sampling point
Coln At Gauging Station, Bibury

Description	COLN AT GAUGING STATION, BIBURY
Sampling point ID	TH-PUTR0037
Type	Freshwater – Rivers
Status	open
Location	easting northing: 412146 206239 lat lon: 51.754706, -1.825434
Area	West Thames
Sub-Area	L&W North Wt
Summary	177 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.

31 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
OrthophsFilt
Oxygen Diss
Phenol Odour
Phosphorus-P
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 177 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Dec 2014 to 17 Mar 2017

Notation	Determinand	Units	2 Dec 2014 10:14	14 Jan 2015 10:41	15 Apr 2015 11:52	28 Aug 2015 10:40	21 Oct 2015 12:13	19 Feb 2016 11:13	17 May 2016 12:47	25 Aug 2016 12:12	22 Nov 2016 13:38	17 Mar 2017 14:45
0061	pH		8.04	7.97	7.93	7.85	7.91	7.88	8.04	7.92	7.76	7.98
0076	Temperature of Water	°C	9	6.6	12.9	11.9	10.3	7	12.4	14	8.1	9.4
0077	Conductivity at 25 C	μs/cm	595	556	550	535	548	560	545	542	512	528
0111	Ammoniacal Nitrogen as N	mg/l	0.038	0.056	0.051	0.052	0.033	< 0.03	0.055	0.033	0.042	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.93	6.3	5.62	4.99	4.86	6.67	6.02	5.01	4.27	6.31
0117	Nitrate as N	mg/l	6.92	6.29	5.6	4.94	4.82	6.66	6.01	4.97	4.24	6.3
0118	Nitrite as N	mg/l	0.0132	0.011	0.0171	0.0511	0.0372	0.0058	0.0145	0.0429	0.0258	0.0076
0119	Ammonia un-ionised as N	mg/l	0.00064	0.00074	0.00098	0.00078	0.0005	< 0.00033	0.0012	0.00067	0.00039	< 0.0005
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	229	216	208	214	213	224	209	212	198	209
0180	Orthophosphate, reactive as P	mg/l	0.028	0.021	< 0.01	0.014	0.031	< 0.01	0.017	0.021	0.044	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	85.8	85.5	89	89.7	80.6	93.2	102.4	107.3	91.5	105
9924	Oxygen, Dissolved as O2	mg/l	9.9	10.5	9.38	9.67	9.02	11.3	10.9	11	10.8	12

Samples from 31 May 2013 to 19 Sep 2014

Notation	Determinand	Units	31 May 2013 13:23	26 Jun 2013 12:25	19 Aug 2013 10:27	27 Sep 2013 11:26	9 Oct 2013 12:52	19 Nov 2013 11:48	3 Dec 2013 13:41	12 Mar 2014 12:58	19 Jun 2014 08:16	19 Sep 2014 11:44
0061	pH		7.98	7.74	7.98	7.92	8.02	7.96	7.92	7.96	7.92	7.79
0076	Temperature of Water	°C	12.6	12.9	13.7	12.7	13	7.6	8.3	8.1	12.7	13.6
0077	Conductivity at 25 C	μs/cm			569			566		554	553	537
0111	Ammoniacal Nitrogen as N	mg/l	0.069	0.085	0.031	0.044	< 0.03	0.035	0.053	< 0.03	0.07	0.062
0116	Nitrogen, Total Oxidised as N	mg/l			5.41			7.08		6.65	5.78	5.22
0117	Nitrate as N	mg/l			5.33			7.07		6.64	5.76	5.18
0118	Nitrite as N	mg/l	0.0218	0.03	0.0755	0.0648	0.0319	0.0118	0.0151	0.0083	0.0225	0.0368
0119	Ammonia un-ionised as N	mg/l	0.00145	0.00106	0.00071	0.00082	< 0.00068	0.00049	0.00071	< 0.00043	0.0013	0.00092
0135	Solids, Suspended at 105 C	mg/l	6.8	5.18	3.47	< 3	3.22	6.3	5.78
0162	Alkalinity to pH 4.5 as CaCO3	mg/l			208			206		215	213	209
0180	Orthophosphate, reactive as P	mg/l			< 0.02			< 0.02		< 0.02	< 0.02	< 0.02
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	< 1	< 1	< 1	< 1	< 1	< 1	< 1
6455	Zinc	μg/l	< 5	< 5	< 5	< 5	< 5	< 5	< 5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	102.9	113.3	81.5	92.5	83.7	86.1	77.9	82.3	81	93.3
9924	Oxygen, Dissolved as O2	mg/l	10.9	11.9	8.43	9.79	8.8	10.3	9.14	9.71	8.57	9.68

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sampling point Coln At Gauging Station, Bibury

Determinands

Sampling results

Samples from 2 Dec 2014 to 17 Mar 2017

Samples from 31 May 2013 to 19 Sep 2014

sampling point
Coln At Gauging Station, Bibury