sampling point
R.Stour Liston Weir

Description	R.STOUR LISTON WEIR
Sampling point ID	AN-ST08
Type	Freshwater – Rivers
Status	open
Location	easting northing: 585660 244992 lat lon: 52.072158, 0.707539
Area	Essex Norfolk And Suffolk
Sub-Area	Norfolk & Suffolk Team Sub Area
Summary	161 samples taken between 2024 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.

19 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
Orthophospht
Oxygen Diss
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 161 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Jun 2023 to 5 Mar 2024

Notation	Determinand	Units	5 Jun 2023 11:29	14 Jul 2023 08:45	11 Aug 2023 11:51	22 Sep 2023 10:12	19 Oct 2023 14:16	6 Nov 2023 12:27	6 Dec 2023 12:41	4 Jan 2024 12:05	2 Feb 2024 12:03	5 Mar 2024 13:47
0061	pH		7.88	7.98	7.85	8.02	7.83	8.03	8.04	8.13	8.11	8.17
0076	Temperature of Water	°C	14.4	17.1	17.1	14.8	13.6	10.3	5.4	7.7	7.4	7.5
0077	Conductivity at 25 C	μs/cm	996	907	869	1020	735	721	740	615	901	777
0085	BOD : 5 Day ATU	mg/l	1.2	< 1	< 1	1	1.6	1	1.5	1.2	1.4	4
0111	Ammoniacal Nitrogen as N	mg/l	0.041	0.039	0.037	0.12	0.1	0.056	< 0.03	< 0.03	0.057	0.067
0116	Nitrogen, Total Oxidised as N	mg/l	6.3	5.3	5.4	5.7	10	8.8	9.6	7.2	8.2	6.7
0117	Nitrate as N	mg/l	6.27	5.28	5.37	5.67	9.95	8.76	9.58	7.18	8.17	6.68
0118	Nitrite as N	mg/l	0.033	0.02	0.032	0.032	0.049	0.042	0.021	0.02	0.035	0.019
0119	Ammonia un-ionised as N	mg/l	0.00079	0.00114	0.00081	0.00311	0.00162	0.00104	< 0.00039	< 0.00046	0.00086	0.00102
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	300	260	250	230	230	270	270	230	290	300
0180	Orthophosphate, reactive as P	mg/l	0.087	0.2	0.24	0.22	0.14	0.08	0.081	0.089	0.16	0.076
9901	Oxygen, Dissolved, % Saturation	%	83.2	77.6	85.1	85.5	87.4	89.1	93.4	92.2	92.6	98.2
9924	Oxygen, Dissolved as O2	mg/l	8.48	7.46	8.19	8.64	9.06	9.97	11.8	11	11.1	11.8

Samples from 3 Jun 2015 to 11 May 2023

Notation	Determinand	Units	3 Jun 2015 14:06	8 Sep 2015 08:11	9 Dec 2015 11:02	20 Jan 2016 11:41	13 Apr 2016 11:08	13 Jul 2016 11:18	3 Oct 2016 12:33	21 Feb 2017 13:42	28 Apr 2023 13:45	11 May 2023 11:27
0061	pH		8.03	7.81	7.97	8.08	8.14	7.98	7.88	8.16	8.27	8.19
0076	Temperature of Water	°C	13.8	12.9	8.7	3.7	9.5	15.6	12.3	9.6	11.6	14
0077	Conductivity at 25 C	μs/cm	1001	856	869	879	784	927	963	932	810	718
0085	BOD : 5 Day ATU	mg/l									1.9	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.081	0.102	0.049	0.081	0.19	0.079	0.197	0.041	< 0.03	0.056
0116	Nitrogen, Total Oxidised as N	mg/l	5.92	5.65	7.79	8.19	11.1	4.84	5.58	10.5	8.9	6.9
0117	Nitrate as N	mg/l	5.88	5.61	7.76	8.16	11	4.8	5.52	10.5	8.88	6.86
0118	Nitrite as N	mg/l	0.0426	0.0375	0.0271	0.0273	0.11	0.0362	0.0554	0.0251	0.02	0.038
0119	Ammonia un-ionised as N	mg/l	0.00195	0.0015	0.00076	0.00093	0.00334	0.00207	0.00324	0.00073	< 0.00062	0.00137
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	283	272	298	297	251	306	297	272	250	290
0180	Orthophosphate, reactive as P	mg/l	0.397	0.444	0.264	0.174	0.143	0.31	0.497	0.18	0.05	0.1
9901	Oxygen, Dissolved, % Saturation	%	99.4	73.9	84.4	95.6	90.6	79.3	85.8	102.8	106	93.5
9924	Oxygen, Dissolved as O2	mg/l	10.3	7.79	9.81	12.6	10.3	7.87	9.16	11.7	11.5	9.61

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sampling point R.Stour Liston Weir

Determinands

Sampling results

Samples from 5 Jun 2023 to 5 Mar 2024

Samples from 3 Jun 2015 to 11 May 2023

sampling point
R.Stour Liston Weir