sampling point
Enborne At Thornford Road, Headley

Description	ENBORNE AT THORNFORD ROAD, HEADLEY
Sampling point ID	TH-PKER0017
Type	Freshwater – Rivers
Status	open
Location	easting northing: 452063 163859 lat lon: 51.371406, -1.253451
Area	West Thames
Sub-Area	L&W South Wt
Summary	110 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.

47 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
C - Org Filt
C - Organic
CHLOR A
CHLOROPHYLL
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd Filtered
Chloride Ion
Chromium -Cr
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu Filtered
Fe- Filt
Hardness
Lead - as Pb
Magnesium-Mg
Mn- Filtered
N Oxidised
NH3 un-ion
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
OrthophsFilt
OrthophsFilt
Oxygen Diss
Pb Filtered
Phosphorus-P
Potassium- K
SI-GQA
Sld NV@500C
Sld Sus@105C
Sld Sus@500C
Temp Water
Type of Flow
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 110 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 3 Mar 2015 to 4 Apr 2017

Notation	Determinand	Units	3 Mar 2015 12:58	6 May 2015 13:19	11 Aug 2015 15:19	11 Nov 2015 11:52	10 Mar 2016 10:09	16 Jun 2016 10:21	19 Sep 2016 09:38	15 Dec 2016 09:18	10 Jan 2017 10:52	4 Apr 2017 11:47
0052	Lead, Dissolved	μg/l	0.158
0061	pH		7.98	7.79	8	7.83	7.85	8.13	7.89	7.97	7.76	7.99
0076	Temperature of Water	°C		11.6	15.8	12.7	6.1	13.9	13.7	7.7	6	10.6
0077	Conductivity at 25 C	μs/cm		378	531	379	306	465	415	374	380	420
0106	Cadmium, Dissolved	μg/l	< 0.01
0111	Ammoniacal Nitrogen as N	mg/l		< 0.03	< 0.03	0.056	0.134	< 0.03	< 0.03	< 0.03	0.083	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l		2.46	5.42	2.79	2.6	3.71	3.42	2.79	3.23	3.58
0117	Nitrate as N	mg/l		2.45	5.41	2.78	2.59	3.7	3.41	2.78	3.19	3.57
0118	Nitrite as N	mg/l		0.0112	0.0088	0.013	0.0144	0.0084	0.0081	0.013	0.0383	0.0067
0119	Ammonia un-ionised as N	mg/l		< 0.00038	< 0.00084	0.00085	0.0013	< 0.00073	< 0.00056	< 0.00043	0.00065	< 0.00056
0162	Alkalinity to pH 4.5 as CaCO3	mg/l		106	152	113	83	161	122	100	97	140
0180	Orthophosphate, reactive as P	mg/l		0.172	0.407	0.14	0.066	0.175	0.119	0.074	0.073	0.07
0239	Calcium, Dissolved	mg/l	51.1
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	4.99
3408	Zinc, Dissolved	μg/l	2.8
3409	Chromium, Dissolved	μg/l	< 0.5
3410	Nickel, Dissolved	μg/l	2.21
6450	Copper, Dissolved	μg/l	1.38
6458	Manganese, Dissolved	μg/l	17.1
6460	Iron, Dissolved	μg/l	203
9901	Oxygen, Dissolved, % Saturation	%		102.8	61.9	70.9	88.9	94.1	86.4	86.2	91.8	84.2
9924	Oxygen, Dissolved as O2	mg/l		11.2	6.12	7.5	11	9.69	8.94	10.3	11.4	9.35

Samples from 8 May 2014 to 12 Feb 2015

Notation	Determinand	Units	8 May 2014 10:50	2 Jun 2014 11:40	16 Jul 2014 11:19	1 Aug 2014 11:13	4 Sep 2014 11:12	15 Oct 2014 10:07	10 Nov 2014 15:47	2 Dec 2014 12:05	8 Jan 2015 10:57	12 Feb 2015 14:05
0052	Lead, Dissolved	μg/l	0.144	0.119	< 0.1	< 0.1	< 0.1	0.321	0.211	0.142	0.367	< 0.1
0061	pH		8.05	8.1	8.04	8.09	8.06	7.73	7.8	8.08	7.7	8.05
0076	Temperature of Water	°C			15.7			11.9				5.1
0077	Conductivity at 25 C	μs/cm			538			326				413
0106	Cadmium, Dissolved	μg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.0126	0.0116	< 0.01
0111	Ammoniacal Nitrogen as N	mg/l			< 0.03			0.032				0.047
0116	Nitrogen, Total Oxidised as N	mg/l			4.68			4.36				3.19
0117	Nitrate as N	mg/l			4.67			4.34				3.17
0118	Nitrite as N	mg/l			0.0084			0.0185				0.0189
0119	Ammonia un-ionised as N	mg/l			< 0.00083			0.00036				0.0006
0135	Solids, Suspended at 105 C	mg/l	9.73	7.95	8.23	22.7	3.83
0158	Hardness, Total as CaCO3	mg/l	161	175	225	238	205	121	124	156	129	166
0162	Alkalinity to pH 4.5 as CaCO3	mg/l			185			81				124
0180	Orthophosphate, reactive as P	mg/l			0.229			0.129				0.145
0237	Magnesium	mg/l	3.67	3.88	3.7	3.55	4	4.01	3.94	4.25	3.79	4.03
0241	Calcium	mg/l	58.6	63.7	84.1	89.6	75.4	41.8	43.1	55.5	45.5	59.8
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	5.43	5.35	3.52	3.15	3.97	9.2	8.05	6.32	5.56	3.87
3408	Zinc, Dissolved	μg/l	2.87	2.14	2.9	2.68	2.3	3.69	2.8	3.57	8.28	2.97
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	2.54	2.65	1.55	1.73	1.74	3.16	3.06	2.48	2.39	1.82
6450	Copper, Dissolved	μg/l	1.53	1.3	1.41	1.3	1.36	2.55	2.01	1.47	1.85	1.23
9901	Oxygen, Dissolved, % Saturation	%			79.4			77.1				85
9924	Oxygen, Dissolved as O2	mg/l			7.87			8.31				10.8

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sampling point Enborne At Thornford Road, Headley

Determinands

Sampling results

Samples from 3 Mar 2015 to 4 Apr 2017

Samples from 8 May 2014 to 12 Feb 2015

sampling point
Enborne At Thornford Road, Headley