In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Portishead 815 time(s). Sewage has been discharged for a total of 4910.7 hour(s). In total: 0.56 year(s)* of elapsed time.
89.9 The stations, on average, have been monitoring for 89.9% 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
(E) Severn Estuary Estuary (E) Portbury Ditch Via Sws Portbury Ditch(S) Portbury Ditch,Trib Portbury Drove Rhyne River Severn (Estuarine) Severn Estuary Tributary Of Portbury Ditch
View Summaries Nearby
Portishead - Yearly Summary
Summary for Year 2023
379 Spills | 2485.7 hours
In 2023, sewage was discharged in, or near (~3mi.), Portishead 379 time(s). Sewage was discharged for a total of 2485.7 hour(s). In total: 0.28 year(s)* of elapsed time.
97.9 The stations, on average, have been monitoring for 97.9% 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
204 Spills | 910.7 hours
In 2022, sewage was discharged in, or near (~3mi.), Portishead 204 time(s). Sewage was discharged for a total of 910.7 hour(s). In total: 0.1 year(s)* of elapsed time.
82.5 The stations, on average, have been monitoring for 82.5% 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
232 Spills | 1514.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Portishead 232 time(s). Sewage was discharged for a total of 1514.2 hour(s). In total: 0.17 year(s)* of elapsed time.
89.4 The stations, on average, have been monitoring for 89.4% of the total time in 2021. Stations with missing data have been excluded from this calculation.