sampling point
Chertsey Bourne At Buckhurst Road

Description	CHERTSEY BOURNE AT BUCKHURST ROAD
Sampling point ID	TH-PBNR0057
Type	Freshwater – Rivers
Status	open
Location	easting northing: 494564 169362 lat lon: 51.415395, -0.641566
Area	West Thames
Sub-Area	L&W South Wt
Summary	49 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 49 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Jun 2016 to 24 Jun 2024

Notation	Determinand	Units	15 Jun 2016 09:52	22 Jul 2016 12:26	9 Aug 2016 12:31	20 Oct 2016 11:04	15 Nov 2016 13:09	1 Dec 2016 12:47	12 Jan 2017 11:01	3 Feb 2017 10:38	7 Mar 2017 09:32	24 Jun 2024 12:57
0061	pH		8.64	7.7	7.76	7.81	7.35	7.35	8.01	8.16	7.39	7.6
0076	Temperature of Water	°C	15.4	19.5	16.2	10.6	9.9	3.6	5.8	7.6	7.1	18.6
0077	Conductivity at 25 C	μs/cm	351	392	382	374	401	440	450	427	393	394
0085	BOD : 5 Day ATU	mg/l										< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.059	< 0.03	< 0.03	0.074	0.092	0.157	0.121	0.131	0.082	0.034
0116	Nitrogen, Total Oxidised as N	mg/l	0.49	0.53	0.51	0.62	0.61	0.63	0.94	0.69	0.66	0.32
0117	Nitrate as N	mg/l	0.475	0.526	0.506	0.608	0.606	0.623	0.929	0.682	0.652	0.316
0118	Nitrite as N	mg/l	0.0147	0.0044	< 0.004	0.0123	< 0.004	0.0068	0.0107	0.0076	0.0076	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.0016	< 0.00056	< 0.0005	0.00092	0.00038	0.0004	0.00162	0.002	0.0003	0.00047
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	60	57	53	47	47	13	52	47	54	55
0180	Orthophosphate, reactive as P	mg/l	0.015	< 0.01	< 0.01	< 0.01	0.011	< 0.01	< 0.01	0.012	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	86.7	82.9	68.6	82.1	93	90	110.4	94.2	89.8	88.1
9924	Oxygen, Dissolved as O2	mg/l	8.65	7.59	6.72	9.12	10.5	11.9	13.8	11.2	10.9	8.22

Samples from 3 Jun 2015 to 12 Apr 2016

Notation	Determinand	Units	3 Jun 2015 13:56	2 Jul 2015 10:35	5 Aug 2015 08:44	1 Sep 2015 09:19	14 Oct 2015 12:11	5 Nov 2015 10:45	25 Nov 2015 12:23	10 Feb 2016 15:41	7 Mar 2016 12:35	12 Apr 2016 09:46
0061	pH		7.65	7.54	7.11	7.49	7.59	7.59	7.35	7.95	7.49	7.96
0076	Temperature of Water	°C	14.5	19.7	15.9	14.7	9.8	11.9	7.3	7.2	5.1	9.4
0077	Conductivity at 25 C	μs/cm	378	389	388	364	410	398	408	381	410	381
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.119	0.096	0.161	0.107	0.133	0.119	0.094
0116	Nitrogen, Total Oxidised as N	mg/l	0.31	0.57	0.38	0.45	0.46	0.43	0.48	0.61	0.58	0.44
0117	Nitrate as N	mg/l	0.306	0.561	0.376	0.435	0.456	0.424	0.471	0.606	0.574	0.436
0118	Nitrite as N	mg/l	< 0.004	0.0087	< 0.004	0.0149	< 0.004	0.0059	0.0091	< 0.004	0.0063	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00034	< 0.00039	< 0.00011	0.00096	0.00068	0.00133	0.00036	0.00176	0.00047	0.0015
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	51	50	46	50	58	59	60	52	54	56
0180	Orthophosphate, reactive as P	mg/l	0.014	< 0.01	0.012	< 0.01	< 0.01	< 0.01	< 0.01	0.02	0.014	0.014
9901	Oxygen, Dissolved, % Saturation	%	77.6	84.7	75.6	85.5	88.2	76.5	87.9	84.2	116.3	97.3
9924	Oxygen, Dissolved as O2	mg/l	7.89	7.73	7.46	8.66	9.98	8.24	10.6	10.2	14.8	11.1

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sampling point Chertsey Bourne At Buckhurst Road

Determinands

Sampling results

Samples from 15 Jun 2016 to 24 Jun 2024

Samples from 3 Jun 2015 to 12 Apr 2016

sampling point
Chertsey Bourne At Buckhurst Road