sampling point
Virginia Water Inlet, A329 Blacknest Gat

Description	VIRGINIA WATER INLET, A329 BLACKNEST GATE
Sampling point ID	TH-PGWL0093
Type	Freshwater – Lakes/Ponds/Reservoirs
Status	open
Location	easting northing: 495890 168780 lat lon: 51.409941, -0.622662
Area	West Thames
Sub-Area	L&W South Wt
Summary	67 samples taken between 2024 and 2013

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.

21 determinands have been measured at this site

4-nonPhenol
Alky pH 4.5
Ammonia(N)
B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
BOD ATU
Cond @ 25C
Fluoranthene
Ind123pyrene
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH
ptOctylPheno

Displaying the twenty most recent samples. You can see all 67 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Aug 2017 to 23 Jul 2024

Notation	Determinand	Units	10 Aug 2017 13:04	6 Sep 2017 12:02	24 May 2019 10:37	2 Jul 2019 12:48	9 Sep 2019 11:38	8 Nov 2019 13:37	6 Jan 2020 11:13	12 Mar 2020 10:38	24 Jun 2024 13:07	23 Jul 2024 11:39
0061	pH				7.03	6.87	7.57	7.03	7.43	7.11	6.67	6.74
0076	Temperature of Water	°C			13.6	15.6	13.4	8	7.8	8.5	15.6	15.5
0077	Conductivity at 25 C	μs/cm			473	417	435	386	387	316	425	407
0085	BOD : 5 Day ATU	mg/l									< 3	< 7
0111	Ammoniacal Nitrogen as N	mg/l			0.173	0.27	0.22	0.111	0.17	0.085	0.27	0.25
0116	Nitrogen, Total Oxidised as N	mg/l			1.41	0.3	< 0.2	0.36	0.43	0.35	0.25	0.26
0117	Nitrate as N	mg/l			1.4	0.291	0.194	0.356	0.426	0.346	0.246	0.256
0118	Nitrite as N	mg/l			0.0119	0.0092	0.0062	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l			0.00045	0.00056	0.00194	0.00019	0.00072	0.00018	0.00036	0.00038
0162	Alkalinity to pH 4.5 as CaCO3	mg/l			49	28	15	41	33	44	29	22
0180	Orthophosphate, reactive as P	mg/l			< 0.01	< 0.01	< 0.01	0.034	0.029	0.028	0.016	< 0.01
0714	Benzo(g,h,i)Perylene	μg/l	0.00287	0.00013
0731	Benzo(b)Fluoranthene	μg/l	0.00254	0.00058
0733	Benzo(k)Fluoranthene	μg/l	0.00103	0.00023
0736	Fluoranthene	μg/l	0.00373	0.0106
0746	Indeno(1,2,3-cd)pyrene	μg/l	0.0024	0.00013
6399	Benzo(a)Pyrene	μg/l	0.00171	0.00027
9901	Oxygen, Dissolved, % Saturation	%			94.3	90.2	84.7	90	87.5	89.2	84.8	83.1
9924	Oxygen, Dissolved as O2	mg/l			9.78	8.96	8.82	10.6	10.4	10.4	8.42	8.27

Samples from 20 Oct 2016 to 19 Jul 2017

Notation	Determinand	Units	20 Oct 2016 11:10	15 Nov 2016 13:00	1 Dec 2016 12:38	12 Jan 2017 11:17	3 Feb 2017 10:49	7 Mar 2017 09:20	12 Apr 2017 09:43	8 May 2017 10:55	8 Jun 2017 11:52	19 Jul 2017 12:52
0061	pH			7.44	7.53		7.61	7.08	7.34		7.31	6.58
0076	Temperature of Water	°C		10.9	4.8		7.6	7.3	9		12.9	16
0077	Conductivity at 25 C	μs/cm		393	406		361	350	390		352	386
0111	Ammoniacal Nitrogen as N	mg/l		0.12	0.258		0.081	0.074	0.149		0.153	0.252
0116	Nitrogen, Total Oxidised as N	mg/l		0.41	0.34		0.77	0.59	0.34		0.33	0.33
0117	Nitrate as N	mg/l		0.403	0.332		0.765	0.585	0.334		0.324	0.322
0118	Nitrite as N	mg/l		0.0072	0.0079		0.005	0.0048	0.0056		0.0059	0.0085
0119	Ammonia un-ionised as N	mg/l		0.00065	0.0011		0.00051	0.00013	0.00056		0.00072	0.00028
0162	Alkalinity to pH 4.5 as CaCO3	mg/l		30	26		36	40	24		24	22
0180	Orthophosphate, reactive as P	mg/l		< 0.01	< 0.01		0.017	0.016	< 0.01		< 0.01	0.022
0714	Benzo(g,h,i)Perylene	μg/l	0.00011	0.00016	0.00012	0.00023	0.00775	0.00249			0.00049	0.00028
0731	Benzo(b)Fluoranthene	μg/l	0.00044	0.00038	0.00034	0.00048	0.00552	0.00211			0.00083	0.00078
0733	Benzo(k)Fluoranthene	μg/l	0.00018	0.00016	0.00014	0.00019	0.00269	0.00099			0.00036	0.00029
0736	Fluoranthene	μg/l	0.00758	0.00651	0.00618	0.00586	0.00381	0.00674			0.00663	0.00357
0746	Indeno(1,2,3-cd)pyrene	μg/l	9.0e-05	0.00013	0.0001	0.00024	0.00785	0.00226			0.0004	0.00032
6399	Benzo(a)Pyrene	μg/l	0.00023	0.00022	0.00018	0.00029	0.00567	0.00201	0.00018	0.00017	0.00046	0.00038
9901	Oxygen, Dissolved, % Saturation	%		82.1	95		86	83	74.7		83.4	74.7
9924	Oxygen, Dissolved as O2	mg/l		9.06	12.2		10.3	9.99	8.62		8.79	7.35

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sampling point Virginia Water Inlet, A329 Blacknest Gat

Determinands

Sampling results

Samples from 10 Aug 2017 to 23 Jul 2024

Samples from 20 Oct 2016 to 19 Jul 2017

sampling point
Virginia Water Inlet, A329 Blacknest Gat