The River Medway at Hawthorne Avenue Gillingham 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
The River Medway | 160 Spills | 167 hours | 0.63
The declared body of water receiving this discharge is the "The River Medway" This station has discharged sewage 160 time(s). The station has discharged for a total of 167 hour(s). This is 0.63% of the time which we have data for. In total: 6 day(s)* of elapsed time.
99.3 | 175.2 hours This monitor has been operational for 99.3% 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 "Hawthorne Avenue Gillingham CSO" is 2021, discharging sewage for 76.6 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 | 49 Spills | 48.9 hours | 0.55 The declared body of water receiving this discharge is the "The River Medway" This station discharged sewage 49 time(s) during 2023. The station discharged for a total of 48.9 hour(s). This is around 2 day(s)* or 0.55% 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
98.9 | 96.3 hours This monitor was operational for 98.9% of the year. Leaving 96.3 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 #
A01314
Secondary Permit #
A1314/K/05
2022
The River Medway | 53 Spills | 41.3 hours | 0.47 The declared body of water receiving this discharge is the "The River Medway" This station discharged sewage 53 time(s) during 2022. The station discharged for a total of 41.3 hour(s). This is around 1 day(s)* or 0.47% 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
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 #
A01314
Secondary Permit #
A1314/K/05
2021
The River Medway | 58 Spills | 76.6 hours | 0.87 The declared body of water receiving this discharge is the "The River Medway" This station discharged sewage 58 time(s) during 2021. The station discharged for a total of 76.6 hour(s). This is around 3 day(s)* or 0.87% 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
Attribute
Value
Governing Body
The Environment Agency
Operator
Southern Water
Primary Permit #
A01314
Secondary Permit #
A1314/K/05
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