In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Harpenden 22 time(s). Sewage has been discharged for a total of 202.6 hour(s). In total: 0.02 year(s)* of elapsed time.
99.3 The stations, on average, have been monitoring for 99.3% of the total time we have data for.
Discharge Volume by Year
Hours and Spills by Year
Uptime Yearly Summary (Average)
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Harpenden - Yearly Summary
Summary for Year 2023
4 Spills | 35 hours
In 2023, sewage was discharged in, or near (~3mi.), Harpenden 4 time(s). Sewage was discharged for a total of 35 hour(s). In total: 0 year(s)* of elapsed time.
99.8 The stations, on average, have been monitoring for 99.8% 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
5 Spills | 47.1 hours
In 2022, sewage was discharged in, or near (~3mi.), Harpenden 5 time(s). Sewage was discharged for a total of 47.1 hour(s). In total: 0 year(s)* of elapsed time.
100 The stations, on average, have been monitoring for 100% 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
13 Spills | 120.4 hours
In 2021, sewage was discharged in, or near (~3mi.), Harpenden 13 time(s). Sewage was discharged for a total of 120.4 hour(s). In total: 0.01 year(s)* of elapsed time.
98.2 The stations, on average, have been monitoring for 98.2% of the total time in 2021. Stations with missing data have been excluded from this calculation.