sampling point
Ruston Beck U/S Derwent Confluence

Description	RUSTON BECK U/S DERWENT CONFLUENCE
Sampling point ID	NE-49600464
Type	Freshwater – Rivers
Status	open
Location	easting northing: 495335 479489 lat lon: 54.202281, -0.539994
Area	Yorkshire
Sub-Area	Esk, Derwent, Hull
Summary	60 samples taken between 2020 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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
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 60 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Jun 2019 to 17 Mar 2020

Notation	Determinand	Units	25 Jun 2019 14:16	15 Jul 2019 13:21	6 Aug 2019 11:40	15 Oct 2019 11:57	25 Oct 2019 13:04	27 Nov 2019 14:00	12 Dec 2019 12:05	17 Jan 2020 11:08	14 Feb 2020 11:23	17 Mar 2020 11:53
0061	pH		7.69	8.12	8.02	7.72	7.88	7.27	7.47	7.68	7.67	7.61
0076	Temperature of Water	°C	14.6	16.3	17.5	10.6	9.1	9.5	6.2	7.6	6.1	8.3
0077	Conductivity at 25 C	μs/cm	591	788	747	526	667	854	892	746	740	712
0111	Ammoniacal Nitrogen as N	mg/l	0.099	0.038	< 0.03	0.038	< 0.03	0.15	0.15	0.11	0.21	0.12
0116	Nitrogen, Total Oxidised as N	mg/l	5.14	6	6.3	2.6	3.5	4	3.6	6	6.7	6.6
0117	Nitrate as N	mg/l	5.07	5.97	6.28	2.57	3.48	3.96	3.57	5.96	6.66	6.56
0118	Nitrite as N	mg/l	0.0709	0.028	0.023	0.028	0.023	0.038	0.028	0.037	0.042	0.041
0119	Ammonia un-ionised as N	mg/l	0.00125	0.0011	< 0.00094	0.00038	< 0.00039	0.0005	0.00062	0.00081	0.00136	0.00079
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	149	200	190	200	250	240	260	220	190	200
0180	Orthophosphate, reactive as P	mg/l	0.034	0.027	0.053	0.033	< 0.01	< 0.01	< 0.01	0.024	< 0.01	0.026
9901	Oxygen, Dissolved, % Saturation	%	76.3	98.2	85.9	72.3	82.4	90.2	78.4	80.8	78.6	90.9
9924	Oxygen, Dissolved as O2	mg/l	7.74	9.61	8.19	8.03	9.49	10.3	9.7	9.65	9.75	10.7

Samples from 2 Jun 2016 to 8 May 2019

Notation	Determinand	Units	2 Jun 2016 14:06	29 Sep 2016 13:01	8 Nov 2016 11:56	22 Nov 2016 14:25	28 Nov 2016 10:48	13 Jan 2017 14:11	16 Mar 2017 14:46	31 Mar 2017 11:08	8 Apr 2019 13:37	8 May 2019 13:39
0061	pH		8.11	8.12	8	7.53	7.95	8.1	8.1	8.11	7.87	7.8
0076	Temperature of Water	°C	10.5	13.9	5.8	7.9	6.7	2.9	9.2	11.3	9.6	9.5
0077	Conductivity at 25 C	μs/cm	671	685	678	563	369	694	674	668	809	772
0111	Ammoniacal Nitrogen as N	mg/l	0.033	< 0.03	< 0.03	0.037	< 0.03	< 0.03	< 0.03	< 0.03	0.103	0.147
0116	Nitrogen, Total Oxidised as N	mg/l	3.86	3.2	2.15	3.77	3.44	3.2	3.83	3.38	6.09	6.56
0117	Nitrate as N	mg/l	3.84	3.18	2.14	3.75	3.42	3.18	3.82	3.36	6.02	6.49
0118	Nitrite as N	mg/l	0.0211	0.0212	0.0054	0.0216	0.0191	0.0199	0.0111	0.0153	0.0708	0.0748
0119	Ammonia un-ionised as N	mg/l	0.00062	< 0.00073	< 0.0004	0.0002	< 0.00038	< 0.00032	< 0.00052	< 0.0006	0.00136	0.00164
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	232	241	252	167	259	244	229	244	209	203
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.012	< 0.01	0.024	< 0.01	< 0.01	< 0.01	< 0.01	0.028	0.07
9901	Oxygen, Dissolved, % Saturation	%	97.8	85.6	81	65.8	82.3	97.4	107.2	93.5	105.1	87.7
9924	Oxygen, Dissolved as O2	mg/l	10.9	8.82	10.1	7.8	10.1	13.1	12.3	10.2	12	10

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sampling point Ruston Beck U/S Derwent Confluence

Determinands

Sampling results

Samples from 25 Jun 2019 to 17 Mar 2020

Samples from 2 Jun 2016 to 8 May 2019

sampling point
Ruston Beck U/S Derwent Confluence