Colne Estuary at Colchester Water Recycling Centre
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 - 2021-2023
Colne Estuary | 67 Spills | 350.2 hours | 1.33
The declared body of water receiving this discharge is the "Colne Estuary" This station has discharged sewage 67 time(s). The station has discharged for a total of 350.2 hour(s). This is 1.33% of the time which we have data for. In total: 14 day(s)* of elapsed time.
66.6 | 8759.9 hours This monitor has been operational for 66.6% of its total time we have data for. There are 8759.99 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Colchester Water Recycling Centre" is 2023, discharging sewage for 183.6 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
Colne Estuary | 33 Spills | 183.6 hours | 2.09 The declared body of water receiving this discharge is the "Colne Estuary" This station discharged sewage 33 time(s) during 2023. The station discharged for a total of 183.6 hour(s). This is around 7 day(s)* or 2.09% of the year. The following reasons have been given for the high spill frequency in 2023: Data Collection - Edm Non-Representative Location
98.2 | 153.3 hours This monitor was operational for 98.2% of the year. Leaving 153.3 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
Anglian Water
Primary Permit #
ASETS1046
Secondary Permit #
ASETS1046/V001_A2
2022
Note: Data is potentially unreliable in 2022 Due to high unavailability of the monitor
Colne Estuary | 6 Spills | 8.5 hours | 0.09 The declared body of water receiving this discharge is the "Colne Estuary" This station discharged sewage 6 time(s) during 2022. The station discharged for a total of 8.5 hour(s). This is around 0 day(s)* or 0.09% of the year. The following reasons have been given for the high spill frequency in 2022: Data Collection - Edm Non-Representative Location The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
20.9 | 6923 hours This monitor was operational for 20.9% of the year. Leaving 6923 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: Comms 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
Anglian Water
Primary Permit #
ASETS1046
Secondary Permit #
ASETS1046/V001_A2
2021
Colne Estuary | 28 Spills | 158.1 hours | 1.8 The declared body of water receiving this discharge is the "Colne Estuary" This station discharged sewage 28 time(s) during 2021. The station discharged for a total of 158.1 hour(s). This is around 6 day(s)* or 1.8% of the year.
82.4 | 1538.2 hours This monitor was operational for 82.4% of the year. Leaving 1538.2 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 2021: Installation Set-Up/Design Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2021: Resolved - July
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Anglian Water
Primary Permit #
ASETS1046
Secondary Permit #
ASETS1046/V001_A2
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