In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Knottingley 1749 time(s). Sewage has been discharged for a total of 7345.4 hour(s). In total: 0.83 year(s)* of elapsed time.
94.1 The stations, on average, have been monitoring for 94.1% 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
Aire & Calder Navigation Aire And Calder Navigation Blowell Drain Fryston Beck River Aire Town Dyke Tributary Of River Aire Wash Dike
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Knottingley - Yearly Summary
Summary for Year 2023
602 Spills | 2783.6 hours
In 2023, sewage was discharged in, or near (~3mi.), Knottingley 602 time(s). Sewage was discharged for a total of 2783.6 hour(s). In total: 0.31 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
533 Spills | 1626 hours
In 2022, sewage was discharged in, or near (~3mi.), Knottingley 533 time(s). Sewage was discharged for a total of 1626 hour(s). In total: 0.18 year(s)* of elapsed time.
92.7 The stations, on average, have been monitoring for 92.7% 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
614 Spills | 2935.7 hours
In 2021, sewage was discharged in, or near (~3mi.), Knottingley 614 time(s). Sewage was discharged for a total of 2935.7 hour(s). In total: 0.33 year(s)* of elapsed time.
89.7 The stations, on average, have been monitoring for 89.7% of the total time in 2021. Stations with missing data have been excluded from this calculation.