In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Tremadog 1250 time(s). Sewage has been discharged for a total of 6146.7 hour(s). In total: 0.7 year(s)* of elapsed time.
87.7 The stations, on average, have been monitoring for 87.7% 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
Un-Named To Glaslyn Estuary North Un-Named Tributary Tremadog Bay Afon Glaslyn Afon Glaslyn Estuary Cyt Stream Glaslyn Nant Y Cyt Porthmadog Cut The "Cyt Bach" Surface Watercourse Adjacent To Snowdon Street Unnamed Stream
View Summaries Nearby
Tremadog - Yearly Summary
Summary for Year 2023
414 Spills | 1964.7 hours
In 2023, sewage was discharged in, or near (~3mi.), Tremadog 414 time(s). Sewage was discharged for a total of 1964.7 hour(s). In total: 0.22 year(s)* of elapsed time.
89.3 The stations, on average, have been monitoring for 89.3% 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
478 Spills | 2625.2 hours
In 2022, sewage was discharged in, or near (~3mi.), Tremadog 478 time(s). Sewage was discharged for a total of 2625.2 hour(s). In total: 0.29 year(s)* of elapsed time.
89.5 The stations, on average, have been monitoring for 89.5% 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
358 Spills | 1556.7 hours
In 2021, sewage was discharged in, or near (~3mi.), Tremadog 358 time(s). Sewage was discharged for a total of 1556.7 hour(s). In total: 0.17 year(s)* of elapsed time.
84.3 The stations, on average, have been monitoring for 84.3% of the total time in 2021. Stations with missing data have been excluded from this calculation.