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.
The declared body of water receiving this discharge is the "Tributary Of Lyme Brook" This station has discharged sewage 38 time(s). The station has discharged for a total of 27.1 hour(s). This is 0.1% of the time which we have data for. In total: 1 day(s)* of elapsed time.
65.6 | 9022.7 hours This monitor has been operational for 65.6% of its total time we have data for. There are 9022.79 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Dartmouth Avenue CSO" is 2021, discharging sewage for 20.3 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
Tributary Of Lyme Brook | 8 Spills | 3.2 hours | 0.03 The declared body of water receiving this discharge is the "Tributary Of Lyme Brook" This station discharged sewage 8 time(s) during 2023. The station discharged for a total of 3.2 hour(s). This is around 0 day(s)* or 0.03% of the year.
96.1 | 341.6 hours This monitor was operational for 96.1% of the year. Leaving 341.6 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
Severn Trent Water
Primary Permit #
T/01/21213/O
Secondary Permit #
T/01/21213/O
2022
Tributary Of Lyme Brook | 13 Spills | 3.6 hours | 0.04 The declared body of water receiving this discharge is the "Tributary Of Lyme Brook" This station discharged sewage 13 time(s) during 2022. The station discharged for a total of 3.6 hour(s). This is around 0 day(s)* or 0.04% 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
90.7 | 811.1 hours This monitor was operational for 90.7% of the year. Leaving 811.1 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
Severn Trent Water
Primary Permit #
T/01/21213/O
Secondary Permit #
T/01/21213/O
2021
Note: Data is potentially unreliable in 2021 Due to high unavailability of the monitor
Tributary Of Lyme Brook | 17 Spills | 20.3 hours | 0.23 The declared body of water receiving this discharge is the "Tributary Of Lyme Brook" This station discharged sewage 17 time(s) during 2021. The station discharged for a total of 20.3 hour(s). This is around 0 day(s)* or 0.23% of the year.
11.4 | 7753.4 hours This monitor was operational for 11.4% of the year. Leaving 7753.4 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: Sensor Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2021: Resolved - December
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
Severn Trent Water
Primary Permit #
T/01/21213/O
Secondary Permit #
T/01/21213/O
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