In the period we have records for, 2021-2023, sewage has been discharged in, or near (~3mi.), Blackhall Mill 1682 time(s). Sewage has been discharged for a total of 8266.4 hour(s). In total: 0.94 year(s)* of elapsed time.
96.9 The stations, on average, have been monitoring for 96.9% 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
A Tributary Of Barlow Burn Blackstone Burn River Derwent Derwent Derwent Tributary Derwent, Tributary Of Ebchester Burn Low Spen Burn Pont Burn (River Derwent) River Derwent Spen Burn Tongue Burn Tongue Burn (Derwent) Trib Of River Derwent Tributary Of River Derwent Tributary Of The River Derwent Unnamed Trib Of Spen Burn
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Blackhall Mill - Yearly Summary
Summary for Year 2023
590 Spills | 3074 hours
In 2023, sewage was discharged in, or near (~3mi.), Blackhall Mill 590 time(s). Sewage was discharged for a total of 3074 hour(s). In total: 0.35 year(s)* of elapsed time.
96.4 The stations, on average, have been monitoring for 96.4% 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
464 Spills | 1439.5 hours
In 2022, sewage was discharged in, or near (~3mi.), Blackhall Mill 464 time(s). Sewage was discharged for a total of 1439.5 hour(s). In total: 0.16 year(s)* of elapsed time.
95.2 The stations, on average, have been monitoring for 95.2% 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
628 Spills | 3752.8 hours
In 2021, sewage was discharged in, or near (~3mi.), Blackhall Mill 628 time(s). Sewage was discharged for a total of 3752.8 hour(s). In total: 0.42 year(s)* of elapsed time.
99 The stations, on average, have been monitoring for 99% of the total time in 2021. Stations with missing data have been excluded from this calculation.