sampling point
Malham Beck At Black Hole

Description	MALHAM BECK AT BLACK HOLE
Sampling point ID	NE-49400587
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 390243 462186 lat lon: 54.05552, -2.150528
Area	Yorkshire
Sub-Area	Aire, Calder, Wharfe
Summary	115 samples taken between 2016 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.

40 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
Cu Filtered
Hardness
Liqcolour-mn
Liqcolour-se
Liqcolour-st
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
No sampleH&S
O Diss %sat
Obs Flow ROC
Oil & Grs Vs
Orthophospht
OrthophsFilt
Oxygen Diss
Phenol Odour
Phosphorus-P
Sample Depth
Sld Sus@105C
Solid quanty
Temp Water
Type of Flow
Visit-NoBott
Water Depth
Weth7Dy-Prec
Weth7Dy-Temp
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 115 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Jul 2014 to 12 Dec 2016

Notation	Determinand	Units	2 Jul 2014 09:12	21 Oct 2014 11:47	23 Feb 2015 13:00	29 May 2015 14:14	26 Aug 2015 11:03	13 Nov 2015 17:14	15 Mar 2016 12:55	24 Jun 2016 14:05	29 Sep 2016 13:40	12 Dec 2016 13:50
0061	pH		8.66	8.1	8.4	8.35	8.4	8.26	8.63	8.4	7.94	8.33
0076	Temperature of Water	°C	11.5	8.9	5.2	10.7	10.8	8.1	9.1	13	11.4	7.6
0077	Conductivity at 25 C	μs/cm	443	316	355	202	393	320	288	375	316	411
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.049	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.83	0.69	1.25	< 0.2	0.58	0.46	0.79	0.69	0.46	0.84
0117	Nitrate as N	mg/l	2.82	0.686	1.25	< 0.196	0.576	0.456	0.786	0.686	0.456	0.836
0118	Nitrite as N	mg/l	0.009	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00061	< 0.0005	< 0.00038	< 0.00058	< 0.00058	< 0.00048	< 0.00051	0.00111	< 0.00053	< 0.00046
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	195	146	133	93	200	154	152	183	157	207
0180	Orthophosphate, reactive as P	mg/l	0.862	0.086	0.085	< 0.01	0.013	0.089	0.071	0.042	0.011	0.02
9901	Oxygen, Dissolved, % Saturation	%	107.5	105.9	96	105.9	106.1	100.7	107.9	104.8	98.2	90.3
9924	Oxygen, Dissolved as O2	mg/l	11.7	12.3	12.2	11.7	11.7	11.9	12.4	11	10.7	10.8

Samples from 19 Jan 2009 to 30 Apr 2014

Notation	Determinand	Units	19 Jan 2009 10:20	4 Feb 2009 09:20	20 Feb 2009 10:10	25 Mar 2009 09:55	3 Mar 2013 13:42	25 Jul 2013 09:29	24 Sep 2013 08:57	4 Dec 2013 14:12	15 Jan 2014 14:55	30 Apr 2014 09:29
0061	pH		7.9	8.1	7.9	8.4	8.65	8.18	8.07	8.4	7.96	8.47
0076	Temperature of Water	°C	5.8	3.9	5.7	7.1	7.8	11.2	10.2	6.3	7.7	10.1
0077	Conductivity at 25 C	μs/cm					390	366	292	417	313	381
0085	BOD : 5 Day ATU	mg/l	< 1	2.2	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.037
0116	Nitrogen, Total Oxidised as N	mg/l	1.09	1.33	1.68	1.74	0.73	1.46	0.92	0.9	0.6	1.25
0117	Nitrate as N	mg/l	1.09	1.33	1.68	1.74	0.726	1.46	0.916	0.896	0.596	1.25
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.0045
0119	Ammonia un-ionised as N	mg/l	< 0.00032	< 0.00035	< 0.00032	< 0.00044	< 0.00047	< 0.0006	< 0.00056	< 0.00042	< 0.00042	0.00068
0162	Alkalinity to pH 4.5 as CaCO3	mg/l					182	162	194	198	128	175
0180	Orthophosphate, reactive as P	mg/l	0.026	0.034	0.099	0.117	0.024	0.298	0.072	0.029	< 0.02	0.247
9901	Oxygen, Dissolved, % Saturation	%	95	94	96	100	101.4	97.6	97.3	103.7	103.7	94.9
9924	Oxygen, Dissolved as O2	mg/l	11.9	12.3	12	12.1	12	10.7	10.9	12.8	12.4	10.7

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sampling point Malham Beck At Black Hole

Determinands

Sampling results

Samples from 2 Jul 2014 to 12 Dec 2016

Samples from 19 Jan 2009 to 30 Apr 2014

sampling point
Malham Beck At Black Hole