River Basins South West North Devon Taw and North Devon Streams Lower Caen Knowle Wastewater Treatment Works
Tributary Of River Caen at Knowle Wastewater Treatment Works
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.
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.
Operational Summary - 2021-2023
1588.8 hours | 6.04
The declared body of water receiving this discharge is the "Tributary Of River Caen"
This station has discharged sewage 194 time(s).
The station has discharged for a total of 1588.8 hour(s).
This is 6.04% of the time which we have data for.
In total: 66 day(s)* of elapsed time.
99 | 262.8 hours
This monitor has been operational for 99% of its total time we have data for.
There are 262.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Knowle Wastewater Treatment Works" is 2021, discharging sewage for 686.2 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
669.8 hours | 7.64
The declared body of water receiving this discharge is the "Tributary Of River Caen"
This station discharged sewage 80 time(s) during 2023.
The station discharged for a total of 669.8 hour(s).
This is around 27 day(s)* or 7.64% 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
99.9 | 2.6 hours
This monitor was operational for 99.9% of the year.
Leaving 2.6 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 | South West Water |
| Primary Permit # | 202367 |
| Secondary Permit # | 202367 |
2022
232.7 hours | 2.65
The declared body of water receiving this discharge is the "Tributary Of River Caen"
This station discharged sewage 38 time(s) during 2022.
The station discharged for a total of 232.7 hour(s).
This is around 9 day(s)* or 2.65% 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 | 87.6 hours
This monitor was operational for 99% of the year.
Leaving 87.6 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 | South West Water |
| Primary Permit # | 202367 |
| Secondary Permit # | 202367 |
2021
686.2 hours | 7.83
The declared body of water receiving this discharge is the "Tributary Of River Caen"
This station discharged sewage 76 time(s) during 2021.
The station discharged for a total of 686.2 hour(s).
This is around 28 day(s)* or 7.83% of the year.
99 | 87.6 hours
This monitor was operational for 99% of the year.
Leaving 87.6 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 | South West Water |
| Primary Permit # | 202367 |
| Secondary Permit # | 202367 |
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Operator comments are presented, unedited, as they were received by us and do not reflect our views or position
Local Information
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None
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