Nant Y Aber - Source To Conf Rhymney R at Combined Sewer Overflow At Bryn Siriol
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
Nant Y Aber - Source To Conf Rhymney R | 230 Spills | 724 hours | 2.75
The declared body of water receiving this discharge is the "Nant Y Aber - Source To Conf Rhymney R" This station has discharged sewage 230 time(s). The station has discharged for a total of 724 hour(s). This is 2.75% of the time which we have data for. In total: 30 day(s)* of elapsed time.
97 | 788.4 hours This monitor has been operational for 97% of its total time we have data for. There are 788.4 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Combined Sewer Overflow At Bryn Siriol" is 2023, discharging sewage for 355.2 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
Nant Y Aber - Source To Conf Rhymney R | 101 Spills | 355.2 hours | 4.05 The declared body of water receiving this discharge is the "Nant Y Aber - Source To Conf Rhymney R" This station discharged sewage 101 time(s) during 2023. The station discharged for a total of 355.2 hour(s). This is around 14 day(s)* or 4.05% of the year.
95.9 | 355.6 hours This monitor was operational for 95.9% of the year. Leaving 355.6 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
Natural Resources Wales
Operator
Dwr Cymru Welsh Water
Primary Permit #
BB3395CU
Secondary Permit #
BB3395CU
2022
Nant Y Aber - Source To Conf Rhymney R | 71 Spills | 195.5 hours | 2.23 The declared body of water receiving this discharge is the "Nant Y Aber - Source To Conf Rhymney R" This station discharged sewage 71 time(s) during 2022. The station discharged for a total of 195.5 hour(s). This is around 8 day(s)* or 2.23% of the year.
98.8 | 98.9 hours This monitor was operational for 98.8% of the year. Leaving 98.9 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
Natural Resources Wales
Operator
Dwr Cymru Welsh Water
Primary Permit #
BB3395CU
Secondary Permit #
BB3395CU
2021
Nant Y Aber - Source To Conf Rhymney R | 58 Spills | 173.2 hours | 1.97 The declared body of water receiving this discharge is the " Nant Y Aber - Source To Conf Rhymney R" This station discharged sewage 58 time(s) during 2021. The station discharged for a total of 173.2 hour(s). This is around 7 day(s)* or 1.97% of the year.
98.6 | 114.7 hours This monitor was operational for 98.6% of the year. Leaving 114.7 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
Natural Resources Wales
Operator
Dwr Cymru Welsh Water
Primary Permit #
BB3395CU
Secondary Permit #
BB3395CU
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Station overseen (meaning either provided, or regulated) by: Natural Resources Wales 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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