sampling point
Somer Chilcompton

Description	SOMER CHILCOMPTON
Sampling point ID	SW-A3240101
Type	Freshwater – Rivers
Status	open
Location	easting northing: 364825 152343 lat lon: 51.269141, -2.505571
Area	Wessex
Sub-Area	West Wessex
Summary	100 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.

13 determinands have been measured at this site

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

Samples from 19 Oct 2023 to 20 Jun 2024

Notation	Determinand	Units	19 Oct 2023 10:32	16 Nov 2023 10:28	23 Nov 2023 13:55	6 Dec 2023 09:25	15 Jan 2024 10:49	22 Feb 2024 13:03	20 Mar 2024 13:21	24 Apr 2024 09:34	13 May 2024 10:58	20 Jun 2024 13:58
0061	pH		8.16	8.22	8.32	8.13	8.32	8.2	8.29	8.39	8.46	8.19
0076	Temperature of Water	°C	13.2	9.9	11.1	7.7	7.8	9.6	12.1	9.8	12.3	14.3
0077	Conductivity at 25 C	μs/cm	512	529	612	595	612	469	591	608	609	619
0085	BOD : 5 Day ATU	mg/l						2	< 1	< 1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.041	< 0.03	< 0.03	0.03	0.083	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.9	4.1	5.3	4.7	6	3.6	5	5.6	5.5	6.2
0117	Nitrate as N	mg/l	4.89	4.08	5.29	4.69	5.99	3.59	4.99	5.6	5.5	6.19
0118	Nitrite as N	mg/l	0.012	0.02	0.014	0.0098	0.01	0.015	0.011	< 0.004	< 0.004	0.0054
0119	Ammonia un-ionised as N	mg/l	< 0.00069	0.00074	< 0.00059	< 0.00046	0.00047	0.00147	< 0.00064	< 0.00054	< 0.00065	< 0.00075
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	220	240	270	260	260	200	260	270	270	270
0180	Orthophosphate, reactive as P	mg/l	0.14	0.1	0.071	0.087	0.072	0.11	0.064	0.042	0.033	0.043
9901	Oxygen, Dissolved, % Saturation	%	99.4	99.6	98.7	102	100.3	100.4	98.8	102.8	101.9	100.9
9924	Oxygen, Dissolved as O2	mg/l	10.4	11.2	10.8	12.2	11.9	11.4	10.6	11.6	10.9	10.3

Samples from 1 Nov 2022 to 6 Sep 2023

Notation	Determinand	Units	1 Nov 2022 11:47	2 Dec 2022 10:30	25 Jan 2023 10:24	13 Feb 2023 09:56	3 Mar 2023 10:07	17 May 2023 10:00	22 Jun 2023 13:05	27 Jul 2023 13:14	2 Aug 2023 11:22	6 Sep 2023 11:00
0061	pH		7.88	8.05	8.23	8.26	8.35	8.3	8.17	8.24	8.16	7.87
0076	Temperature of Water	°C	11.7	8	6.5	8.7	7.6	10.5	14.7	15.2	13.7	14.2
0077	Conductivity at 25 C	μs/cm	558	637	613	620	625	629	642	577	593	651
0085	BOD : 5 Day ATU	mg/l							< 1
0111	Ammoniacal Nitrogen as N	mg/l		< 0.03	0.031	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	7.1	6.7	6.4	6	5.7	5.9	6.3	5.5	5.2	6.6
0117	Nitrate as N	mg/l		6.7	6.4	6	5.7	5.9	6.29	5.49	5.19	6.6
0118	Nitrite as N	mg/l		< 0.004	< 0.004	< 0.004	< 0.004	0.004	0.0074	0.0079	0.0073	0.0048
0119	Ammonia un-ionised as N	mg/l		< 0.00047	0.00044	< 0.0005	< 0.00046	< 0.00057	< 0.00077	< 0.0008	< 0.00072	< 0.00055
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	210	270	260	270	290	270	270	230	250	280
0180	Orthophosphate, reactive as P	mg/l		0.07	0.058	0.037	0.043	0.038	0.038	0.098	0.097	0.045
9901	Oxygen, Dissolved, % Saturation	%	105.8	97.4	98.6	99.8	100.4	101.9	99.8	100.7	100.4	108.5
9924	Oxygen, Dissolved as O2	mg/l	11.5	11.5	12.1	11.6	12	11.3	10.1	10.1	10.4	11.1

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sampling point Somer Chilcompton

Determinands

Sampling results

Samples from 19 Oct 2023 to 20 Jun 2024

Samples from 1 Nov 2022 to 6 Sep 2023

sampling point
Somer Chilcompton