River Dearne at Bolton On Dearne STW
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
1321 hours | 5.02
The declared body of water receiving this discharge is the "River Dearne"
This station has discharged sewage 171 time(s).
The station has discharged for a total of 1321 hour(s).
This is 5.02% of the time which we have data for.
In total: 55 day(s)* of elapsed time.
92.6 | 1927.1 hours
This monitor has been operational for 92.6% of its total time we have data for.
There are 1927.19 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Bolton On Dearne STW" is 2023, discharging sewage for 1021.5 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
1021.5 hours | 11.66
The declared body of water receiving this discharge is the "River Dearne"
This station discharged sewage 91 time(s) during 2023.
The station discharged for a total of 1021.5 hour(s).
This is around 42 day(s)* or 11.66% 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
99.3 | 59.5 hours
This monitor was operational for 99.3% of the year.
Leaving 59.5 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 | Yorkshire Water |
| Primary Permit # | 3331 |
| Secondary Permit # | 3331 A2 |
2022
241 hours | 2.75
The declared body of water receiving this discharge is the "River Dearne"
This station discharged sewage 32 time(s) during 2022.
The station discharged for a total of 241 hour(s).
This is around 10 day(s)* or 2.75% of the year.
96.2 | 328.5 hours
This monitor was operational for 96.2% of the year.
Leaving 328.5 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 | Yorkshire Water |
| Primary Permit # | 3331 |
| Secondary Permit # | 3331 A2 |
2021
58.5 hours | 0.66
The declared body of water receiving this discharge is the "River Dearne"
This station discharged sewage 48 time(s) during 2021.
The station discharged for a total of 58.5 hour(s).
This is around 2 day(s)* or 0.66% of the year.
83.3 | 1462.9 hours
This monitor was operational for 83.3% of the year.
Leaving 1462.9 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:
Comms Failure / Issue
The following description has been given for downtime related actions intended, or taken, by the operator in 2021:
Scheduled
*This is total time in days, not individual days of the year.
Permit & Governance
| Attribute | Value |
|---|---|
| Governing Body | The Environment Agency |
| Operator | Yorkshire Water |
| Primary Permit # | 3331 |
| Secondary Permit # | 3331 A2 |
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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
Nearby Flood Warnings
None
Nearby Alert Areas
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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