sampling point
R.Wid White's Bridge

Description	R.WID WHITE'S BRIDGE
Sampling point ID	AN-WD0150
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 568865 202069 lat lon: 51.691969, 0.441751
Area	Essex Norfolk And Suffolk
Sub-Area	Essex Team Sub Area
Summary	104 samples taken between 2017 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
Metaldehyde
N Inorganic
N Oxidised
NATGRIDREF
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 104 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Oct 2014 to 12 Jan 2017

Notation	Determinand	Units	29 Oct 2014 14:03	6 Feb 2015 12:21	8 May 2015 09:57	17 Aug 2015 08:09	3 Nov 2015 12:42	9 Mar 2016 09:35	13 Jun 2016 12:41	22 Sep 2016 13:57	12 Dec 2016 09:57	12 Jan 2017 14:35
0061	pH		7.84	7.97	7.82	7.97	7.92	7.97	7.66	7.9	7.91	8.13
0076	Temperature of Water	°C	13.5	3.5	12.2	14.8	12.1	6.3	15.7	16.2	7.5	6.3
0077	Conductivity at 25 C	μs/cm	909	899	788	934	928	1056	601	1009	1020	1047
0111	Ammoniacal Nitrogen as N	mg/l	0.042	0.225	0.106	0.047	< 0.03	0.169	0.489	< 0.03	0.048	0.043
0116	Nitrogen, Total Oxidised as N	mg/l	5.09	6.38	3.12	6.21	3.27	4.67	4.93	3.68	4.94	10.2
0117	Nitrate as N	mg/l	5.03	6.31	3.05	6.18	3.26	4.63	4.81	3.67	4.9	10.1
0118	Nitrite as N	mg/l	0.0626	0.0685	0.0745	0.0273	0.0126	0.0377	0.117	0.0092	0.0401	0.0709
0119	Ammonia un-ionised as N	mg/l	0.00069	0.00238	0.00151	0.00114	< 0.00053	0.00219	0.00627	< 0.00069	0.00059	0.0006
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	179	199	172	149	182	165	135	176	179	188
0180	Orthophosphate, reactive as P	mg/l	0.29	0.187	0.249	0.685	0.468	0.131	0.249	1.02	0.705	0.477
9901	Oxygen, Dissolved, % Saturation	%	94.9	87	88.2	70.8	80.9	86	63.7	82.8	80.3	90.1
9924	Oxygen, Dissolved as O2	mg/l	9.86	11.5	9.44	7.15	8.68	10.6	6.31	8.12	9.61	11.1

Samples from 26 Jan 2007 to 22 Jul 2014

Notation	Determinand	Units	26 Jan 2007 09:20	5 Mar 2013 14:23	17 Jun 2013 14:25	5 Sep 2013 11:04	4 Oct 2013 11:22	3 Dec 2013 11:53	19 Dec 2013 13:40	3 Jan 2014 12:12	2 Apr 2014 10:38	22 Jul 2014 14:01
0061	pH		8.04	8.28	8.01	7.81	8.07	7.62		7.98	8.11	7.61
0062	Conductivity at 20 C	μs/cm	858
0076	Temperature of Water	°C	3.44	6.7	15.5	18.3	16.4	7.7		7.6	11.9	20
0077	Conductivity at 25 C	μs/cm		961	920	1123		1031		553	947	657
0085	BOD : 5 Day ATU	mg/l	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.068	0.352	0.052		0.046	0.751		0.076	< 0.03	0.11
0116	Nitrogen, Total Oxidised as N	mg/l	10.8	5.21	1.78		2.79	9.09		5.52	3.22	2.42
0117	Nitrate as N	mg/l	10.7	5.13	1.76		2.76	8.64		5.49	3.2	2.33
0118	Nitrite as N	mg/l	0.054	0.0771	0.0231		0.0261	0.448		0.0254	0.0216	0.087
0119	Ammonia un-ionised as N	mg/l	0.00077	0.00504	0.00142		0.00134	0.00487		0.00111	< 0.00063	0.00173
0162	Alkalinity to pH 4.5 as CaCO3	mg/l		204	170		133	186		158	187	143
0172	Chloride	mg/l	93.2
0180	Orthophosphate, reactive as P	mg/l	0.184	0.19	0.397		0.268	0.264		0.11	0.143	0.284
5121	Metaldehyde	μg/l							1.09
6396	Turbidity	ntu	8.7
7434	National Grid Reference : Whole : Field report								1
9901	Oxygen, Dissolved, % Saturation	%	85.7	122.6	90.7	83		72.4		91	104.4	68.1
9924	Oxygen, Dissolved as O2	mg/l	11.4	15	9.02	7.79		8.62		10.9	11.3	6.18

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sampling point R.Wid White's Bridge

Determinands

Sampling results

Samples from 29 Oct 2014 to 12 Jan 2017

Samples from 26 Jan 2007 to 22 Jul 2014

sampling point
R.Wid White's Bridge