sampling point
Mells Benter Mill

Description	MELLS BENTER MILL
Sampling point ID	SW-A2270401
Type	Freshwater – Rivers
Status	open
Location	easting northing: 364430 149370 lat lon: 51.242385, -2.510936
Area	Wessex
Sub-Area	West Wessex
Summary	131 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.

26 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 131 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Sep 2023 to 13 May 2024

Notation	Determinand	Units	6 Sep 2023 11:25	19 Oct 2023 10:15	16 Nov 2023 10:11	23 Nov 2023 14:13	11 Dec 2023 11:13	15 Jan 2024 11:05	28 Feb 2024 10:41	18 Mar 2024 13:16	19 Apr 2024 10:15	13 May 2024 11:22
0061	pH		7.99	7.96	7.94	8.11	7.95	8.1	8.02	8.09	8.32	8.4
0076	Temperature of Water	°C	14.1	12	9.6	10.6	10.1	8.4	9.2	10.8	10.7	12.7
0077	Conductivity at 25 C	μs/cm	600	547	546	594	572	561	546	545	580	576
0085	BOD : 5 Day ATU	mg/l							1.2	< 1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.089	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.8	3.5	3.8	4	3.9	3.7	3.4	3.3	3.4	3.3
0117	Nitrate as N	mg/l	3.8	3.5	3.79	4	3.9	3.7	3.4	3.3	3.4	3.3
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0083	< 0.004	0.0041	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00072	< 0.00058	0.00138	< 0.00057	< 0.00049	< 0.00049	< 0.00052	< 0.00058	< 0.00058	< 0.00067
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	280	240	260	270	260	270	260	250	280	270
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.014	0.018	0.012	0.016	0.019	0.016	0.013	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	100.5	97.6	97.3	97.9	99.1	91.2	99	101	100.1	99.3
9924	Oxygen, Dissolved as O2	mg/l	10.3	10.5	11.1	10.9	11.1	10.7	11.4	11.2	11.1	10.5

Samples from 5 Jan 2021 to 7 Aug 2023

Notation	Determinand	Units	5 Jan 2021 10:42	10 Feb 2021 10:55	10 Mar 2021 11:09	20 Apr 2021 11:11	6 May 2021 15:28	17 Jun 2021 11:35	23 May 2023 10:20	22 Jun 2023 12:49	17 Jul 2023 11:53	7 Aug 2023 14:48
0061	pH		8.2	7.56	8.11	8.29	8.22	8.14	8.24	8.17	8.11	8
0076	Temperature of Water	°C	8.2	6.9	8.6	10.3	11.2	14.3	12	15.5	13.2	13.3
0077	Conductivity at 25 C	μs/cm	595	628	532	591	595	598	592	603	588	570
0085	BOD : 5 Day ATU	mg/l								1.1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.037	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.4	4.1	3.4	3.8	3.8	3.6	3.9	3.8	3.6	3.8
0117	Nitrate as N	mg/l	4.4	4.1	3.4	3.8	3.8	3.6	3.9	3.8	3.6	3.8
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0045	< 0.004	< 0.004	0.0045	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00048	< 0.00016	< 0.00049	< 0.00056	< 0.0006	< 0.00075	< 0.00063	< 0.00082	0.00085	< 0.0007
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	280	260	250	260	270	270	270	270	260	270
0180	Orthophosphate, reactive as P	mg/l	0.013	0.013	0.02	< 0.01	0.015	0.014	< 0.01	< 0.01	0.011	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	91.8	95.6	96.6	103.9	109.5	97.9	98.8	100.4	98.9	100.4
9924	Oxygen, Dissolved as O2	mg/l	10.8	11.6	11.3	11.6	12	10	10.6	9.99	10.3	10.5

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sampling point Mells Benter Mill

Determinands

Sampling results

Samples from 6 Sep 2023 to 13 May 2024

Samples from 5 Jan 2021 to 7 Aug 2023

sampling point
Mells Benter Mill