Development of an aquatic exposure assessment model for Imidacloprid in sewage treatment plant discharges arising from use of veterinary medicinal products

Anthe, Mechthild; Valles-Ebeling, Beatrice; Achtenhagen, Jan; Arenz-Leufen, Martina; Atkinson, Jackie; Starp, Michael; Corsing, Christian

doi:10.1186/s12302-020-00424-4

Environmental Sciences Europe

Table 3 Imidacloprid concentrations determined at various sampling locations in the framework of the European Watch List

From: Development of an aquatic exposure assessment model for Imidacloprid in sewage treatment plant discharges arising from use of veterinary medicinal products

Sampling location	Full name of sampling location	Land use	Spatial location (latitude/longitude)	Mean imidacloprid concentrations in µg/L [number of measurements]			Minimum concentration of imidacloprid in µg/L			Maximum concentration of imidacloprid in µg/L
Sampling location	Full name of sampling location	Land use	Spatial location (latitude/longitude)	2016	2017	2018	2016	2017	2018	2016	2017	2018
England
Sincil	Sincil Dyke Washingborough	Wastewater treatment plant	53.225671, − 0.480368	0.035 [2]	0.076 [1]	0.05 [3]	0.01	0.076	0.036	0.059	0.076	0.059
Somerhill	Somerhill Stream Old Forge FM	Wastewater treatment plant	51.162241, 0.278286	0.14 [2]	0.19 [1]	0.14 [5]	0.089	0.19	0.074	0.18	0.19	0.2
Tame	River Tame—U/S Coleshill stw	Wastewater treatment plant	52.520587, − 1.718607	0.037 [2]	0.054 [1]	0.07 [3]	0.012	0.054	0.067	0.062	0.054	0.074
Wyke	Wyke Beck below Knostrop Works FE	Wastewater treatment plant	53.771364, − 1.475679	0.044 [2]	n.a	n.a	0.026	n.a	n.a	0.061	n.a	n.a
Chelt	River Chelt Princess Elizabeth Way	Urban	51.912862, − 2.099967	0.015 [2]	0.0097 [1]	n.a	0.001	0.0097	n.a	0.03	0.0097	n.a
Irwell	River Irwell at Old Ringley Bridge	Urban	53.543906, − 2.358737	0.012 [1]	n.a	0.023 [1]	0.012	n.a	0.023	0.012	n.a	0.023
Ancholme (Horkstow)	R.Ancholme Horkstow Bottom	Industrial	53.658336, − 0.528363	0.008 [2]	0.0079 [1]	n.a	0.004	0.0079	n.a	0.012	0.0079	n.a
Blyth	Blyth at Bedlington Bridge	Industrial	55.126473, − 1.583458	0.0005 [1]	0.0032 [1]	n.a	0.001	0.0032	n.a	0.001	0.0032	n.a
Ancholme (Cadney)	R.Ancholme Cadney Bottom	Arable	53.512942, − 0.491962	n.a	0.0051 [3]	n.a	n.a	0.0041	n.a	n.a	0.0063	n.a
Waveney	R.Waveney Ellingham Mill	Arable	52.471099, 1.479204	0.019 [51]	0.014 [24]	0.01 [11]	0.005	0.0068	0.004	0.074	0.036	0.024
Wensum	R.Wensum Seet Briar RD.BR	Arable	52.638365, 1.258888	0.015 [52]	0.011 [21]	0.0078 [17]	0.0065	0.0084	0.0038	0.026	0.028	0.01
Ouse (Roxton)	River Ouse Roxton Lock	Arable/Grassland	52.166844, − 0.306319	0.049 [35]	0.029 [35]	0.028 [27]	0.01	0.015	0.0047	0.082	0.053	0.046
Ouse (Skelton)	River Ouse at Nether Poppleton (Skelton)	Arable/Grassland	53.991187, − 1.13455	0.014 [21]	0.0049 [4]	0.031 [3]	0.001	0.0029	0.0016	0.11	0.0062	0.083
Lugg	River Lugg at Mo	Grassland	52.033862, − 2.628223	n.a	0.0050 [7]	n.a	n.a	0.0017	n.a	n.a	0.0016	n.a
Teme	River Teme at Powick	Grassland	52.170057, − 2.241934	0.007 [1]	0.021 [1]	n.a	0.007	0.021	n.a	0.007	0.021	n.a
Test	River Test Longbridge	Grassland	50.958959, − 1.495922	0.0086 [1]	0.0058 [1]	n.a	0.0086	0.0058	n.a	0.0086	0.0058	n.a
Ivel	R.Ivel Tempsford Depot Ft.Br	n.a	52.165758, − 0.303948	n.a	n.a	0.045 [33]	n.a	n.a	0.013	n.a	n.a	0.093
Nene	R.Nene Wansford Old Rd.Br	n.a	52.579088, − 0.414965	n.a	n.a	0.028 [38]	n.a	n.a	0.0093	n.a	n.a	0.047
Wales
Mawddach	River Mawddach Ty’n Y Groes Hotel Bridge	Background	52.792951, − 3.885728	0.0005 [1]	No access	0.0005 [1]	0.001	No access	0.001	0.001	No access	0.001
Alyn	River Alyn at Ithels Bridge	Wastewater treatment plant	53.100250, − 2.912500	n.a	No access	0.059 [1]	n.a	No access	0.059	n.a	No access	0.059
Trothy	Trothy at Onen	Arable	51.827378, − 2.832079	0.0012 [1]	No access	0.0005 [1]	0.0012	No access	0.001	0.0012	No access	0.001
Towy Nantgaredig	Towy Nantgaredig, near Carmarthen	Livestock	51.8608 − 4.18971	0.0005 [1]	No access	0.0005 [1]	0.001	No access	0.001	0.001	No access	0.001
Scotland
Dubh Loch	Dubh Loch Outlet	Background	56.929703, − 3.254838	0.0073 [2]	n.a	n.a	0.001	n.a	n.a	0.014	n.a	n.a
Clyde	River Clyde	Wastewater treatment plant	55.8523, − 4.24593	0.0019 [2]	0.009 [1]	0.0005 [1]	0.001	0.009	0.001	0.0033	0.009	0.001
Ugie	River Ugie	Arable	57.523, − 1.83385	0.0005 [1]	n.a	0.0005 [1]	0.001	n.a	0.001 [1]	0.001	n.a	0.001 [1]
Ythan	River Ythan	Arable	57.3637, − 2.07227	0.0005 [1]	n.a	0.0005 [1]	0.001	n.a	0.001 [1]	0.001	n.a	0.001 [1]
North Ireland
Dunnyboe	Dunnyboe Burn at Dunnyboe Bridge	Background	54.8384, − 7.28512	n.a	0.0005 [1]	0.0005 [1]	n.a	0.001	0.001	n.a	0.001	0.001
Lagan	River Lagan at Stranmillis Weir Station	Wastewater treatment plant	54.5685, − 5.92689	0.0057 [2]^a	0.0005 [2]	0.0005 [2]	0.0043^a	0.001	0.001	0.007^a	0.001	0.001
Quoile	Quoile River at Quoile Bridge	Arable	54.344700, − 5.711970	0.0039 [1]^a	0.0005 [2]	0.0005 [2]	0.0039^a	0.001	0.001	0.0039^a	0.001	0.001

As otherwise noted, the concentrations were taken from EIONET [13]. The LOQ of all measurements was 0.001 µg/L. Samples are reported as half LOQ if detected but below the LOQ
n.a. not available, No access No access permission on [13]
^aValue taken from [14]

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