sampling point
Henton Stream Below Chinnor No.2 Stw

Description	HENTON STREAM BELOW CHINNOR NO.2 STW
Sampling point ID	TH-PTAR0147
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 475870 203600 lat lon: 51.72599, -0.902942
Area	West Thames
Sub-Area	L&W North Wt
Summary	30 samples taken between 2022 and 2011

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.

57 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
Bifenthrin
C - Org Filt
COD as O2
Ca Filtered
Cd Filtered
Chloride Ion
Cond @ 25C
Cr- Filtered
Cu BLM Bio
Cu Filtered
Cypermethrin
DELTAMETHRIN
Fe- Filt
Flumethrin
Fluoranthene
Ind123pyrene
L Cyhalothrn
Mg Filtered
Mn BLM Bio
Mn- Filtered
N Oxidised
NH3 un-ion
Ni BLM Bio
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
PBDE 100
PBDE 153
PBDE 154
PBDE 28
PBDE 47
PBDE 99
PFOS
Pb BLM Bio
Pb Filtered
Permethrn-Tr
Permethrn-cs
Sld Sus@105C
Temp Water
TriBT Cation
Triclosan
Zn BLM Bio
Zn- Filtered
pFoctanoate
pH
ptOctylPheno

Displaying the twenty most recent samples. You can see all 30 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Jun 2021 to 9 Mar 2022

Notation	Determinand	Units	7 Jun 2021 10:58	19 Jul 2021 10:52	12 Aug 2021 10:01	21 Sep 2021 14:39	15 Nov 2021 13:09	10 Dec 2021 09:37	23 Dec 2021 14:37	6 Jan 2022 13:24	10 Feb 2022 14:41	9 Mar 2022 13:37
0061	pH		7.56	7.51	7.58	7.52	7.69	7.77	7.85	7.89	7.82	7.82
0076	Temperature of Water	°C	16.7	20.6	17.9	17.1	13.2	7.7	9.7	7.3	9.5	10.2
0077	Conductivity at 25 C	μs/cm	947	963	946	985	971	903	947	907	928	893
0111	Ammoniacal Nitrogen as N	mg/l	1.9	1.7	1.2	1.6	2.5	2.9	2.2	1.7	2.1	1.8
0116	Nitrogen, Total Oxidised as N	mg/l	20	19	20	21	19	16	19	17	18	16
0117	Nitrate as N	mg/l	19.5	18.1	19.2	20.2	18.2	15.4	18.4	16.6	17.4	15.7
0118	Nitrite as N	mg/l	0.55	0.9	0.79	0.81	0.79	0.59	0.58	0.45	0.59	0.33
0119	Ammonia un-ionised as N	mg/l	0.0209	0.0222	0.0151	0.0165	0.0286	0.0265	0.0279	0.0198	0.0245	0.0222
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	250	230	240	270	280	270	270	270	280
0180	Orthophosphate, reactive as P	mg/l	1.8	2.9	3.3	4.1	3.1	2.5	2.9	2.1	3	2.1
9901	Oxygen, Dissolved, % Saturation	%	66.6	39.5	50.1	45.5	51	61.7	63.8	66.3	66.3	60.2
9924	Oxygen, Dissolved as O2	mg/l	6.46	3.54	4.74	4.38	5.34	7.35	7.24	7.98	7.56	6.75

