In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Holywell 412 time(s). Sewage has been discharged for a total of 3547.8 hour(s). In total: 0.4 year(s)* of elapsed time.
83.1 The stations, on average, have been monitoring for 83.1% 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
Houghton Drain Marley Gap Brook River Gr Ouse/ Ml Gravel Pit River Great Ouse River Ouse Tributary River Great Ouse Nt Unnamed Ditch Tributary River
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Holywell - Yearly Summary
Summary for Year 2023
130 Spills | 1050.6 hours
In 2023, sewage was discharged in, or near (~3mi.), Holywell 130 time(s). Sewage was discharged for a total of 1050.6 hour(s). In total: 0.11 year(s)* of elapsed time.
99.9 The stations, on average, have been monitoring for 99.9% 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
101 Spills | 817.9 hours
In 2022, sewage was discharged in, or near (~3mi.), Holywell 101 time(s). Sewage was discharged for a total of 817.9 hour(s). In total: 0.09 year(s)* of elapsed time.
86.9 The stations, on average, have been monitoring for 86.9% 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
181 Spills | 1679.2 hours
In 2021, sewage was discharged in, or near (~3mi.), Holywell 181 time(s). Sewage was discharged for a total of 1679.2 hour(s). In total: 0.19 year(s)* of elapsed time.
62.5 The stations, on average, have been monitoring for 62.5% of the total time in 2021. Stations with missing data have been excluded from this calculation.