This is a sewage discharge monitoring station, which is usually a type of Event Duration Monitor (EDM). These stations themselves are designed to mitigate the impact of heavy rainfall by discharging, under permitted conditions, any overflow into a water body. They are often actively discharging during flood events. This page presents the data acquired by the monitoring system for this discharge station.
The declared body of water receiving this discharge is the "River Ribble/West Clough Brook" This station has discharged sewage 364 time(s). The station has discharged for a total of 4440.1 hour(s). This is 16.89% of the time which we have data for. In total: 185 day(s)* of elapsed time.
99.3 | 175.2 hours This monitor has been operational for 99.3% of its total time we have data for. There are 175.2 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Grindleton WWTW" is 2023, discharging sewage for 1625.6 hours of the year.
Uptimes below 90% (red line) should be accompanied by a reason
*This is total time in days, not individual days.
Yearly Summary
Most Recent Year - 2023
River Ribble/West Clough Brook | 143 Spills | 1625.6 hours | 18.55 The declared body of water receiving this discharge is the "River Ribble/West Clough Brook" This station discharged sewage 143 time(s) during 2023. The station discharged for a total of 1625.6 hour(s). This is around 67 day(s)* or 18.55% of the year. The following reasons have been given for the high spill frequency in 2023: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A - Hydraulic Capacity
99.8 | 14 hours This monitor was operational for 99.8% of the year. Leaving 14 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
017160035
Secondary Permit #
17160035
2022
West Clough Brook | 91 Spills | 1309.1 hours | 14.94 The declared body of water receiving this discharge is the "West Clough Brook" This station discharged sewage 91 time(s) during 2022. The station discharged for a total of 1309.1 hour(s). This is around 54 day(s)* or 14.94% of the year. The following reasons have been given for the high spill frequency in 2022: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A - Hydraulic Capacity
99.9 | 4.3 hours This monitor was operational for 99.9% of the year. Leaving 4.3 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
017160035
Secondary Permit #
17160035
2021
River Ribble/West Clough Brook | 130 Spills | 1505.3 hours | 17.18 The declared body of water receiving this discharge is the "River Ribble/West Clough Brook" This station discharged sewage 130 time(s) during 2021. The station discharged for a total of 1505.3 hour(s). This is around 62 day(s)* or 17.18% of the year. The following reasons have been given for the high spill frequency in 2021: Not Asset Maintenance - Hydraulic Capacity The following comments have been given on the station operators intended actions: N/A - Hydraulic Capacity
100 | 0 hours This monitor was operational for 100% of the year. Leaving 0 hours unaccounted for in the data.
*This is total time in days, not individual days of the year.
Permit & Governance
Attribute
Value
Governing Body
The Environment Agency
Operator
United Utilities
Primary Permit #
017160035
Secondary Permit #
17160035
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Ribble at Low Moor, Clitheroe
Heys Brook at Chatburn, Victoria Court
Heys Brook at Chatburn, Bridge Road and Ribble Lane
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