sampling point
Scotsgrove Brook At Scotsgrove Mill

Description	SCOTSGROVE BROOK AT SCOTSGROVE MILL
Sampling point ID	TH-PTAR0034
Type	Freshwater – Rivers
Status	open
Location	easting northing: 471900 207100 lat lon: 51.757975, -0.959687
Area	West Thames
Sub-Area	L&W North Wt
Summary	170 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.

18 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SI-GQA
Temp Water
Type of Flow
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 170 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Sep 2023 to 7 Aug 2024

Notation	Determinand	Units	5 Sep 2023 11:54	5 Oct 2023 14:01	10 Nov 2023 10:49	4 Dec 2023 11:01	16 Jan 2024 12:41	1 Feb 2024 12:51	4 Mar 2024 11:07	24 Jun 2024 13:38	11 Jul 2024 13:29	7 Aug 2024 09:30
0061	pH		7.82	7.81	7.84	7.84	8	8.13	7.97	8.07	8.07	8.2
0076	Temperature of Water	°C	16.7	14.4	8.9	7.3	4	7.7	5.9	17.5	15.9	16
0077	Conductivity at 25 C	μs/cm	804	815	770	653	792	790	707	729	737	723
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	1.2	1.8	1.4	1.3	1.4	< 3	< 3	1.3
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.06	0.14	0.048	0.062	0.04	0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	12	11	5.9	6.8	7.3	7.4	5.3	8.8	7	9.3
0117	Nitrate as N	mg/l	12	11	5.88	6.74	7.22	7.35	5.26	8.69	6.98	9.28
0118	Nitrite as N	mg/l	0.012	0.011	0.024	0.064	0.078	0.051	0.036	0.11	0.024	0.021
0119	Ammonia un-ionised as N	mg/l	< 0.00059	< 0.00049	< 0.00035	0.00062	0.00164	0.00074	0.00078	0.00126	0.00084	< 0.00085
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	230	250	290	220	310	290	290	260	270	250
0180	Orthophosphate, reactive as P	mg/l	1.1	0.92	0.28	0.28	0.22	0.22	0.18	0.34	0.42	0.49
9901	Oxygen, Dissolved, % Saturation	%	77.4	77.3	71.2	82.5	84	87.1	88.2	94.8	87.3	93
9924	Oxygen, Dissolved as O2	mg/l	7.51	7.88	8.24	9.93	11	10.4	11	9.04	8.61	9.16

Samples from 29 Nov 2021 to 16 Aug 2023

Notation	Determinand	Units	29 Nov 2021 11:39	13 Dec 2021 11:10	25 Jan 2022 14:05	16 Feb 2022 14:41	9 Mar 2022 16:01	30 May 2023 16:39	16 Jun 2023 14:18	11 Jul 2023 14:21	27 Jul 2023 11:30	16 Aug 2023 11:42
0061	pH		8.03	8.03	8.14	7.99	8.12	8.12	8.12	8	7.96	7.95
0076	Temperature of Water	°C	3.7	9.7	5.1	9.9	9.2	14	18.4	17.5	16	16.4
0077	Conductivity at 25 C	μs/cm	846	808	833	625	783	758	738	730	682	734
0085	BOD : 5 Day ATU	mg/l	2.1	1	1.7	< 3	1.5	1.6	1.6	1.8	< 2	1.2
0111	Ammoniacal Nitrogen as N	mg/l	0.16	0.042	0.077	0.047	0.066	< 0.03	0.068	0.034	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	8.3	8.8	8.4	7.9	7.9	8.3	9.2	10	9	10
0117	Nitrate as N	mg/l	8.22	8.71	8.34	7.87	7.84	8.25	9.06	9.92	8.94	9.98
0118	Nitrite as N	mg/l	0.078	0.086	0.064	0.032	0.064	0.049	0.14	0.077	0.057	0.017
0119	Ammonia un-ionised as N	mg/l	0.00184	0.00075	0.00098	0.00083	0.00114	< 0.00073	0.00228	0.00107	< 0.00077	< 0.00078
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	280	290	300	220	290	260	240	230	230	230
0180	Orthophosphate, reactive as P	mg/l	0.53	0.43	0.39	0.3	0.29	0.5	0.62	0.66	0.7	0.73
9901	Oxygen, Dissolved, % Saturation	%	82.6	83.7	92.9	90.4	85.8	100.6	88.6	82	78	86.4
9924	Oxygen, Dissolved as O2	mg/l	10.9	9.5	11.8	10.2	9.85	10.3	8.3	7.82	7.68	8.43

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sampling point Scotsgrove Brook At Scotsgrove Mill

Determinands

Sampling results

Samples from 5 Sep 2023 to 7 Aug 2024

Samples from 29 Nov 2021 to 16 Aug 2023

sampling point
Scotsgrove Brook At Scotsgrove Mill