sampling point
Latchford Brook At Latchford

Description	LATCHFORD BROOK AT LATCHFORD
Sampling point ID	TH-PTAR0102
Type	Freshwater – Rivers
Status	open
Location	easting northing: 465317 201389 lat lon: 51.70744, -1.056118
Area	West Thames
Sub-Area	L&W North Wt
Summary	147 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 @ 20C
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 147 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Jan 2020 to 24 Jun 2024

Notation	Determinand	Units	6 Jan 2020 15:07	21 Aug 2023 09:34	5 Sep 2023 13:05	10 Oct 2023 14:16	1 Nov 2023 09:50	7 Dec 2023 11:32	16 Jan 2024 13:40	9 Feb 2024 10:34	1 Mar 2024 12:18	24 Jun 2024 12:54
0061	pH		7.98	7.41	7.52	7.46	7.47	7.74	7.92	7.94	7.76	7.58
0076	Temperature of Water	°C	7.6	16	16.9	14.5	11.8	7	3.2	8.6	6.8	15.9
0077	Conductivity at 25 C	μs/cm	854	1278	1085	1240	661	732	894	353	386	1093
0085	BOD : 5 Day ATU	mg/l		< 1	< 1	< 2	1.6	1.3	1.5	2	2.6	< 3
0111	Ammoniacal Nitrogen as N	mg/l	0.043	< 0.03	< 0.03	0.031	< 0.03	< 0.03	0.03	0.068	0.27	0.035
0116	Nitrogen, Total Oxidised as N	mg/l	13	3.9	5.9	7	13	9.5	7.4	4	2.7	6.9
0117	Nitrate as N	mg/l	13	3.89	5.89	6.99	13	9.47	7.37	3.99	2.69	6.88
0118	Nitrite as N	mg/l	0.028	0.0082	0.0087	0.013	0.015	0.031	0.03	0.014	0.013	0.019
0119	Ammonia un-ionised as N	mg/l	0.00063	< 0.00022	< 0.00031	0.00023	< 0.00019	< 0.00024	0.00028	0.00098	0.00225	0.00038
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	200	250	260	250	170	190	240	110	120	260
0180	Orthophosphate, reactive as P	mg/l	0.31	1.3	0.93	1.5	0.25	0.24	0.32	0.18	0.14	1
9901	Oxygen, Dissolved, % Saturation	%	82.2	65.5	73.1	70.1	80.3	87.9	90.7	85.3	93.9	74.2
9924	Oxygen, Dissolved as O2	mg/l	9.82	6.45	7.06	7.13	8.67	10.7	12.1	9.94	11.4	7.32

Samples from 12 Aug 2015 to 28 Oct 2019

Notation	Determinand	Units	12 Aug 2015 14:17	3 Nov 2015 14:05	4 Mar 2016 16:15	15 Jun 2016 12:38	22 Sep 2016 13:12	7 Dec 2016 13:17	25 Jan 2017 15:32	1 Apr 2019 12:03	29 Aug 2019 13:19	28 Oct 2019 14:49
0061	pH		7.86	7.61	8.08	7.73	8.07	7.8	7.92	7.87	7.91	7.61
0076	Temperature of Water	°C	14.9	10.9	6.1	14.1	15.2	8.1	4.1	7.9	15.7	8.3
0077	Conductivity at 25 C	μs/cm	1321	1192	1216	1108	1008	1071	1133	1123	1238	1100
0111	Ammoniacal Nitrogen as N	mg/l	0.032	< 0.03	< 0.03	0.034	< 0.03	< 0.03	0.246	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.99	6.38	10.7	6.41	10.1	11	13.1	10.7	4	20
0117	Nitrate as N	mg/l	5.98	6.35	10.7	6.39	10.1	11	13	10.7	3.99	20
0118	Nitrite as N	mg/l	0.0124	0.0323	0.0474	0.0205	0.0109	0.0255	0.0576	0.0121	0.0053	0.017
0119	Ammonia un-ionised as N	mg/l	0.00061	< 0.00024	< 0.00041	0.00045	< 0.0008	< 0.0003	0.00242	< 0.00035	< 0.00068	< 0.0002
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	276	255	228	230	245	249	212	228	270	190
0180	Orthophosphate, reactive as P	mg/l	2.89	2.28	0.727	0.22	0.378	0.211	0.107	1.01	1.9	0.64
9901	Oxygen, Dissolved, % Saturation	%	74.2	52.1	96.2	68.4	102.2	74.2	87.6	89.2	104.2	84.1
9924	Oxygen, Dissolved as O2	mg/l	7.48	5.75	11.9	7.02	10.2	8.75	11.4	10.6	10.3	9.87

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sampling point Latchford Brook At Latchford

Determinands

Sampling results

Samples from 6 Jan 2020 to 24 Jun 2024

Samples from 12 Aug 2015 to 28 Oct 2019

sampling point
Latchford Brook At Latchford