Tributary Of River Avon at Twyning Sewage Treatment Works

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

Tributary Of River Avon | 306 Spills |
5265 hours | 20.03

The declared body of water receiving this discharge is the "Tributary Of River Avon"
This station has discharged sewage 306 time(s).
The station has discharged for a total of 5265 hour(s).
This is 20.03% of the time which we have data for.
In total: 219 day(s)* of elapsed time.

86.3 | 3591.6 hours
This monitor has been operational for 86.3% of its total time we have data for.
There are 3591.6 hours unaccounted for due to downtime of the monitor.

The worst year in our records for the "Twyning Sewage Treatment Works" is 2021, discharging sewage for 2695.9 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

Tributary Of River Avon | 91 Spills |
1339.7 hours | 15.29
The declared body of water receiving this discharge is the "Tributary Of River Avon"
This station discharged sewage 91 time(s) during 2023.
The station discharged for a total of 1339.7 hour(s).
This is around 55 day(s)* or 15.29% of the year.

The following reasons have been given for the high spill frequency in 2023:
Not Asset Maintenance - Hydraulic Capacity

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

85.8 | 1243.9 hours
This monitor was operational for 85.8% of the year.
Leaving 1243.9 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:
Sensor Failure / Issue

The following description has been given for downtime related actions intended, or taken, by the operator in 2023:
Resolved - Nov

*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 #	S/17/25353/R
Secondary Permit #	S/17/25353/R

2022

Tributary Of River Avon | 82 Spills |
1229.3 hours | 14.03
The declared body of water receiving this discharge is the "Tributary Of River Avon"
This station discharged sewage 82 time(s) during 2022.
The station discharged for a total of 1229.3 hour(s).
This is around 51 day(s)* or 14.03% 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

75 | 2190 hours
This monitor was operational for 75% of the year.
Leaving 2190 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 - Jul

*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 #	S/17/25353/R
Secondary Permit #	S/17/25353/R

2021

Tributary Of River Avon | 133 Spills |
2695.9 hours | 30.77
The declared body of water receiving this discharge is the "Tributary Of River Avon"
This station discharged sewage 133 time(s) during 2021.
The station discharged for a total of 2695.9 hour(s).
This is around 112 day(s)* or 30.77% 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

99.1 | 77.9 hours
This monitor was operational for 99.1% of the year.
Leaving 77.9 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 #	S/17/25353/R
Secondary Permit #	S/17/25353/R

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

River Avon in Worcestershire

River Avon at Wyre Piddle

River Avon at Strensham and Bredon

River Avon at Twyning

River Avon at Evesham

Nearby Alert Areas

River Avon at Pershore and Wick

River Avon at Fladbury and Cropthorne

River Avon at Nogains and Defford Road, Pershore

River Avon at Birlingham and Eckington

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).