sampling point
Preston Brook A449 Bridge

Description	PRESTON BROOK A449 BRIDGE
Sampling point ID	MD-03342560
Type	Freshwater – Rivers
Status	open
Location	easting northing: 367070 234900 lat lon: 52.011538, -2.48119
Area	Shropshire Herefordshire Worcestershire And Gloucestershire
Sub-Area	Shropshire & Wye
Summary	87 samples taken between 2017 and 2009

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.

16 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld Sus@105C
Temp Water
TurbidityNTU
pH

Displaying the twenty most recent samples. You can see all 87 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Apr 2016 to 28 Apr 2017

Notation	Determinand	Units	4 Apr 2016 11:37	4 May 2016 12:41	6 Jul 2016 10:18	9 Aug 2016 10:26	13 Sep 2016 09:15	10 Nov 2016 13:21	18 Nov 2016 09:51	13 Feb 2017 09:51	21 Mar 2017 14:46	28 Apr 2017 12:07
0061	pH		8.13	8.25	8.24	8.05	7.94	7.83	8.01	8.06	8.25	8.22
0076	Temperature of Water	°C	9.6	10.1	12.9	12.9	14.8	7.4	6.2	5.1	7.9	8.9
0077	Conductivity at 25 C	μs/cm	651	666	739	724	761	693	766	670	679	709
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.036	0.039	0.056	< 0.03	< 0.03	< 0.03	0.031
0116	Nitrogen, Total Oxidised as N	mg/l	5.12	4.39	3.03	2.06	2.34	4.24	1.73	6.75	5.07	4.64
0117	Nitrate as N	mg/l	5.1	4.37	3.02	2.05	2.33	4.17	1.72	6.67	5.05	4.61
0118	Nitrite as N	mg/l	0.0201	0.0229	0.0124	0.0115	0.0121	0.069	0.0107	0.0774	0.025	0.0268
0119	Ammonia un-ionised as N	mg/l	< 0.00053	< 0.00055	< 0.00068	0.00081	0.00088	0.00057	< 0.00041	< 0.00038	< 0.00047	0.00052
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	250	263	295	298	304	234	302	252	254	277
0180	Orthophosphate, reactive as P	mg/l	0.074	0.062	0.232	0.349	0.98	0.331	0.289	0.046	0.092	0.132
9901	Oxygen, Dissolved, % Saturation	%	103.4	107.7	86.4	81.5	95.7	71.4	66.8	71.7	107	98
9924	Oxygen, Dissolved as O2	mg/l	11.8	12.1	9.1	8.59	9.67	8.57	8.26	9.12	12.7	11.3

Samples from 13 Apr 2015 to 3 Mar 2016

Notation	Determinand	Units	13 Apr 2015 12:05	3 Jun 2015 14:28	17 Jun 2015 10:42	28 Jul 2015 10:48	21 Aug 2015 15:58	9 Oct 2015 10:39	16 Nov 2015 13:42	27 Nov 2015 09:25	13 Jan 2016 13:12	3 Mar 2016 11:24
0061	pH		8.32	8.22	8.08	8.03	8.02	7.88	7.92	7.91	8.01	8.3
0076	Temperature of Water	°C	8.9	13.3	14.6	13.4	16.6	9.9	11.2	9.1	6.3	6
0077	Conductivity at 25 C	μs/cm	668	667	692	603	664	722	722	794	611	679
0111	Ammoniacal Nitrogen as N	mg/l	0.031	0.045	0.057	0.047	0.06	0.052	0.033	0.067	0.03	0.039
0116	Nitrogen, Total Oxidised as N	mg/l	4.12	3.27	2.8	1.45	1.12	1.05	0.91	2.07	6.98	5.82
0117	Nitrate as N	mg/l	4.09	3.24	2.77	1.43	1.1	1.04	0.897	2.03	6.97	5.79
0118	Nitrite as N	mg/l	0.0312	0.0346	0.0286	0.0158	0.0164	0.0072	0.013	0.0409	0.015	0.0272
0119	Ammonia un-ionised as N	mg/l	0.00052	0.00104	0.00145	0.0011	0.00177	0.00072	0.00055	0.00093	0.00042	0.00053
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	263	271	278	240	262	272	294	309	217	254
0180	Orthophosphate, reactive as P	mg/l	0.088	0.217	0.265	0.388	0.464	0.367	0.336	0.175	0.088	0.062
9901	Oxygen, Dissolved, % Saturation	%	108	108.4	100.1	78.7	83.9	71.7	62.7	69.5	93.7	100.8
9924	Oxygen, Dissolved as O2	mg/l	12.5	11.3	10.2	8.2	8.16	8.1	6.87	8	11.6	12.5

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sampling point Preston Brook A449 Bridge

Determinands

Sampling results

Samples from 4 Apr 2016 to 28 Apr 2017

Samples from 13 Apr 2015 to 3 Mar 2016

sampling point
Preston Brook A449 Bridge