In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Boston 509 time(s). Sewage has been discharged for a total of 1215.8 hour(s). In total: 0.13 year(s)* of elapsed time.
87.3 The stations, on average, have been monitoring for 87.3% 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
Maud Foster Drain North Forty Foot Drain South Forty Foot Drain The Haven The Haven (Estuary) The Wash Estuary Tributary Of The Hobhole Drain
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Boston - Yearly Summary
Summary for Year 2023
221 Spills | 616.6 hours
In 2023, sewage was discharged in, or near (~3mi.), Boston 221 time(s). Sewage was discharged for a total of 616.6 hour(s). In total: 0.07 year(s)* of elapsed time.
99.4 The stations, on average, have been monitoring for 99.4% 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
110 Spills | 212.8 hours
In 2022, sewage was discharged in, or near (~3mi.), Boston 110 time(s). Sewage was discharged for a total of 212.8 hour(s). In total: 0.02 year(s)* of elapsed time.
87.1 The stations, on average, have been monitoring for 87.1% 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
178 Spills | 386.3 hours
In 2021, sewage was discharged in, or near (~3mi.), Boston 178 time(s). Sewage was discharged for a total of 386.3 hour(s). In total: 0.04 year(s)* of elapsed time.
75.4 The stations, on average, have been monitoring for 75.4% of the total time in 2021. Stations with missing data have been excluded from this calculation.