sampling point
Clifton Hampden Ditch Above Thames

Description	CLIFTON HAMPDEN DITCH ABOVE THAMES
Sampling point ID	TH-PTHR0221
Type	Freshwater – Rivers
Status	open
Location	easting northing: 454691 195470 lat lon: 51.65536, -1.210807
Area	West Thames
Sub-Area	L&W North Wt
Summary	187 samples taken between 2020 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.

53 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
BOD ATU
Bifenthrin
C - Org Filt
Ca Filtered
Cd Filtered
Chloride Ion
Cond @ 20C
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
NO FLOW/SAMP
Ni BLM Bio
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
PFOS
Pb BLM Bio
Pb Filtered
Permethrn-Tr
Permethrn-cs
SI-GQA
Temp Water
TriBT Cation
Triclosan
Type of Flow
Zn BLM Bio
Zn- Filtered
pFoctanoate
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 187 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Jun 2019 to 18 Mar 2020

Notation	Determinand	Units	10 Jun 2019 14:18	8 Jul 2019 12:18	8 Aug 2019 15:44	6 Sep 2019 13:13	21 Oct 2019 17:39	11 Nov 2019 10:48	12 Dec 2019 14:57	8 Jan 2020 14:08	12 Feb 2020 15:24	18 Mar 2020 12:02
0061	pH		8.33	8	8.07	7.97	7.71	7.65	7.93	7.83	7.77	8.39
0076	Temperature of Water	°C	14.2	18.8	20	16.5	13.1	10.8	7.5	10.5	7.7	11.1
0077	Conductivity at 25 C	μs/cm	2390	973	975	986	908	778	344	875	813	1667
0085	BOD : 5 Day ATU	mg/l	< 2.75	1.5	1.3	< 2.8	1.5	1.33	6.7	3.8	2.1	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.198	0.094	0.1	0.2	0.21	0.241	0.59	0.49	0.2	0.051
0116	Nitrogen, Total Oxidised as N	mg/l	14.1	24	27	31	18	14.9	16	18	16	10
0117	Nitrate as N	mg/l	14	23.8	26.9	30.8	17.7	14.7	15.8	17.8	15.9	9.97
0118	Nitrite as N	mg/l	0.111	0.17	0.11	0.23	0.27	0.156	0.21	0.24	0.1	0.032
0119	Ammonia un-ionised as N	mg/l	0.00491	0.00325	0.00377	0.00548	0.00249	0.0021	0.00764	0.00631	0.00183	0.00101
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	329	200	190	180	210	206	140	220	200	310
0180	Orthophosphate, reactive as P	mg/l	2.46	4.3	4.1	4.2	2.8	1.43	1.4	1.9	1.2	1.4
9901	Oxygen, Dissolved, % Saturation	%	77.8	81.8	64.1	79.8	79.8	98.9	87.7	82.6	90.2	75.2
9924	Oxygen, Dissolved as O2	mg/l	7.96	7.6	5.81	7.77	8.37	10.9	10.5	9.2	10.7	8.26

Samples from 25 Aug 2017 to 10 May 2019

Notation	Determinand	Units	25 Aug 2017 15:15	25 Sep 2017 14:00	20 Oct 2017 14:42	15 Nov 2017 14:24	6 Dec 2017 13:23	16 Jan 2018 14:50	21 Feb 2018 14:04	15 Mar 2018 10:50	5 Apr 2019 12:59	10 May 2019 11:56
0061	pH										7.77	7.8
0073	Cypermethrin	μg/l		< 0.002	< 0.002	< 0.002	< 0.002	< 0.002	< 0.002	< 0.002
0076	Temperature of Water	°C									11	13.4
0077	Conductivity at 25 C	μs/cm									833	901
0085	BOD : 5 Day ATU	mg/l									4.06	2.15
0111	Ammoniacal Nitrogen as N	mg/l									0.981	0.434
0116	Nitrogen, Total Oxidised as N	mg/l									22.6	23.8
0117	Nitrate as N	mg/l									22.3	23.4
0118	Nitrite as N	mg/l									0.35	0.375
0119	Ammonia un-ionised as N	mg/l									0.0114	0.00646
0162	Alkalinity to pH 4.5 as CaCO3	mg/l									188	174
0180	Orthophosphate, reactive as P	mg/l									2.94	3.79
0736	Fluoranthene	μg/l	0.00128
7562	Deltamethrin	μg/l		< 0.002	< 0.002	< 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	< 0.001
9341	cis-Permethrin	μg/l		< 0.002	< 0.002	< 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	< 0.001
9472	Lambda-cyhalothrin	μg/l		< 0.002	< 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	< 0.003
9901	Oxygen, Dissolved, % Saturation	%									79.9	101.2
9924	Oxygen, Dissolved as O2	mg/l									8.79	10.5

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sampling point Clifton Hampden Ditch Above Thames

Determinands

Sampling results

Samples from 10 Jun 2019 to 18 Mar 2020

Samples from 25 Aug 2017 to 10 May 2019

sampling point
Clifton Hampden Ditch Above Thames