sampling point
Old Rail Br.Alderford

Description	OLD RAIL BR.ALDERFORD
Sampling point ID	AN-WEN223
Type	Freshwater – Rivers
Status	open
Location	easting northing: 612200 317800 lat lon: 52.716214, 1.140291
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	65 samples taken between 2020 and 2007

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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
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 65 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Jun 2017 to 7 Feb 2020

Notation	Determinand	Units	7 Jun 2017 13:30	11 Sep 2017 14:02	17 Jan 2018 11:56	16 Apr 2018 12:58	16 Jul 2018 12:51	1 Oct 2018 10:18	7 Feb 2019 11:14	7 May 2019 10:23	12 Sep 2019 12:10	7 Feb 2020 11:04
0061	pH		7.68	8.33	8.03	8.12	8.16	8.14	8.05	8.23	8.07	8.16
0076	Temperature of Water	°C	14.7	13.9	4	11.7	20.3	9.2	6	8.6	13.5	3.9
0077	Conductivity at 25 C	μs/cm	736	786	720	738	764	778	779	706	709	765
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.073	0.03	< 0.03	< 0.03	0.063	0.04	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.5	5.13	7.27	6.42	5.94	5.48	5.6	4.68	4.8	5.7
0117	Nitrate as N	mg/l	4.48	5.12	7.23	6.39	5.92	5.45	5.57	4.66	4.79	5.68
0118	Nitrite as N	mg/l	0.0233	0.0112	0.0395	0.0324	0.0163	0.0314	0.0297	0.0172	0.0067	0.019
0119	Ammonia un-ionised as N	mg/l	< 0.00037	< 0.00073	0.00086	0.00062	< 0.00116	< 0.00052	0.00086	0.00066	< 0.00071	< 0.00035
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	243	248	259	262	246	238	223	219	230	250
0180	Orthophosphate, reactive as P	mg/l	0.088	0.059	0.069	0.044	0.056	0.044	0.025	0.035	0.043	0.022
9901	Oxygen, Dissolved, % Saturation	%	102.4	99.2	101.5	100.7	106.1	92.1	95.6	96.9	93.2	95.4
9924	Oxygen, Dissolved as O2	mg/l	10.4	10.2	13.3	10.9	9.57	10.6	11.9	11.3	9.69	12.5

Samples from 26 Nov 2014 to 8 Mar 2017

Notation	Determinand	Units	26 Nov 2014 14:42	6 Jan 2015 11:46	1 Apr 2015 09:26	1 Jul 2015 09:50	1 Oct 2015 09:31	8 Feb 2016 15:20	11 May 2016 10:40	9 Aug 2016 12:38	11 Nov 2016 14:51	8 Mar 2017 09:38
0061	pH		7.81	7.92	7.98	8	8.09	8.23	7.83	8.2	7.95	7.95
0076	Temperature of Water	°C	8.4	6.6	4.8	15.7	10.1	7.2	16.5	13.4	7.2	8.3
0077	Conductivity at 25 C	μs/cm	730	774	732	727	772	766	731	743	769	727
0111	Ammoniacal Nitrogen as N	mg/l	0.063	0.051	< 0.03	0.033	< 0.03	0.03	0.041	0.04	0.039	0.075
0116	Nitrogen, Total Oxidised as N	mg/l	4.5	5.88	5.07	5.49	5.13	6.79	4.22	6.06	4.6	5.39
0117	Nitrate as N	mg/l	4.47	5.85	5.05	5.46	5.12	6.77	4.19	6.04	4.58	5.36
0118	Nitrite as N	mg/l	0.0336	0.035	0.0187	0.026	0.0089	0.0222	0.03	0.0242	0.0239	0.0294
0119	Ammonia un-ionised as N	mg/l	0.00066	0.0006	< 0.00036	0.00091	< 0.00055	0.00045	0.00082	0.00094	0.00052	0.00108
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	213	244	234	218	240	266	228	237	241	245
0180	Orthophosphate, reactive as P	mg/l	0.04	0.037	0.018	0.052	0.041	0.058	0.039	0.069	0.028	0.025
9901	Oxygen, Dissolved, % Saturation	%	90	92.6	100.2	82.1	83	99.1	91.4	86.6	81.7	90.2
9924	Oxygen, Dissolved as O2	mg/l	10.5	11.3	12.8	8.13	9.33	12	8.9	9.02	9.85	10.6

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sampling point Old Rail Br.Alderford

Determinands

Sampling results

Samples from 7 Jun 2017 to 7 Feb 2020

Samples from 26 Nov 2014 to 8 Mar 2017

sampling point
Old Rail Br.Alderford