In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Slack 1752 time(s). Sewage has been discharged for a total of 17715.3 hour(s). In total: 2.02 year(s)* of elapsed time.
91 The stations, on average, have been monitoring for 91% 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
Colden Water Hebden Water River Calder Trib Of Ibbot Royd Clough Tributary Of Hebden Water
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Slack - Yearly Summary
Summary for Year 2023
673 Spills | 6600.3 hours
In 2023, sewage was discharged in, or near (~3mi.), Slack 673 time(s). Sewage was discharged for a total of 6600.3 hour(s). In total: 0.75 year(s)* of elapsed time.
88.8 The stations, on average, have been monitoring for 88.8% 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
457 Spills | 4854.9 hours
In 2022, sewage was discharged in, or near (~3mi.), Slack 457 time(s). Sewage was discharged for a total of 4854.9 hour(s). In total: 0.55 year(s)* of elapsed time.
93.4 The stations, on average, have been monitoring for 93.4% 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
622 Spills | 6260.1 hours
In 2021, sewage was discharged in, or near (~3mi.), Slack 622 time(s). Sewage was discharged for a total of 6260.1 hour(s). In total: 0.71 year(s)* of elapsed time.
90.7 The stations, on average, have been monitoring for 90.7% of the total time in 2021. Stations with missing data have been excluded from this calculation.