sampling point
Walden Beck At Burton Bridge

Description	WALDEN BECK AT BURTON BRIDGE
Sampling point ID	NE-49105194
Type	Freshwater – Rivers
Status	open
Location	easting northing: 401860 487068 lat lon: 54.279235, -1.972928
Area	Yorkshire
Sub-Area	Swale, Ure, Nidd, Ouse
Summary	75 samples taken between 2024 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 75 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 24 Oct 2023 to 19 Jun 2024

Notation	Determinand	Units	24 Oct 2023 12:35	20 Nov 2023 10:01	30 Nov 2023 11:40	14 Dec 2023 08:52	16 Jan 2024 08:56	19 Feb 2024 08:37	18 Mar 2024 10:06	15 Apr 2024 08:31	14 May 2024 08:27	19 Jun 2024 08:57
0061	pH		8.36	8.17	8.44	8.18	8.24	8.22	8.28	8.06	8.28	8.81
0076	Temperature of Water	°C	9.7	8.6	3.6	5.3	5.2	7.5	7.6	6.9	13.3	10.9
0077	Conductivity at 25 C	μs/cm	245	153	238	188	253	182	169	93	190	647
0085	BOD : 5 Day ATU	mg/l						1.4	1.3	2.2	1.1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.73	0.47	0.63	0.78	0.65	0.57	0.47	0.27	0.22	0.21
0117	Nitrate as N	mg/l	0.726	0.466	0.626	0.776	0.646	0.566	0.466	0.266	0.216	0.206
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00054	< 0.00049	< 0.00034	< 0.00039	< 0.00038	< 0.00046	< 0.00046	< 0.00044	< 0.0007	< 0.00058
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	110	69	110	87	110	83	79	43	86	110
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	0.011	< 0.01	< 0.01	0.01	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	104.8	106.2	103.4	100.9	106.2	101.7	102.7	103.8	102.5	103.5
9924	Oxygen, Dissolved as O2	mg/l	11.9	12.4	13.7	12.8	13.5	12.2	12.3	12.6	10.7	11.4

Samples from 13 Nov 2019 to 5 Sep 2023

Notation	Determinand	Units	13 Nov 2019 08:32	6 Dec 2019 08:22	13 Jan 2020 08:24	11 Feb 2020 09:00	3 Mar 2020 09:42	21 Apr 2023 10:05	30 May 2023 10:08	17 Jul 2023 08:16	15 Aug 2023 08:46	5 Sep 2023 08:26
0061	pH		8.26	7.79	8.14	8.18	8.19	8.59	8.37	8.38	8.1	8.12
0076	Temperature of Water	°C	4.5	8.5	5	3.8	4	8.1	11.1	11.8	12.6	13.7
0077	Conductivity at 25 C	μs/cm	201	111	201	204	198	264	323	155	146	284
0085	BOD : 5 Day ATU	mg/l							1.2		1.5
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.52	0.43	0.74	0.8	0.53	0.37	0.37	0.28	0.28	0.25
0117	Nitrate as N	mg/l	0.516	0.426	0.736	0.796	0.526	0.366	0.366	0.276	0.276	0.246
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00037	< 0.0003	< 0.00038	< 0.00035	< 0.00035	< 0.00048	< 0.00059	< 0.00062	< 0.00066	< 0.00072
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	93	52	87	83	84	130	150	67	73	130
0180	Orthophosphate, reactive as P	mg/l	0.017	< 0.01	< 0.01	0.013	< 0.01	< 0.01	< 0.01	< 0.01	0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	94.8	104	102.2	96.7	93.3	109.3	104.5	107.7	104.9	102.4
9924	Oxygen, Dissolved as O2	mg/l	12.2	12.1	13	12.7	12.2	12.9	11.5	11.6	11.1	10.6

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sampling point Walden Beck At Burton Bridge

Determinands

Sampling results

Samples from 24 Oct 2023 to 19 Jun 2024

Samples from 13 Nov 2019 to 5 Sep 2023

sampling point
Walden Beck At Burton Bridge