In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Seven Sisters 2669 time(s). Sewage has been discharged for a total of 18268.7 hour(s). In total: 2.08 year(s)* of elapsed time.
90 The stations, on average, have been monitoring for 90% of the total time we have data for.
Discharge Volume by Year
Hours and Spills by Year
Uptime Yearly Summary (Average)
Summary of Bodies Receiving Discharge
Nant Llech - Headwaters To Confluence With Tawe Tawe - Conf With Giedd To Confluence With Twrch Tawe - Conf With Nant Llech To Conf With Giedd Dulais - Headwaters To Confluence With River Ne Dulais - Headwaters To Confluence With River Neath Pyrddin - Headwaters To Conf With Nedd Fechan Tawe - Conf With Giedd To Confluence With Twrch Tawe - Conf With Nant Llech To Conf Wi Tawe - Conf With Nant Llech To Conf With Giedd Tawe -Confluence With Twrch To Tidal Limit The Afon Dulais
View Summaries Nearby
Seven Sisters - Yearly Summary
Summary for Year 2023
1061 Spills | 7173 hours
In 2023, sewage was discharged in, or near (~3mi.), Seven Sisters 1061 time(s). Sewage was discharged for a total of 7173 hour(s). In total: 0.81 year(s)* of elapsed time.
90.2 The stations, on average, have been monitoring for 90.2% of the total time in 2023. Stations with missing data have been excluded from this calculation.
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2022
851 Spills | 5167.2 hours
In 2022, sewage was discharged in, or near (~3mi.), Seven Sisters 851 time(s). Sewage was discharged for a total of 5167.2 hour(s). In total: 0.58 year(s)* of elapsed time.
87.2 The stations, on average, have been monitoring for 87.2% of the total time in 2022. Stations with missing data have been excluded from this calculation.
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2021
757 Spills | 5928.5 hours
In 2021, sewage was discharged in, or near (~3mi.), Seven Sisters 757 time(s). Sewage was discharged for a total of 5928.5 hour(s). In total: 0.67 year(s)* of elapsed time.
92.6 The stations, on average, have been monitoring for 92.6% of the total time in 2021. Stations with missing data have been excluded from this calculation.