Samples from 7 Aug 2017 to 13 May 2021

Notation	Determinand	Units	7 Aug 2017 17:10	6 Sep 2017 15:21	14 Sep 2017 15:20	5 Oct 2017 10:59	16 Nov 2017 14:26	7 Dec 2017 11:40	18 Jan 2018 12:42	7 Feb 2018 12:05	27 Mar 2018 12:53	13 May 2021 13:30
0052	Lead, Dissolved	μg/l	0.394	0.324		0.335	0.356	0.382	0.202	0.172	0.244
0061	pH		7.55	7.58		7.86	7.61	7.75	7.89			7.55
0073	Cypermethrin	μg/l	< 0.0003	< 0.0001	< 0.0001	0.00018		< 0.0001	< 7.0e-05
0076	Temperature of Water	°C										12.8
0077	Conductivity at 25 C	μs/cm										930
0106	Cadmium, Dissolved	μg/l	0.0259	0.0293		0.0299	0.0314	0.0372	0.0151	0.0152	0.0131
0111	Ammoniacal Nitrogen as N	mg/l										2.7
0116	Nitrogen, Total Oxidised as N	mg/l										21
0117	Nitrate as N	mg/l										20.5
0118	Nitrite as N	mg/l										0.48
0119	Ammonia un-ionised as N	mg/l										0.0218
0162	Alkalinity to pH 4.5 as CaCO3	mg/l										230
0180	Orthophosphate, reactive as P	mg/l										1
0235	Magnesium, Dissolved	mg/l	8.4	8.6		7.31	7.91	8.74	5.42	5.13	5.94
0239	Calcium, Dissolved	mg/l	85.4	81.7		91.8	93.7	86.3	128	123	122
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	8.31	9.94		9.44	8.54	4.53	7.13
0714	Benzo(g,h,i)Perylene	μg/l	0.002	0.00213		0.00204	0.00244	0.00311	0.0028
0731	Benzo(b)Fluoranthene	μg/l	0.00176	0.00205		0.00201	0.00196	0.003	0.00332
0733	Benzo(k)Fluoranthene	μg/l	0.00078	0.00084		0.00091	0.00097	0.00126	0.0013
0736	Fluoranthene	μg/l	0.0053	0.00518		0.00529	0.00552	0.00554	0.0102
0746	Indeno(1,2,3-cd)pyrene	μg/l	0.00156	0.00177		0.00174	0.00152	0.00286	0.00262
3377	Lead : BLM Bioavailable	μg/l	0.05	0.03		0.04	0.04	0.08	0.03
3408	Zinc, Dissolved	μg/l	20.2	24.7		24.4	24.3	31	13.9	12.1	14.6
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5		< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	1.81	1.68		1.85	1.79	1.78	2.14	0.882	1.7
3878	Nickel : BLM Bioavailable	μg/l	0.36	0.3		0.41	0.36	0.55	0.59
4621	2,4,4-TriBromoDiphenylEther	μg/l	< 6.0e-05	< 6.0e-05		< 6.0e-05	< 6.0e-05	< 6.0e-05	8.0e-05
4820	Manganese : BLM Bioavailable	μg/l	2.77	1.24		5.08	3.08	5.18	6.66
4821	Copper : BLM Bioavailable	μg/l	0.64	0.61		0.84	0.64	1.68	0.51
4822	Zinc : BLM Bioavailable	μg/l	6	6.41		6.09	6.99	12.7	4.23
5889	Triclosan	μg/l	0.0717	0.084		0.0634	0.137	0.0633	0.0915
6399	Benzo(a)Pyrene	μg/l	0.00136	< 0.002		0.00151	< 0.002	< 0.002	0.00238
6450	Copper, Dissolved	μg/l	24	26.7		28.5	24.1	29.2	13.2	12.4	14
6458	Manganese, Dissolved	μg/l	11.8	< 10		11.9	11.7	15	14.7	11.8	16.2
6460	Iron, Dissolved	μg/l	53.1	49.7		44.1	44.2	43.7	53.5	< 30	41
7562	Deltamethrin	μg/l		< 0.002		< 0.002	< 0.002	< 0.002	< 0.002
8896	Bifenthrin	μg/l	< 0.001	< 0.001		< 0.001	< 0.001	< 0.001	< 0.001
8944	Tributyl Tin as Cation	μg/l	< 0.0002	< 0.0002		< 0.0002	< 0.0002	< 0.0002	< 0.0002
9011	2,2,4,4,5,5-Hexabromodiphenyl ether :- {PBDE 153}	μg/l	8.0e-05	9.0e-05		< 6.0e-05	< 6.0e-05	< 6.0e-05	< 6.0e-05
9013	2,2,4,4,5,6-Hexabromodiphenyl ether :- {PBDE 154}	μg/l	6.0e-05	7.0e-05		< 6.0e-05	< 6.0e-05	< 6.0e-05	< 6.0e-05
9015	2,2,4,4,5-Pentabromodiphenyl ether :- {PBDE 99}	μg/l	0.00067	0.00071		0.00044	0.00034	0.00039	0.00048
9017	2,2,4,4,6-Pentabromodiphenyl ether :- {PBDE 100}	μg/l	0.00018	0.00017		0.0001	8.0e-05	0.0001	< 6.0e-05
9019	2,2,4,4-Tetrabromodiphenyl ether :- {PBDE 47}	μg/l	0.00074	0.00059		0.00054	0.00039	0.00042	0.00024
9190	4-Nonylphenol Branched	μg/l	< 0.04	< 0.04		< 0.04	< 0.04	< 0.04	< 0.04
9267	4-tert-Octylphenol :- {p-tert-Octylphenol}	μg/l	< 0.01	< 0.01		< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
9274	Perfluorooctanoate anion	μg/l	0.00347	0.0026		0.00387	0.00299	0.00077	0.0024
9276	Perfluorooctylsulphonate anion	μg/l	0.00187	0.00243		0.00198	0.00195	0.0012	0.00173
9341	cis-Permethrin	μg/l	< 0.002	< 0.002		< 0.002	< 0.002	< 0.002
9342	trans-Permethrin	μg/l	< 0.001	< 0.001		< 0.001	< 0.001	< 0.001	0.0016
9472	Lambda-cyhalothrin	μg/l	< 0.002	< 0.002		< 0.002	< 0.002	< 0.002	< 0.002
9862	Flumethrin	μg/l	< 0.003	< 0.003		< 0.003	< 0.003	< 0.003	< 0.003
9901	Oxygen, Dissolved, % Saturation	%										59
9924	Oxygen, Dissolved as O2	mg/l										6.23

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sampling point Henton Stream Below Chinnor No.2 Stw

Determinands

Sampling results

Samples from 7 Jun 2021 to 9 Mar 2022

Samples from 7 Aug 2017 to 13 May 2021

sampling point
Henton Stream Below Chinnor No.2 Stw