sampling point
Chew D/S Compensation Flow

Description	CHEW D/S COMPENSATION FLOW
Sampling point ID	SW-60140350
Type	Freshwater – Rivers
Status	open
Location	easting northing: 357154 161960 lat lon: 51.355083, -2.616679
Area	Wessex
Sub-Area	West Wessex
Summary	97 samples taken between 2024 and 2011

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 97 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Jun 2023 to 12 Mar 2024

Notation	Determinand	Units	2 Jun 2023 10:13	3 Jul 2023 14:10	2 Aug 2023 14:00	1 Sep 2023 13:35	11 Oct 2023 10:48	8 Nov 2023 14:48	12 Dec 2023 12:42	4 Jan 2024 11:10	8 Feb 2024 13:33	12 Mar 2024 11:09
0061	pH		8.16	8.21	8.52	8.34	8.23	7.99	8.35	8.4	8.5	8.45
0076	Temperature of Water	°C	16.7	19	18.4	18.5	17.1	10.4	7.7	7.9	9.2	8.5
0077	Conductivity at 25 C	μs/cm	433	405	395	387	383	430	424	428	425	419
0111	Ammoniacal Nitrogen as N	mg/l	0.12	0.062	0.044	0.067	0.092	0.088	0.063	0.066	0.052	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.55	< 0.2	< 0.2	< 0.2	< 0.2	0.97	1.3	1.4	1.6	1.7
0117	Nitrate as N	mg/l	0.522	0.188	< 0.196	0.196	0.193	0.952	1.29	1.39	1.59	1.69
0118	Nitrite as N	mg/l	0.028	0.012	< 0.004	0.0045	0.0066	0.018	0.011	0.0096	0.0062	0.0076
0119	Ammonia un-ionised as N	mg/l	0.00357	0.00218	0.00148	0.00227	0.00281	0.00162	0.00097	0.00103	0.00089	< 0.00049
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	190	170	170	160	160	200	180	170	190	190
0180	Orthophosphate, reactive as P	mg/l	0.052	0.068	0.12	0.13	0.12	0.12	0.12	0.11	0.1	0.086
9901	Oxygen, Dissolved, % Saturation	%	84.8	90.9	91.3	81.7	82.5	87.1	99.2	100.2	102.1	101.7
9924	Oxygen, Dissolved as O2	mg/l	8.23	8.41	8.55	7.64	7.94	9.72	11.8	11.9	11.7	11.9

Samples from 11 Feb 2019 to 15 May 2023

Notation	Determinand	Units	11 Feb 2019 11:45	6 Apr 2022 11:35	11 May 2022 10:35	25 Nov 2022 12:36	9 Dec 2022 11:08	24 Jan 2023 11:10	13 Feb 2023 09:51	7 Mar 2023 13:01	5 Apr 2023 09:24	15 May 2023 13:27
0061	pH		8.3	8.54	8.29	7.97	8.06	8.27	8.52	8.95	8.59	8.31
0076	Temperature of Water	°C	6.2	10.7	15.5	9.2	5.5	4.5	6.6	6.7	11.3	15.7
0077	Conductivity at 25 C	μs/cm	479	440	435	437	434	431	435	426	432	440
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.054	0.13	0.19	0.24	0.18	0.038	< 0.03	0.054	0.14
0116	Nitrogen, Total Oxidised as N	mg/l	2.22	0.81	0.34	1.3	1.5	2.1	2.1	1.6	1.4	0.9
0117	Nitrate as N	mg/l	2.2	0.799	0.324	1.26	1.46	2.08	2.08	1.58	1.38	0.867
0118	Nitrite as N	mg/l	0.016	0.011	0.016	0.041	0.039	0.025	0.02	0.019	0.017	0.033
0119	Ammonia un-ionised as N	mg/l	< 0.00041	0.00104	0.00354	0.00305	0.00315	0.00219	0.00054	< 0.00043	0.00108	0.00387
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	189	170	170	180	170	170	180	190	180	190
0180	Orthophosphate, reactive as P	mg/l	0.052	0.01	0.041	0.073	0.075	0.092	0.069	0.029	0.039	0.055
9901	Oxygen, Dissolved, % Saturation	%	98.5	103.1	85.5	87.1	87.6	96.5	99.7	98.4	100.5	84.5
9924	Oxygen, Dissolved as O2	mg/l	12.2	11.4	8.51	10	11	12.5	12.2	12	11	8.37

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sampling point Chew D/S Compensation Flow

Determinands

Sampling results

Samples from 2 Jun 2023 to 12 Mar 2024

Samples from 11 Feb 2019 to 15 May 2023

sampling point
Chew D/S Compensation Flow