sampling point
R.Granta Bourn Bridge

Description	R.GRANTA BOURN BRIDGE
Sampling point ID	AN-28M05
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 552000 249300 lat lon: 52.121114, 0.218771
Area	Cambridgeshire And Bedfordshire
Sub-Area	Ely Team Sub Area
Summary	93 samples taken between 2013 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

Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 20C
Cond @ 25C
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
O Diss% Satn
O Dissolved
Orthophospht
Oxygen Diss
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 93 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Nov 2006 to 16 Apr 2013

Notation	Determinand	Units	29 Nov 2006 11:50	12 Jan 2007 11:25	7 Feb 2007 13:10	13 Mar 2007 12:40	4 Apr 2007 09:10	9 Nov 2012 13:30	18 Dec 2012 14:16	7 Feb 2013 11:34	13 Mar 2013 10:55	16 Apr 2013 11:40
0061	pH		8.31	8.23	8.21	8.29	8.03
0062	Conductivity at 20 C	μs/cm	699	722	759
0076	Temperature of Water	°C	8.47	8.02	3.13	9.44	7.04
0077	Conductivity at 25 C	μs/cm				789	819
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	1.4	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	12.4	11.4	11.5	9.66	11.5
0117	Nitrate as N	mg/l	12.4	11.4	11.5	9.65	11.5
0118	Nitrite as N	mg/l	0.0189	0.0121	0.0059	0.0072	0.0218
0119	Ammonia un-ionised as N	mg/l	< 0.00049	< 0.00047	< 0.00033	< 0.00053	< 0.00044
0172	Chloride	mg/l	32.3	33.5	50.6	39.7	49.2
0180	Orthophosphate, reactive as P	mg/l	0.222	0.208	0.462	0.272	0.454	0.277	0.341	0.205	0.214	0.258
6396	Turbidity	ntu	10.4	11.8	4.1	1.6	1.2
9901	Oxygen, Dissolved, % Saturation	%	84.5	96	96.7	123	89.7
9924	Oxygen, Dissolved as O2	mg/l	9.87	11.3	12.9	14	10.9

Samples from 7 Feb 2006 to 7 Nov 2006

Notation	Determinand	Units	7 Feb 2006 12:25	15 Mar 2006 15:00	12 Apr 2006 12:35	18 May 2006 12:30	28 Jun 2006 13:35	13 Jul 2006 11:15	10 Aug 2006 12:00	1 Sep 2006 13:35	13 Oct 2006 11:45	7 Nov 2006 11:25
0061	pH		8.19	8.41	8.48	8.02	8.25	8.06	8.06	8.09	8.09	8.16
0062	Conductivity at 20 C	μs/cm	846	833	872	887	859	1070	1000	959	741	953
0076	Temperature of Water	°C	5.94	6.18	7.14	14.59	15.62	17.5	15.65	16.09	13.04	6.76
0085	BOD : 5 Day ATU	mg/l	1.16	1.6	1.5	2.1	< 1	< 1	< 1	< 1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.056	< 0.03	< 0.03	< 0.03	0.054	< 0.03	< 0.03	0.037	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	10.8	13.5	17.6	17.2	14.4	17.8	11.7	8.79	10.8	11.1
0117	Nitrate as N	mg/l	10.8	13.5	17.6	17.1	14.4	17.7	11.7	8.78	10.8	11.1
0118	Nitrite as N	mg/l	0.0135	0.036	0.0258	0.081	0.0387	0.0754	0.0153	0.0147	0.0295	0.0096
0119	Ammonia un-ionised as N	mg/l	< 0.00041	0.00077	< 0.00044	< 0.00076	< 0.00082	0.0017	< 0.00083	< 0.00085	0.00084	< 0.00043
0172	Chloride	mg/l	60	65.7	98.7	100	97.6	158	118	110	56	93.7
0180	Orthophosphate, reactive as P	mg/l	1.39	0.94	1.95	1.68	2.63	2.95	2.26	1.95	1.1	1.92
6396	Turbidity	ntu	1.5	1.9	1.5	2	2.9	< 1	< 1	1.8	2.41	< 1
9901	Oxygen, Dissolved, % Saturation	%	94	122.2	103.5	62.9	87.5	58.8	64.8	71.3	66.1	78.6
9924	Oxygen, Dissolved as O2	mg/l	11.7	15.1	12.5	6.38	8.68	5.6	6.42	7	6.94	9.58

Tell us whether you accept cookies

sampling point R.Granta Bourn Bridge

Determinands

Sampling results

Samples from 29 Nov 2006 to 16 Apr 2013

Samples from 7 Feb 2006 to 7 Nov 2006

sampling point
R.Granta Bourn Bridge