Loading animation

River Derwent at Derby Road

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.
Operational Summary - 2021-2023
River Derwent | 37 Spills |
24.9 hours | 0.09


The declared body of water receiving this discharge is the "River Derwent"
This station has discharged sewage 37 time(s).
The station has discharged for a total of 24.9 hour(s).
This is 0.09% of the time which we have data for.
In total: 1 day(s)* of elapsed time.

65 | 9198 hours
This monitor has been operational for 65% of its total time we have data for.
There are 9198 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Derby Road" is 2023, discharging sewage for 18.5 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 | 18 Spills |
18.5 hours | 0.21

The declared body of water receiving this discharge is the "River Derwent"
This station discharged sewage 18 time(s) during 2023.
The station discharged for a total of 18.5 hour(s).
This is around 0 day(s)* or 0.21% of the year.

98.7 | 113.8 hours
This monitor was operational for 98.7% of the year.
Leaving 113.8 hours unaccounted for in the data.


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorSevern Trent Water
Primary Permit #T/42/21098/O
Secondary Permit #T/42/21098/O

2022
River Derwent | 9 Spills |
2.9 hours | 0.03

The declared body of water receiving this discharge is the "River Derwent"
This station discharged sewage 9 time(s) during 2022.
The station discharged for a total of 2.9 hour(s).
This is around 0 day(s)* or 0.03% of the year.

The following reasons have been given for the high spill frequency in 2022:
Not Asset Maintenance - Hydraulic Capacity

The following comments have been given on the station operators intended actions:
N/A - Hydraulic Capacity

23.8 | 6669.8 hours
This monitor was operational for 23.8% of the year.
Leaving 6669.8 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 - Oct


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorSevern Trent Water
Primary Permit #T/42/21098/O
Secondary Permit #T/42/21098/O

2021
River Derwent | 10 Spills |
3.3 hours | 0.03

The declared body of water receiving this discharge is the "River Derwent"
This station discharged sewage 10 time(s) during 2021.
The station discharged for a total of 3.3 hour(s).
This is around 0 day(s)* or 0.03% 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

74.5 | 2232 hours
This monitor was operational for 74.5% of the year.
Leaving 2232 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:
Sensor Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
Scheduled


*This is total time in days, not individual days of the year.

Permit & Governance

AttributeValue
Governing BodyThe Environment Agency
OperatorSevern Trent Water
Primary Permit #T/42/21098/O
Secondary Permit #T/42/21098/O


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
Station Data Information
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).
Copyright © FloodMapper 2023-2024.
All Rights Reserved