic Capacity
99.4 | 45.5 hours This monitor was operational for 99.4% of the year. Leaving 45.5 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
Severn Trent Water
Primary Permit #
EPRKB3593DE
Secondary Permit #
817-5
FloodMapper is not affiliated with this monitoring stations operator(s) or any other entities that may be mentioned on this page. All trademarks and registered trademarks are the property of their respective owners. Operator comments are presented, unedited, as they were received by us and do not reflect our views or position
Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Derwent at Darley Dale
River Derwent at Matlock Bath
River Derwent at Whatstandwell including Cromford and Lea Wood
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
FloodMapper is an independent site and is not associated with any government bodies (e.g. Environment Agency).