Heol-ddu - Sewage Summary
Summary for Heol-ddu 2021-2023
In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Heol-ddu 1027 time(s).
Sewage has been discharged for a total of 7908.2 hour(s).
In total: 0.9 year(s)* of elapsed time.
92.6
The stations, on average, have been monitoring for 92.6% 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
Barnaby Pil - Headwaters To Tidal Limit Gwendraeth Fawr - Afan Goch To Tidal Limit Afon Dulais Afon Dulais, Via Surface Water System Barnaby Pill Burry Inlet Outer Burry Port Harbour Via Drain Canal Dulais - Headwaters To Confluence With Loughor Gwendraeth Fawr - Afan Goch To Tidal Limit Loughor - Headwaters To Confluence With Marlas Nant Dyfatty Nant Dyfatty - Headwaters To Tidal Limit
View Summaries Nearby
Heol-ddu - Yearly Summary
Summary for Year 2023
In 2023, sewage was discharged in, or near (~3mi.), Heol-ddu 487 time(s).
Sewage was discharged for a total of 4203 hour(s).
In total: 0.47 year(s)* of elapsed time.
90.5
The stations, on average, have been monitoring for 90.5% of the total time in 2023.
Stations with missing data have been excluded from this calculation.
Worst Stations in 2023
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2022
In 2022, sewage was discharged in, or near (~3mi.), Heol-ddu 290 time(s).
Sewage was discharged for a total of 2074.7 hour(s).
In total: 0.23 year(s)* of elapsed time.
96
The stations, on average, have been monitoring for 96% of the total time in 2022.
Stations with missing data have been excluded from this calculation.
Worst Stations in 2022
A single station may appear twice when there are multiple individual outlets in the top 3.
Summary for Year 2021
In 2021, sewage was discharged in, or near (~3mi.), Heol-ddu 250 time(s).
Sewage was discharged for a total of 1630.5 hour(s).
In total: 0.18 year(s)* of elapsed time.
91.4
The stations, on average, have been monitoring for 91.4% of the total time in 2021.
Stations with missing data have been excluded from this calculation.
Worst Stations in 2021
A single station may appear twice when there are multiple individual outlets in the top 3.
* - Elapsed time, in years or days, is the sum of time across the station(s) for which discharge event(s) have occured.
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