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.
Sewage Reports that include this Station
Operational Summary - 2021-2023
River Nadder | 201 Spills | 2297.6 hours | 8.74
The declared body of water receiving this discharge is the "River Nadder" This station has discharged sewage 201 time(s). The station has discharged for a total of 2297.6 hour(s). This is 8.74% of the time which we have data for. In total: 95 day(s)* of elapsed time.
99 | 262.8 hours This monitor has been operational for 99% of its total time we have data for. There are 262.8 hours unaccounted for due to downtime of the monitor.
The worst year in our records for the "Barford St Martin Wrc" is 2023, discharging sewage for 1680.7 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 Nadder | 122 Spills | 1680.7 hours | 19.18 The declared body of water receiving this discharge is the "River Nadder" This station discharged sewage 122 time(s) during 2023. The station discharged for a total of 1680.7 hour(s). This is around 70 day(s)* or 19.18% of the year. The following reasons have been given for the high spill frequency in 2023: Performance - Infiltration The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
99.9 | 6.1 hours This monitor was operational for 99.9% of the year. Leaving 6.1 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
Wessex Water
Primary Permit #
041560
Secondary Permit #
13015S
2022
River Nadder | 10 Spills | 38.2 hours | 0.43 The declared body of water receiving this discharge is the "River Nadder" This station discharged sewage 10 time(s) during 2022. The station discharged for a total of 38.2 hour(s). This is around 1 day(s)* or 0.43% of the year. The following reasons have been given for the high spill frequency in 2022: N/A - Ongoing Investigation The following comments have been given on the station operators intended actions: N/A - Ongoing Investigation
99.9 | 7 hours This monitor was operational for 99.9% of the year. Leaving 7 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
Wessex Water
Primary Permit #
041560
Secondary Permit #
13015S
2021
River Nadder | 69 Spills | 578.6 hours | 6.6 The declared body of water receiving this discharge is the "River Nadder" This station discharged sewage 69 time(s) during 2021. The station discharged for a total of 578.6 hour(s). This is around 24 day(s)* or 6.6% of the year.
99.2 | 70 hours This monitor was operational for 99.2% of the year. Leaving 70 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
Wessex Water
Primary Permit #
41560
Secondary Permit #
13015S
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Local Information
Nearby Flood Warnings
None
Nearby Alert Areas
River Nadder at South Street, Wilton
River Nadder and tributaries
Groundwater flooding in the South Wiltshire Downs - The Chilmark
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