sampling point
Bourne ( North ) At Thorpegreen Bridge

Description	BOURNE ( NORTH ) AT THORPEGREEN BRIDGE
Sampling point ID	TH-PBNR0003
Type	Freshwater – Rivers
Status	open
Location	easting northing: 501500 168030 lat lon: 51.402224, -0.542242
Area	West Thames
Sub-Area	L&W South Wt
Summary	179 samples taken between 2024 and 2000

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.

21 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
AmoniaTotYSI
BOD ATU
Chloride Ion
Cond @ 20C
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SI-GQA
Sld Sus@105C
Temp Water
Type of Flow
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 179 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 14 Aug 2023 to 31 Jul 2024

Notation	Determinand	Units	14 Aug 2023 11:55	25 Sep 2023 12:04	18 Oct 2023 09:33	7 Nov 2023 12:24	6 Dec 2023 13:23	24 Jan 2024 11:06	12 Feb 2024 09:45	5 Mar 2024 09:47	24 Jun 2024 13:52	31 Jul 2024 13:09
0061	pH		7.16	8.38	7.26	7.25	7.37	7.54	7.62	7.5	7.25	7.24
0076	Temperature of Water	°C	17.2	16.2	11.9	10.1	5.9	6.8	7	7.2	17.1	18.8
0077	Conductivity at 25 C	μs/cm	400	394	401	382	382	398	372	352	412	418
0085	BOD : 5 Day ATU	mg/l	< 3	< 2	1.2	1.2	1.6	1.9	1.8	1.4	< 1	< 5
0111	Ammoniacal Nitrogen as N	mg/l	0.098	0.1	0.14	0.1	0.09	0.12	0.11	0.091	0.12	0.12
0116	Nitrogen, Total Oxidised as N	mg/l	0.38	0.29	0.27	0.47	0.69	1.1	0.97	0.86	0.39	0.48
0117	Nitrate as N	mg/l	0.368	0.286	0.266	0.452	0.652	1.09	0.961	0.849	0.375	0.47
0118	Nitrite as N	mg/l	0.012	< 0.004	< 0.004	0.018	0.038	0.007	0.0092	0.011	0.015	0.01
0119	Ammonia un-ionised as N	mg/l	0.00045	0.00287	0.00054	0.00033	0.00029	0.00061	0.00068	0.00043	0.00067	0.00074
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	54	57	51	53	55	57	56	57	54	57
0180	Orthophosphate, reactive as P	mg/l	0.036	0.049	0.029	0.034	0.039	0.053	0.043	0.055	0.059	0.069
9901	Oxygen, Dissolved, % Saturation	%	81.8	88.3	87	92.6	95.1	96.5	94.8	96	83.4	82.4
9924	Oxygen, Dissolved as O2	mg/l	7.85	8.66	9.38	10.4	11.9	11.8	11.5	11.6	8.02	7.66

Samples from 9 Feb 2016 to 6 Mar 2017

Notation	Determinand	Units	9 Feb 2016 12:32	8 Apr 2016 09:58	26 May 2016 13:53	15 Jun 2016 11:21	9 Aug 2016 13:23	22 Sep 2016 10:21	20 Oct 2016 12:23	18 Nov 2016 12:11	12 Jan 2017 11:48	6 Mar 2017 14:03
0061	pH		7.81	8.09	7.17	7.62	7.11	7.46	7.79	7.79	7.73	8.02
0076	Temperature of Water	°C	6.9	9.1	13.7	16.4	15.8	15.8	11.3	7.9	5.2	7.4
0077	Conductivity at 25 C	μs/cm	365	385	405	376	407	411	372	383	398	405
0111	Ammoniacal Nitrogen as N	mg/l	0.071	0.11	0.159	0.079	0.126	0.159	0.078	0.117	0.136	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.21	0.77	0.55	0.45	0.49	1.08	0.3	0.41	0.8	0.71
0117	Nitrate as N	mg/l	1.21	0.765	0.527	0.438	0.474	1.02	0.296	0.4	0.796	0.706
0118	Nitrite as N	mg/l	< 0.004	0.005	0.0226	0.0125	0.0162	0.0623	< 0.004	0.0096	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00067	0.00188	0.00057	0.00097	0.00046	0.0013	0.00097	0.00113	0.00094	< 0.00045
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	55	54	53	54	52	59	53	51	46	50
0180	Orthophosphate, reactive as P	mg/l	0.04	0.032	0.06	0.047	0.039	0.058	0.04	0.034	0.033	0.021
9901	Oxygen, Dissolved, % Saturation	%	97.3	92.6	70.8	87.1	66.7	84.8	88.3	87.4	94.2	99.1
9924	Oxygen, Dissolved as O2	mg/l	11.8	10.7	7.33	8.5	6.59	8.38	9.65	10.4	12	11.9

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sampling point Bourne ( North ) At Thorpegreen Bridge

Determinands

Sampling results

Samples from 14 Aug 2023 to 31 Jul 2024

Samples from 9 Feb 2016 to 6 Mar 2017

sampling point
Bourne ( North ) At Thorpegreen Bridge