River Basins South West Cornwall West and the Fal Fal Upper River Fal St Dennis Wastewater Treatment Work
River Fal at St Dennis Wastewater Treatment Work
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
10792.4 hours | 41.06
The declared body of water receiving this discharge is the "River Fal"
This station has discharged sewage 619 time(s).
The station has discharged for a total of 10792.4 hour(s).
This is 41.06% of the time which we have data for.
In total: 449 day(s)* of elapsed time.
100 | 0 hours
This monitor has been operational for 100% of its total time we have data for.
There are 0 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "St Dennis Wastewater Treatment Work" is 2021, discharging sewage for 7486 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
2161.8 hours | 24.67
The declared body of water receiving this discharge is the "River Fal"
This station discharged sewage 149 time(s) during 2023.
The station discharged for a total of 2161.8 hour(s).
This is around 90 day(s)* or 24.67% 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
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 | South West Water |
| Primary Permit # | NRA-SW-3885 |
| Secondary Permit # | NRA-SW-3885 |
2022
1144.6 hours | 13.06
The declared body of water receiving this discharge is the "River Fal"
This station discharged sewage 115 time(s) during 2022.
The station discharged for a total of 1144.6 hour(s).
This is around 47 day(s)* or 13.06% 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
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 | South West Water |
| Primary Permit # | NRA-SW-3885 |
| Secondary Permit # | NRA-SW-3885 |
2021
7486 hours | 85.45
The declared body of water receiving this discharge is the "River Fal"
This station discharged sewage 355 time(s) during 2021.
The station discharged for a total of 7486 hour(s).
This is around 311 day(s)* or 85.45% 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 | South West Water |
| Primary Permit # | NRA-SW-3885 |
| Secondary Permit # | NRA-SW-3885 |
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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
Station Data Information
Station overseen (meaning either provided, or regulated) by: The Environment Agency
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Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
The information displayed here is used under license. We are not affiliated with any governing, or other, bodies. Nor do they necessarily endorse us, or us them.
Please note that FloodMapper does not verify or check the accuracy of the data provided by third parties. The data is used as received from the source. Any underlying errors, inconsistencies, or inaccuracies in the original data will be reflected in the information presented on our platform. Users are advised to exercise their own judgment and caution when using the data for decision-making purposes.
Information about our data sources and licenses can be found
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