sampling point
G.U.C. ( Wendover Arm ) At Roadbridge, T

Description	G.U.C. ( WENDOVER ARM ) AT ROADBRIDGE, TRING
Sampling point ID	TH-PTAR0008
Type	Freshwater – Rivers
Status	open
Location	easting northing: 492400 213200 lat lon: 51.809803, -0.661133
Area	West Thames
Sub-Area	L&W North Wt
Summary	127 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.

30 determinands have been measured at this site

Action taken
Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
Calcium - Ca
Chloride Ion
Cond @ 25C
Copper - Cu
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
SI-EC-F
SI-GQA
Sld Sus@105C
Temp Water
Type of Flow
Zinc - as Zn
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 127 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Aug 2013 to 29 Mar 2017

Notation	Determinand	Units	2 Aug 2013 14:22	4 Nov 2013 13:47	12 Mar 2014 11:59	4 Aug 2015 11:30	11 Nov 2015 12:39	10 Feb 2016 10:15	30 Jun 2016 16:02	25 Aug 2016 12:53	24 Nov 2016 11:17	29 Mar 2017 14:28
0061	pH		7.85	7.84	8.03	8.82	7.97	8.41	7.93	8.29	7.99	8
0076	Temperature of Water	°C	21.7	11.2	8.7	17.4	12.8	5.4	18.3	21.4	7.7	12.1
0077	Conductivity at 25 C	μs/cm	469	744	723	254	568	639	490	300	269	553
0111	Ammoniacal Nitrogen as N	mg/l	0.039	0.124	< 0.03	0.037	0.085	< 0.03	0.039	0.045	0.37	0.053
0116	Nitrogen, Total Oxidised as N	mg/l	2.29	3.71	10.5	0.35	2.14	3.97	2.44	0.32	2.14	5.35
0117	Nitrate as N	mg/l	2.23	3.64	10.5	0.346	2.08	3.95	2.41	0.316	2.09	5.33
0118	Nitrite as N	mg/l	0.0564	0.0673	0.0158	< 0.004	0.0557	0.0182	0.0334	< 0.004	0.0474	0.023
0119	Ammonia un-ionised as N	mg/l	0.00119	0.00172	< 0.0005	0.00116	0.00178	< 0.00039	0.00111	0.00188	0.00557	0.00113
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	146	176	241	57	213	211	156	74	170	178
0180	Orthophosphate, reactive as P	mg/l	< 0.02	0.121	< 0.02	0.012	0.037	< 0.01	< 0.01	< 0.01	0.032	0.022
9901	Oxygen, Dissolved, % Saturation	%	84.4	74.9	80.1	97.4	96.8	100.8	89.3	92.6	84.4	106.2
9924	Oxygen, Dissolved as O2	mg/l	7.41	8.2	9.31	9.31	10.2	12.7	8.38	8.17	10.1	11.4

Samples from 13 Aug 2009 to 20 Jun 2013

Notation	Determinand	Units	13 Aug 2009 16:40	22 Aug 2009 12:33	20 Oct 2009 12:10	17 Nov 2009 08:05	4 Dec 2009 10:32	4 Feb 2010 08:45	12 Feb 2010 12:55	17 Mar 2010 11:05	7 Feb 2013 12:25	20 Jun 2013 14:12
0061	pH		8.45	8.44	7.7	7.9	7.99	7.6	8	8	8.21	7.78
0076	Temperature of Water	°C	19.88	18.35	9	8	4.84	6	4	8.01	4.6	18.5
0077	Conductivity at 25 C	μs/cm									708	516
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.235	0.104	< 0.03	< 0.03	< 0.03	< 0.03	0.127
0116	Nitrogen, Total Oxidised as N	mg/l	1.08	0.77	2.51	1.64	2.5	5.39	6.14	6.58	7.57	3.87
0117	Nitrate as N	mg/l	1.08	0.766	2.48	1.61	2.47	5.37	6.12	6.57	7.55	3.83
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0264	0.0275	0.0298	0.0179	0.0192	0.0137	0.0166	0.0385
0119	Ammonia un-ionised as N	mg/l	< 0.00112	< 0.001	< 0.00026	0.00295	0.00127	< 0.00016	< 0.00035	< 0.00047	< 0.00037	0.00263
0162	Alkalinity to pH 4.5 as CaCO3	mg/l									239	172
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	< 0.02	0.02	0.044	< 0.02	< 0.02	< 0.02	0.03	0.028
9901	Oxygen, Dissolved, % Saturation	%	107.2	109.9	92.3	85.3	88.9	95.5	94	98.9	95	67.7
9924	Oxygen, Dissolved as O2	mg/l	9.75	10.3	10.7	10.1	11.4	11.9	12.3	11.7	12.2	6.33

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sampling point G.U.C. ( Wendover Arm ) At Roadbridge, T

Determinands

Sampling results

Samples from 2 Aug 2013 to 29 Mar 2017

Samples from 13 Aug 2009 to 20 Jun 2013

sampling point
G.U.C. ( Wendover Arm ) At Roadbridge, T