In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Membland 307 time(s). Sewage has been discharged for a total of 1660.5 hour(s). In total: 0.18 year(s)* of elapsed time.
99.5 The stations, on average, have been monitoring for 99.5% 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
Broad Ooze, Yealm Estuary(E) Newton Creek (Estuarine) River Yealm River Yealm Estuary (E) Yealm
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Membland - Yearly Summary
Summary for Year 2023
145 Spills | 991.5 hours
In 2023, sewage was discharged in, or near (~3mi.), Membland 145 time(s). Sewage was discharged for a total of 991.5 hour(s). In total: 0.11 year(s)* of elapsed time.
99 The stations, on average, have been monitoring for 99% 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
62 Spills | 195.2 hours
In 2022, sewage was discharged in, or near (~3mi.), Membland 62 time(s). Sewage was discharged for a total of 195.2 hour(s). In total: 0.02 year(s)* of elapsed time.
99.4 The stations, on average, have been monitoring for 99.4% 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
100 Spills | 473.7 hours
In 2021, sewage was discharged in, or near (~3mi.), Membland 100 time(s). Sewage was discharged for a total of 473.7 hour(s). In total: 0.05 year(s)* of elapsed time.
100 The stations, on average, have been monitoring for 100% of the total time in 2021. Stations with missing data have been excluded from this calculation.