sampling point
Skell At Hell Wath Lane

Description	SKELL AT HELL WATH LANE
Sampling point ID	NE-49105189
Type	Freshwater – Rivers
Status	open
Location	easting northing: 429912 469943 lat lon: 54.124467, -1.543806
Area	Yorkshire
Sub-Area	Swale, Ure, Nidd, Ouse
Summary	71 samples taken between 2021 and 2013

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)
BOD ATU
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 71 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Oct 2020 to 10 Aug 2021

Notation	Determinand	Units	22 Oct 2020 11:49	10 Nov 2020 10:52	1 Dec 2020 10:19	14 Jan 2021 10:14	16 Feb 2021 09:47	8 Mar 2021 09:42	7 May 2021 11:06	4 Jun 2021 10:16	2 Jul 2021 08:02	10 Aug 2021 09:46
0061	pH		8.15	8.04	8.1	8.26	7.85	8.01	8	7.74	7.59	7.68
0076	Temperature of Water	°C	10.5	10	6.7	2.4	4.8	6.8	8.8	12.8	13.3	14.8
0077	Conductivity at 25 C	μs/cm	325	360	438	233	400	526	398	502	531	486
0085	BOD : 5 Day ATU	mg/l	1.3	1.1	1.3	3.2		< 1	1.4	< 1	< 3	< 3
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.055	< 0.03	0.2	0.13	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.4	2.9	3.7	1.6	3.5	5.5	3.2	4.4	3.3	2.5
0117	Nitrate as N	mg/l	2.39	2.87	3.7	1.59	3.48	5.5	3.2	4.39	3.29	2.49
0118	Nitrite as N	mg/l	0.0061	0.03	0.0046	0.013	0.021	< 0.004	< 0.004	0.0081	0.0059	0.0078
0119	Ammonia un-ionised as N	mg/l	< 0.00057	0.001	< 0.00043	0.00209	0.00115	< 0.00043	< 0.0005	< 0.00037	< 0.00027	< 0.00038
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	110	120	150	61	120	200	140	200	180	170
0180	Orthophosphate, reactive as P	mg/l	0.023	0.031	0.021	0.047	0.021	0.015	0.011	0.024	0.027	0.025
9901	Oxygen, Dissolved, % Saturation	%	96.2	92.6	90.4	98.9	103.9	88.5	92.1	79.8	86.1	74.5
9924	Oxygen, Dissolved as O2	mg/l	10.7	10.4	11	13.5	13.3	10.8	10.7	8.43	8.99	7.53

Samples from 3 Jul 2019 to 13 Mar 2020

Notation	Determinand	Units	3 Jul 2019 14:10	17 Jul 2019 09:12	5 Aug 2019 12:07	25 Sep 2019 08:51	1 Oct 2019 13:53	6 Nov 2019 11:22	3 Dec 2019 14:11	9 Jan 2020 12:00	10 Feb 2020 13:14	13 Mar 2020 09:34
0061	pH		7.86	7.74	7.74	7.98	7.69	8	7.93	7.92	7.59	7.71
0076	Temperature of Water	°C	13.8	13.9	16.1	13.6	11.6	7.8	5.4	6.7	5.3	5.4
0077	Conductivity at 25 C	μs/cm	448	433	393	393	149	274	355	338	174	230
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.095	< 0.03	< 0.03	0.066	0.1	0.12
0116	Nitrogen, Total Oxidised as N	mg/l	2.6	1.9	2.2	1.2	1.9	2.43	3.6	3	2	1.8
0117	Nitrate as N	mg/l	2.6	1.9	2.2	1.2	1.89	2.42	3.59	2.98	1.99	1.79
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	0.0095	0.0118	0.011	0.02	0.0096	0.014
0119	Ammonia un-ionised as N	mg/l	< 0.00053	< 0.0004	< 0.00048	< 0.00068	0.00096	< 0.00047	< 0.00033	0.00079	0.00051	0.00081
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	150	144	130	120	45	91	120	98	47	72
0180	Orthophosphate, reactive as P	mg/l	0.017	0.016	0.023	0.024	0.071	0.028	0.028	0.056	0.044	0.029
9901	Oxygen, Dissolved, % Saturation	%	84.5	86.9	64.3	101.1	85.8	92.6	94.8	101	97.3	86.2
9924	Oxygen, Dissolved as O2	mg/l	8.73	8.95	6.32	10.5	9.31	11	12	12.3	12.3	10.9

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sampling point Skell At Hell Wath Lane

Determinands

Sampling results

Samples from 22 Oct 2020 to 10 Aug 2021

Samples from 3 Jul 2019 to 13 Mar 2020

sampling point
Skell At Hell Wath Lane