sampling point
Tuckmill Brook Above Shrivenham Stw

Description	TUCKMILL BROOK ABOVE SHRIVENHAM STW
Sampling point ID	TH-PUTR0117
Type	Freshwater – Rivers
Status	open
Location	easting northing: 424600 189600 lat lon: 51.604699, -1.646182
Area	West Thames
Sub-Area	L&W North Wt
Summary	169 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.

19 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
Survey No.
Temp Water
Type of Flow
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 169 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 9 Nov 2023 to 17 Jul 2024

Notation	Determinand	Units	9 Nov 2023 14:38	27 Nov 2023 08:39	11 Dec 2023 13:11	17 Jan 2024 08:56	21 Feb 2024 09:42	18 Mar 2024 09:10	24 Apr 2024 08:55	13 May 2024 10:08	21 Jun 2024 10:23	17 Jul 2024 10:45
0061	pH		7.93	7.97	7.76	8.13	7.97	7.92	8.08	8.17	7.89	7.75
0076	Temperature of Water	°C	9.7	8.5	8.7	5.8	9.3	9.2	9.4	14.5	14.9	14.8
0077	Conductivity at 25 C	μs/cm	676	704	637	714	640	624	667	662	630	618
0085	BOD : 5 Day ATU	mg/l					1.2	< 1	< 1	1.4	< 1	1.1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.03	0.06	0.032	0.033	< 0.03	0.032	< 0.03	0.042
0116	Nitrogen, Total Oxidised as N	mg/l	6.7	7.8	6.1	8.8	6.1	5.2	8.2	6.6	7.3	5.5
0117	Nitrate as N	mg/l	6.68	7.78	6.08	8.77	6.09	5.19	8.18	6.57	7.25	5.45
0118	Nitrite as N	mg/l	0.019	0.019	0.016	0.026	0.014	0.011	0.018	0.032	0.047	0.048
0119	Ammonia un-ionised as N	mg/l	< 0.00046	< 0.00046	0.00029	0.0008	0.00052	0.00047	< 0.00052	0.00081	< 0.00061	0.00062
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	270	270	250	270	260	250	260	250	230	230
0180	Orthophosphate, reactive as P	mg/l	0.087	0.084	0.095	0.11	0.099	0.083	0.057	0.049	0.035	0.051
9901	Oxygen, Dissolved, % Saturation	%	82.4	86.7	84.1	93	91.4	89	94.2	92.5	88.1	81.4
9924	Oxygen, Dissolved as O2	mg/l	9.35	10.1	9.78	11.6	10.5	10.2	10.8	9.41	8.88	8.22

Samples from 21 May 2021 to 18 Oct 2023

Notation	Determinand	Units	21 May 2021 10:15	11 Jun 2021 11:30	9 Jul 2021 10:22	11 Aug 2021 08:25	16 Jun 2023 08:15	10 Jul 2023 12:26	20 Jul 2023 09:21	8 Aug 2023 08:04	11 Sep 2023 10:59	18 Oct 2023 08:47
0061	pH		7.86	7.8	7.84	7.86	7.67	7.76	7.77	7.81	7.61	7.98
0076	Temperature of Water	°C	10.7	17.2	16.2	15.3	16.8	16.7	14.4	13.7	18.3	10.3
0077	Conductivity at 25 C	μs/cm	728	638	624	612	551	608	620	610	635	609
0085	BOD : 5 Day ATU	mg/l					< 2
0111	Ammoniacal Nitrogen as N	mg/l	0.047	0.077	0.05	< 0.03	0.05	0.034	0.037	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	7.7	5.7	4.9	4.7	5.9	5	4.6	4.2	4.5
0117	Nitrate as N	mg/l	7.66	5.62	4.85	4.66	5.83	4.94	4.54	4.16	4.46
0118	Nitrite as N	mg/l	0.039	0.077	0.053	0.039	0.068	0.065	0.059	0.036	0.042
0119	Ammonia un-ionised as N	mg/l	0.00066	0.00151	0.001	< 0.00059	0.00071	0.00059	0.00055	< 0.00047	< 0.00042
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	280	230	230	220	230	230	220	230	230
0180	Orthophosphate, reactive as P	mg/l	0.05	0.046	0.043	0.044	0.044	0.048	0.055	0.066	0.067
9901	Oxygen, Dissolved, % Saturation	%	88.6	84.1	84.5	90.8	83.7	78.3	78	79.3	67.3	89.9
9924	Oxygen, Dissolved as O2	mg/l	9.82	8.07	8.28	9.07	8.1	7.6	7.95	8.21	6.32	10.1

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sampling point Tuckmill Brook Above Shrivenham Stw

Determinands

Sampling results

Samples from 9 Nov 2023 to 17 Jul 2024

Samples from 21 May 2021 to 18 Oct 2023

sampling point
Tuckmill Brook Above Shrivenham Stw