sampling point
R.Ant Swafield Bridge

Description	R.ANT SWAFIELD BRIDGE
Sampling point ID	AN-ANT010
Type	Freshwater – Rivers
Status	open
Location	easting northing: 628600 332000 lat lon: 52.836968, 1.392559
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	178 samples taken between 2014 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.

26 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
COD as O2
Chloride Ion
Cond @ 20C
Cond @ 25C
Fe- Filt
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SiO2 Rv
Sld Sus@105C
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 178 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 27 Nov 2013 to 14 Aug 2014

Notation	Determinand	Units	27 Nov 2013 14:38	7 Jan 2014 12:41	10 Feb 2014 10:45	4 Mar 2014 13:55	2 Apr 2014 12:32	8 May 2014 12:13	20 May 2014 14:05	3 Jun 2014 13:03	21 Jul 2014 09:56	14 Aug 2014 11:40
0076	Temperature of Water	°C	8.8	8	6	8.4	10	11.9		14.3	15.6	14.4
0077	Conductivity at 25 C	μs/cm	838	769	832	825	811	790		792	787	804
0085	BOD : 5 Day ATU	mg/l	< 1	2.47	< 1	1	< 1	1.13		< 1	1.01	< 1
0092	Chemical Oxygen Demand :- {COD}	mg/l	19	45	17	16	11	< 10		16	< 10	39
0111	Ammoniacal Nitrogen as N	mg/l	0.096	0.12	0.082	0.111	0.063	0.049		0.064	0.037	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.09	4.14	5.25	5.51	5.38	5.16		4.64	4.5	4.77
0117	Nitrate as N	mg/l	5.03	4.1	5.22	5.46	5.33	5.11		4.59	4.45	4.73
0118	Nitrite as N	mg/l	0.0636	0.0432	0.0333	0.0466	0.0509	0.0467		0.053	0.0527	0.0396
0135	Solids, Suspended at 105 C	mg/l	11.2	59.1	17.9	23.7	16.1	11.1		15	8.27	7.1
0172	Chloride	mg/l	63	74.9	63.8	62.4	61.7	62		59.4	60.2	62.6
0180	Orthophosphate, reactive as P	mg/l	0.023	0.04	0.028	0.03	0.03	0.031		0.032	0.034	0.024
0182	Silica, reactive as SiO2	mg/l	12.9	9.75	11.4	11	11	10.7		12	13	13.4
7887	Chlorophyll : Acetone Extract	μg/l	1.7	5.3	5.3	6.1	7.8		7.3	4.5	1.4	2.2
9901	Oxygen, Dissolved, % Saturation	%	88.7	80.1	84.4	92.2	91.5	91.2		80.9	85.4	90.4
9924	Oxygen, Dissolved as O2	mg/l	10.3	9.46	10.5	10.8	10.3	9.82		8.26	8.47	9.21

Samples from 5 Feb 2013 to 1 Nov 2013

Notation	Determinand	Units	5 Feb 2013 12:24	20 Feb 2013 10:22	19 Mar 2013 11:54	22 Apr 2013 11:11	5 Jun 2013 13:41	5 Jul 2013 12:21	29 Jul 2013 10:55	10 Sep 2013 12:10	14 Oct 2013 13:00	1 Nov 2013 15:51
0076	Temperature of Water	°C	4.8	4.6	6.1	10.8	13.8	15.8	15.2	12.5	11.2	11.6
0077	Conductivity at 25 C	μs/cm	825	821	806	784	792	789	798	659	833	830
0085	BOD : 5 Day ATU	mg/l	< 1	1.46	1.25	< 1	1.08	1.2	< 1	2.36	1.1	1.04
0092	Chemical Oxygen Demand :- {COD}	mg/l	16	17	< 10	14	11	11	15	25	16	20
0111	Ammoniacal Nitrogen as N	mg/l	0.07	0.055	0.083	0.031	0.039	0.049	0.038	0.101	0.087	0.079
0116	Nitrogen, Total Oxidised as N	mg/l	5.8	5.92	5.48	5.59	5.1	4.96	5.22	4.2	4.1	4.8
0117	Nitrate as N	mg/l	5.76	5.89	5.45	5.55	5.06	4.89	5.16	4.13	4.06	4.74
0118	Nitrite as N	mg/l	0.0362	0.0306	0.0324	0.0358	0.0416	0.0723	0.0604	0.0664	0.0432	0.0609
0135	Solids, Suspended at 105 C	mg/l	10.6	11.1	13	5.37	13.9	11.8	10.8	25.4	26.9	10.3
0172	Chloride	mg/l	65.2	64.6	63.7	61.6	61.4	61.5	61.9	53.9	65.9	65.2
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	0.025	0.021	0.034	0.032	0.035	0.062	0.043	0.034
0182	Silica, reactive as SiO2	mg/l	12.1	11.4	10.4	8.72	11.2	11.8	12.4	9.99	12.1	12.4
7887	Chlorophyll : Acetone Extract	μg/l	2.6	2.6	7.3	16.9	8.4	3.9	4.9	4.1	5.1	3.3
9901	Oxygen, Dissolved, % Saturation	%	84.6	83.7	82.7	91.1	92.6	83.8	90.1	81	73.3	81.2
9924	Oxygen, Dissolved as O2	mg/l	10.8	10.8	10.2	10.1	9.56	8.28	9.02	8.61	8.02	8.81

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sampling point R.Ant Swafield Bridge

Determinands

Sampling results

Samples from 27 Nov 2013 to 14 Aug 2014

Samples from 5 Feb 2013 to 1 Nov 2013

sampling point
R.Ant Swafield Bridge