sampling point
Pollington Fleet Drain - Crow Croft Lane

Description	POLLINGTON FLEET DRAIN AT CROW CROFT LANE
Sampling point ID	NE-49301229
Type	Freshwater – Rivers
Status	open
Location	easting northing: 462355 418709 lat lon: 53.661147, -1.057865
Area	Yorkshire
Sub-Area	Don, Rother
Summary	13 samples taken between 2024 and 2017

Determinands identify a property which can be measured on a sample or the sampling environment, together with the units in which the result of that measurement will be expressed.

13 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Samples from 11 May 2017 to 12 Jun 2024

Notation	Determinand	Units	11 May 2017 14:07	13 Jun 2017 14:13	5 Jul 2017 11:57	3 Aug 2017 12:12	14 Sep 2017 10:50	10 Oct 2017 09:53	3 Nov 2017 12:20	29 Nov 2017 14:12	10 Jan 2018 12:33	12 Jun 2024 08:47
0061	pH		7.72	7.76	7.43	7.63	7.95	7.78		7.58	7.78	8.17
0076	Temperature of Water	°C	13	14.8	14.8	15.1	11.1	12.9		4.4	4.9	13.2
0077	Conductivity at 25 C	μs/cm	767	839	816	730	768	810		730	878	839
0111	Ammoniacal Nitrogen as N	mg/l	0.034	0.067	0.111	0.265	< 0.03	0.057		0.282	0.103	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.29	1.59	< 0.2	< 0.2	< 0.2	< 0.2		< 0.2	12.5	3.1
0117	Nitrate as N	mg/l	3.25	1.55	0.161	0.185	< 0.196	< 0.196		0.194	12.5	3.06
0118	Nitrite as N	mg/l	0.0365	0.0432	0.0387	0.0149	< 0.004	< 0.004		0.0056	0.0428	0.04
0119	Ammonia un-ionised as N	mg/l	0.00041	0.00101	0.00079	0.00304	< 0.00053	0.00078		0.00131	0.00078	< 0.00069
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	182	251	250	221	225	262		261	256	210
0180	Orthophosphate, reactive as P	mg/l	0.045	0.12	0.34	0.472	0.119	0.045		0.292	0.107	0.011
7668	No flow /No sample								0
9901	Oxygen, Dissolved, % Saturation	%	86.9	61.2	36.7	48.2	71	66.3		42	85.8	109.6
9924	Oxygen, Dissolved as O2	mg/l	9.13	6.18	3.71	4.84	7.79	6.98		5.44	11	11.5

Samples from 23 Feb 2017 to 6 Apr 2017

Notation	Determinand	Units	23 Feb 2017 11:33	13 Mar 2017 14:53	6 Apr 2017 14:03
0061	pH		7.61	8.11	8.21
0076	Temperature of Water	°C	7.3	9.2	11
0077	Conductivity at 25 C	μs/cm	853	908	894
0111	Ammoniacal Nitrogen as N	mg/l	0.247	< 0.03	1.61
0116	Nitrogen, Total Oxidised as N	mg/l	9.49	10	10.1
0117	Nitrate as N	mg/l	9.44	9.98	9.98
0118	Nitrite as N	mg/l	0.0519	0.0246	0.12
0119	Ammonia un-ionised as N	mg/l	0.00152	< 0.00052	0.0316
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	249	257	241
0180	Orthophosphate, reactive as P	mg/l	0.044	0.044	0.077
9901	Oxygen, Dissolved, % Saturation	%	104.8	134.7	117.3
9924	Oxygen, Dissolved as O2	mg/l	12.6	15.5	12.9