Gwendraeth Fawr - Headwaters Afan Goch at Parc Y Dai CSO
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 "Gwendraeth Fawr - Headwaters Afan Goch" This station has discharged sewage 184 time(s). The station has discharged for a total of 725 hour(s). This is 2.75% of the time which we have data for. In total: 30 day(s)* of elapsed time.
97.3 | 700.8 hours This monitor has been operational for 97.3% of its total time we have data for. There are 700.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Parc Y Dai CSO" is 2022, discharging sewage for 364.7 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
Gwendraeth Fawr - Headwaters Afan Goch | 65 Spills | 196.5 hours | 2.24 The declared body of water receiving this discharge is the "Gwendraeth Fawr - Headwaters Afan Goch" This station discharged sewage 65 time(s) during 2023. The station discharged for a total of 196.5 hour(s). This is around 8 day(s)* or 2.24% of the year.
97.9 | 183 hours This monitor was operational for 97.9% of the year. Leaving 183 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 #
BW0800101
Secondary Permit #
BW0800101
2022
Gwendraeth Fawr - Headwaters Afan Goch | 64 Spills | 364.7 hours | 4.16 The declared body of water receiving this discharge is the "Gwendraeth Fawr - Headwaters Afan Goch" This station discharged sewage 64 time(s) during 2022. The station discharged for a total of 364.7 hour(s). This is around 15 day(s)* or 4.16% of the year.
98.8 | 101.6 hours This monitor was operational for 98.8% of the year. Leaving 101.6 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 #
BW0800101
Secondary Permit #
BW0800101
2021
Gwendraeth Fawr - Headwaters Afan Goch | 55 Spills | 163.7 hours | 1.86 The declared body of water receiving this discharge is the "Gwendraeth Fawr - Headwaters Afan Goch" This station discharged sewage 55 time(s) during 2021. The station discharged for a total of 163.7 hour(s). This is around 6 day(s)* or 1.86% of the year.
97.5 | 213.7 hours This monitor was operational for 97.5% of the year. Leaving 213.7 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 #
BW0800101
Secondary Permit #
BW0800101
FloodMapper is not affiliated with this monitoring stations operator(s) or any other entities that may be mentioned on this page. All trademarks and registered trademarks are the property of their respective owners. Operator comments are presented, unedited, as they were received by us and do not reflect our views or position
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
FloodMapper is an independent site and is not associated with any government bodies (e.g. Environment Agency).