sampling point
Lydiard Brook Below Stw, Lydiard Millice

Description	LYDIARD BROOK BELOW STW, LYDIARD MILLICENT
Sampling point ID	TH-PUTR0144
Type	Freshwater – Rivers
Status	open
Location	easting northing: 410220 185640 lat lon: 51.569535, -1.853932
Area	West Thames
Sub-Area	L&W North Wt
Summary	101 samples taken between 2017 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 101 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 28 Nov 2014 to 22 Mar 2017

Notation	Determinand	Units	28 Nov 2014 11:52	23 Jan 2015 10:22	14 May 2015 09:46	30 Jul 2015 12:59	27 Oct 2015 16:06	12 Feb 2016 11:17	11 May 2016 11:28	19 Aug 2016 12:54	11 Nov 2016 09:19	22 Mar 2017 10:52
0061	pH		7.95	8.16	8.25	8.15	7.91	8.1	7.94	7.9	8.04	7.99
0076	Temperature of Water	°C	9.9	3.2	10.2	13.4	12.2	6.2	13.1	16.3	5.2	7.1
0077	Conductivity at 25 C	μs/cm	720	751	738	685	696	741	575	505	802	680
0111	Ammoniacal Nitrogen as N	mg/l		< 0.03	0.039	0.07	< 0.03	0.031	1.21	< 0.03	0.035	0.036
0116	Nitrogen, Total Oxidised as N	mg/l		4.51	2.84	1.38	1.34	4.19	17.3	1.71	2.86	4.23
0117	Nitrate as N	mg/l		4.5	2.83	1.37	1.34	4.18	17.2	1.67	2.85	4.22
0118	Nitrite as N	mg/l		0.0087	0.0139	0.0064	0.0044	0.0119	0.0837	0.0399	0.0089	0.0132
0119	Ammonia un-ionised as N	mg/l		< 0.00033	0.00072	0.00164	< 0.00052	0.00043	0.0242	< 0.00069	0.00045	0.00052
0162	Alkalinity to pH 4.5 as CaCO3	mg/l		304	303	284	323	309	152	203	328	269
0180	Orthophosphate, reactive as P	mg/l		0.068	0.079	0.178	0.102	0.08	0.166	0.181	0.135	0.13
9901	Oxygen, Dissolved, % Saturation	%	81.2	89.4	79	79.2	72.7	94.3	98.2	64.9	95.3	93.8
9924	Oxygen, Dissolved as O2	mg/l	9.17	12	8.86	8.25	7.78	11.7	10.3	6.35	12.1	11.3

Samples from 10 Apr 2007 to 17 Sep 2014

Notation	Determinand	Units	10 Apr 2007 12:30	9 May 2007 12:13	6 Jun 2007 12:10	8 Feb 2013 11:47	1 May 2013 14:53	5 Aug 2013 12:51	20 Nov 2013 14:45	28 Mar 2014 11:33	9 Jun 2014 10:34	17 Sep 2014 14:38
0061	pH		8.26	8.25	8.13	8.16	8.23	8.12	7.93	8.19	8.03	7.88
0076	Temperature of Water	°C	13.74	12.46	14.08	5.3	11.6	16.5	6.5	7	13.7	16.5
0077	Conductivity at 25 C	μs/cm				777	782	718	1006	726	757	742
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.034	< 0.03	0.067	< 0.03	< 0.03	< 0.03	< 0.03	0.031	0.382
0116	Nitrogen, Total Oxidised as N	mg/l	5.05	3.81	6.11	3.43	2.82	1.86	3.59	2.89	2.84	1.99
0117	Nitrate as N	mg/l	5.03	3.79	6.09	3.41	2.81	1.85	3.57	2.88	2.82	1.96
0118	Nitrite as N	mg/l	0.0177	0.0189	0.0166	0.0245	0.0079	0.0085	0.0196	0.009	0.0161	0.0296
0119	Ammonia un-ionised as N	mg/l	< 0.00072	0.00074	< 0.00074	0.00087	< 0.00062	< 0.00088	< 0.00036	< 0.00044	0.00074	0.00855
0162	Alkalinity to pH 4.5 as CaCO3	mg/l				333	357	304	319	304	324	307
0180	Orthophosphate, reactive as P	mg/l	0.058	0.062	0.07	0.074	0.067	0.146	0.064	0.077	0.111	0.129
3267	Type of flow as description		3	3	3
9901	Oxygen, Dissolved, % Saturation	%	118.3	107.9	106.8	87.3	96.5	77.1	80.8	101.6	79.9	96
9924	Oxygen, Dissolved as O2	mg/l	12.2	11.5	11	11	10.5	7.51	9.92	12.3	8.27	9.35

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sampling point Lydiard Brook Below Stw, Lydiard Millice

Determinands

Sampling results

Samples from 28 Nov 2014 to 22 Mar 2017

Samples from 10 Apr 2007 to 17 Sep 2014

sampling point
Lydiard Brook Below Stw, Lydiard Millice