Sws To River Yarrow at Clover Road Butterworth Brow CSO

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

Sws To River Yarrow | 228 Spills |
1234 hours | 4.69

The declared body of water receiving this discharge is the "Sws To River Yarrow"
This station has discharged sewage 228 time(s).
The station has discharged for a total of 1234 hour(s).
This is 4.69% of the time which we have data for.
In total: 51 day(s)* of elapsed time.

92 | 2102.4 hours
This monitor has been operational for 92% of its total time we have data for.
There are 2102.4 hours unaccounted for due to downtime of the monitor.

The worst year in our records for the "Clover Road Butterworth Brow CSO" is 2021, discharging sewage for 825.5 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

Sws To River Yarrow | 95 Spills |
290.1 hours | 3.31
The declared body of water receiving this discharge is the "Sws To River Yarrow"
This station discharged sewage 95 time(s) during 2023.
The station discharged for a total of 290.1 hour(s).
This is around 12 day(s)* or 3.31% 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

99.9 | 6.1 hours
This monitor was operational for 99.9% of the year.
Leaving 6.1 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	United Utilities
Primary Permit #	01CHR0023
Secondary Permit #	CHR0023

2022

River Yarrow | 56 Spills |
118.3 hours | 1.35
The declared body of water receiving this discharge is the "River Yarrow"
This station discharged sewage 56 time(s) during 2022.
The station discharged for a total of 118.3 hour(s).
This is around 4 day(s)* or 1.35% 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

85.5 | 1267.5 hours
This monitor was operational for 85.5% of the year.
Leaving 1267.5 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:
N/A - Ongoing Investigation

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

Permit & Governance

Attribute	Value
Governing Body	The Environment Agency
Operator	United Utilities
Primary Permit #	01CHR0023
Secondary Permit #	CHR0023

2021

Sws To River Yarrow | 77 Spills |
825.5 hours | 9.42
The declared body of water receiving this discharge is the "Sws To River Yarrow"
This station discharged sewage 77 time(s) during 2021.
The station discharged for a total of 825.5 hour(s).
This is around 34 day(s)* or 9.42% 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

92 | 700.8 hours
This monitor was operational for 92% of the year.
Leaving 700.8 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	United Utilities
Primary Permit #	01CHR0023
Secondary Permit #	CHR0023

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

None

Nearby Stations

Chorley Haworth Road

Pincock Brow

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).