sampling point
Holbeck At Holbeck Bridge

Description	HOLBECK AT HOLBECK BRIDGE
Sampling point ID	NE-49600474
Type	Freshwater – Rivers
Status	open
Location	easting northing: 466925 477345 lat lon: 54.187505, -0.975905
Area	Yorkshire
Sub-Area	Esk, Derwent, Hull
Summary	78 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.

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 78 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Mar 2021 to 10 Dec 2021

Notation	Determinand	Units	2 Mar 2021 11:14	29 Apr 2021 14:12	6 May 2021 09:24	23 Jun 2021 10:18	7 Jul 2021 11:53	16 Aug 2021 11:06	14 Sep 2021 10:03	7 Oct 2021 09:30	15 Nov 2021 10:47	10 Dec 2021 16:19
0061	pH		8.21	8.79	8.44	8.27	8.19	8.21	8.28	8.13	8.2	7.95
0076	Temperature of Water	°C	5.5	7.8	6.2	11.8	15.5	13.7	13.3	12.5	9.6	5.5
0077	Conductivity at 25 C	μs/cm	626	626	624	647	591	635	683	606	696	662
0111	Ammoniacal Nitrogen as N	mg/l	0.043	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.055
0116	Nitrogen, Total Oxidised as N	mg/l	5	4.8	4.9	5.3	4.2	3.9	4.1	4.5	3	3.4
0117	Nitrate as N	mg/l	4.98	4.78	4.88	5.28	4.17	3.89	4.1	4.48	2.99	3.38
0118	Nitrite as N	mg/l	0.025	0.02	0.025	0.023	0.031	0.0054	0.005	0.017	0.0075	0.022
0119	Ammonia un-ionised as N	mg/l	0.00056	< 0.00047	< 0.00041	< 0.00062	< 0.00082	< 0.00072	< 0.0007	< 0.00066	< 0.00053	0.00064
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	210	200	200	220	190	210	220	190	250	210
0180	Orthophosphate, reactive as P	mg/l	0.053	0.026	0.027	0.15	0.11	0.16	0.19	0.11	0.12	0.071
9901	Oxygen, Dissolved, % Saturation	%	94.3	96.7	93.7	101.8	96.4	94.4	91.3	95.9	96.2	98.3
9924	Oxygen, Dissolved as O2	mg/l	11.9	11.5	11.6	11	9.59	9.77	9.53	10.2	10.9	12.4

Samples from 11 Jun 2018 to 4 Feb 2021

Notation	Determinand	Units	11 Jun 2018 11:35	9 Aug 2018 14:32	12 Sep 2018 13:47	2 Oct 2018 11:23	11 Dec 2018 12:50	8 Oct 2020 11:04	11 Nov 2020 08:48	8 Dec 2020 09:47	7 Jan 2021 10:47	4 Feb 2021 11:25
0061	pH		8.12	8.26	8.18	8.15	8.03	8	8.37	7.95	8.06	8.12
0076	Temperature of Water	°C	13.7	14.7	13	10.8	5.9	10.6	9.3	5.5	3.6	5.2
0077	Conductivity at 25 C	μs/cm	644	641	641	652	675	587	877	689	647	530
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.053	0.11	< 0.03	0.049	0.061	0.064
0116	Nitrogen, Total Oxidised as N	mg/l	5.1	4.73	4.36	4.24	5.18	3	3.4	3.7	4	3.8
0117	Nitrate as N	mg/l	5.07	4.72	4.36	4.24	5.16	2.97	3.39	3.68	3.98	3.78
0118	Nitrite as N	mg/l	0.0263	0.0071	< 0.004	< 0.004	0.0211	0.028	0.012	0.018	0.019	0.017
0119	Ammonia un-ionised as N	mg/l	< 0.00072	< 0.00077	< 0.00068	< 0.00058	0.00072	0.0021	< 0.00052	0.00057	0.0007	0.00082
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	224	202	208	216	223	190	250	230	210	160
0180	Orthophosphate, reactive as P	mg/l	0.113	0.21	0.199	0.177	0.075	0.16	0.094	0.071	0.052	0.031
9901	Oxygen, Dissolved, % Saturation	%	96.3	97.4	102.2	94.8	97.2	87	98.6	97.4	87.3	97.1
9924	Oxygen, Dissolved as O2	mg/l	9.97	9.86	10.7	10.5	12.1	9.66	11.3	12.3	11.5	12.3

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sampling point Holbeck At Holbeck Bridge

Determinands

Sampling results

Samples from 2 Mar 2021 to 10 Dec 2021

Samples from 11 Jun 2018 to 4 Feb 2021

sampling point
Holbeck At Holbeck Bridge