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River Tame at Gravelly Hill -Off Walker Drive CSO

This station collects multiple metrics

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 - 2022-2023
River Tame | 22 Spills |
99.8 hours | 0.56


The declared body of water receiving this discharge is the "River Tame"
This station has discharged sewage 22 time(s).
The station has discharged for a total of 99.8 hour(s).
This is 0.56% of the time which we have data for.
In total: 4 day(s)* of elapsed time.

99 | 175.2 hours
This monitor has been operational for 99% of its total time we have data for.
There are 175.2 hours unaccounted for due to downtime of the monitor.


The worst year in our records for the "Gravelly Hill -Off Walker Drive CSO" is 2023, discharging sewage for 99.8 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 Tame | 20 Spills |
99.8 hours | 1.13

The declared body of water receiving this discharge is the "River Tame"
This station discharged sewage 20 time(s) during 2023.
The station discharged for a total of 99.8 hour(s).
This is around 4 day(s)* or 1.13% of the year.

98.3 | 148.9 hours
This monitor was operational for 98.3% of the year.
Leaving 148.9 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 #TSC2012
Secondary Permit #TSC2012

2022
River Tame | 2 Spills |
0 hours | 0

The declared body of water receiving this discharge is the "River Tame"
This station discharged sewage 2 time(s) during 2022.
The station discharged for a total of 0 hour(s).
This is around 0 day(s)* or 0% of the year.

100 | 0 hours
This monitor was operational for 100% of the year.
Leaving 0 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 #TSC2012
Secondary Permit #TSC2012


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
Flood warning icon

River Tame at Hamstead


Flood alert icon

Upper Tame at Sandwell Valley


Nearby Alert Areas
No flood warning icon

River Tame at Witton and Salford Park


No flood warning icon

River Tame at Bescot


No flood warning icon

River Tame at Sandwell Valley and Forge Mill Farm


No flood warning icon

River Tame at Ray Hall Water Works


No flood warning icon

River Tame at Perry Barr


No flood warning icon

Perry Brook at Perry Barr


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Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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