The River Medway at Cannon Lane Combined Sewer Overflow
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
The River Medway | 157 Spills | 863.4 hours | 3.28
The declared body of water receiving this discharge is the "The River Medway" This station has discharged sewage 157 time(s). The station has discharged for a total of 863.4 hour(s). This is 3.28% of the time which we have data for. In total: 35 day(s)* of elapsed time.
99.6 | 87.5 hours This monitor has been operational for 99.6% of its total time we have data for. There are 87.59 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Cannon Lane Combined Sewer Overflow" is 2023, discharging sewage for 477.3 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 - 2023
The River Medway | 67 Spills | 477.3 hours | 5.44 The declared body of water receiving this discharge is the "The River Medway" This station discharged sewage 67 time(s) during 2023. The station discharged for a total of 477.3 hour(s). This is around 19 day(s)* or 5.44% of the year. The following reasons have been given for the high spill frequency in 2023: Performance - Partial / No Capacity Due To Blockage Or Restriction (E.G. Roots / Grid) - Maintenance Issue The following comments have been given on the station operators intended actions: Resolved - Nov
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
Attribute
Value
Governing Body
The Environment Agency
Operator
Southern Water
Primary Permit #
K01503
Secondary Permit #
RP24/64
2022
The River Medway | 46 Spills | 225.3 hours | 2.57 The declared body of water receiving this discharge is the "The River Medway" This station discharged sewage 46 time(s) during 2022. The station discharged for a total of 225.3 hour(s). This is around 9 day(s)* or 2.57% of the year. The following reasons have been given for the high spill frequency in 2022: N/A - Ongoing Investigation The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
99.8 | 10.5 hours This monitor was operational for 99.8% of the year. Leaving 10.5 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
Southern Water
Primary Permit #
K01503
Secondary Permit #
RP24/64
2021
The River Medway | 44 Spills | 160.8 hours | 1.83 The declared body of water receiving this discharge is the "The River Medway" This station discharged sewage 44 time(s) during 2021. The station discharged for a total of 160.8 hour(s). This is around 6 day(s)* or 1.83% of the year. The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
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
Attribute
Value
Governing Body
The Environment Agency
Operator
Southern Water
Primary Permit #
K01503
Secondary Permit #
RP24/64
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Medway between Penshurst and Leigh
River Teise and Lesser Teise area from Horsmonden to Yalding
River Medway at Leigh Village
River Medway, Alder Stream, Coult Stream and River Bourne at East Peckham
River Medway, River Teise and River Beult at Yalding
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