sampling point
Mussel Brook At Westover

Description	MUSSEL BROOK AT WESTOVER
Sampling point ID	SW-72933607
Type	Freshwater – Rivers
Status	open
Location	easting northing: 247770 106450 lat lon: 50.8375, -4.163317
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	84 samples taken between 2024 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.

18 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 20C
Cond @ 25C
E.coli C-MF
IE Conf
IE Pres
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Type of Flow
pH

Displaying the twenty most recent samples. You can see all 84 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Sep 2023 to 1 Aug 2024

Notation	Determinand	Units	1 Sep 2023 12:14	17 Oct 2023 15:08	10 Nov 2023 13:08	5 Dec 2023 07:54	4 Jan 2024 13:21	5 Feb 2024 11:59	8 Mar 2024 12:08	5 Jun 2024 10:49	5 Jul 2024 12:23	1 Aug 2024 11:04
0061	pH		7.38	7.42	7.13	7.33	7.37	7.4	7.45	7.68	7.57	7.17
0076	Temperature of Water	°C	15	11.5	9.8	7.1	8.7	9.1	7.4	12.1	14.4	16.9
0077	Conductivity at 25 C	μs/cm	193	184	149	133	165	181	175	202	220	237
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.046	0.13	0.2	0.072	0.071	0.18	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.6	3.9	1.6	1.4	2.7	2.5	2.7	1.8	1.1	1.6
0117	Nitrate as N	mg/l	1.6	3.89	1.59	1.39	2.69	2.46	2.66	1.8	1.1	1.6
0118	Nitrite as N	mg/l	< 0.004	0.014	0.0096	0.011	0.015	0.038	0.039	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00019	0.00025	0.00032	0.00064	0.00028	0.00031	0.00077	< 0.00031	< 0.00028	< 0.00014
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	46	30	30	27	26	38	35	49	63	65
0180	Orthophosphate, reactive as P	mg/l	0.06	0.036	0.048	0.1	0.029	0.065	0.065	0.094	0.033	0.065
2348	Escherichia coli : Confirmed : MF	no/100ml	3200	510	5900	3300
3722	Enterococci: Intestinal: Presumptive: MF	cfu/0.1l	1700	380	4600	4500
3723	Enterococci: Intestinal: Confirmed: MF	cfu/0.1l	1700	380	4600	4100
9901	Oxygen, Dissolved, % Saturation	%	94.3	95.6	95.8	97.1	96.6	95.4	99.8	96.1	89.1	86.4
9924	Oxygen, Dissolved as O2	mg/l	9.48	10.4	10.8	11.7	11.2	11	12	10.3	9.08	8.35

Samples from 31 Oct 2022 to 29 Aug 2023

Notation	Determinand	Units	31 Oct 2022 09:38	15 Nov 2022 11:20	2 Dec 2022 15:30	19 Jan 2023 13:05	23 Feb 2023 11:50	21 Mar 2023 12:05	2 Jun 2023 13:34	9 Jun 2023 12:21	5 Jul 2023 15:19	29 Aug 2023 13:43
0061	pH		7.24	7.1	7.93	7.21	7.42	7.44	7.37	8.06	7.57	7.43
0076	Temperature of Water	°C	12.7	11.9	7.3	6.1	6.7	10.3	13.3	15.7	14.2	14.5
0077	Conductivity at 25 C	μs/cm	238	185	205	183	189	171	199	274	200	206
0111	Ammoniacal Nitrogen as N	mg/l		0.25	0.074	0.06	0.12	0.059	< 0.03	0.034	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.7	3.3	5.3	3.6	2.1	2.5	2.2	1.9	1.1	1.8
0117	Nitrate as N	mg/l		3.26	5.28	3.59	2.07	2.48	2.2	1.86	1.1	1.8
0118	Nitrite as N	mg/l		0.037	0.024	0.011	0.028	0.025	< 0.004	0.04	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l		0.00067	0.00094	0.00013	0.00046	0.00031	< 0.00017	0.00094	< 0.00028	< 0.00021
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	35	34	26	25	38	34	46	58	52	47
0180	Orthophosphate, reactive as P	mg/l	0.083	0.09	0.034	0.018	0.083	0.051	0.036	0.042	0.048	0.063
2348	Escherichia coli : Confirmed : MF	no/100ml	5100	31000	330		5800	620			3800	510
3722	Enterococci: Intestinal: Presumptive: MF	cfu/0.1l	760	11000	120		5400	290			3400	130
3723	Enterococci: Intestinal: Confirmed: MF	cfu/0.1l	760	11000	120		4900	290			3100	130
9901	Oxygen, Dissolved, % Saturation	%	89.6	92	97.2	95.3	96.3	98.6	87.7	91.6	90.1	93.9
9924	Oxygen, Dissolved as O2	mg/l	9.48	9.92	11.7	11.8	11.8	11	9.16	9.08	9.22	9.55

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sampling point Mussel Brook At Westover

Determinands

Sampling results

Samples from 1 Sep 2023 to 1 Aug 2024

Samples from 31 Oct 2022 to 29 Aug 2023

sampling point
Mussel Brook At Westover