sampling point
Holcombe Brook Above Conf With Irwell

Description	HOLCOMBE BROOK ABOVE CONFLUENCE WITH RIVER IRWELL
Sampling point ID	NW-88002120
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 378982 414936 lat lon: 53.630512, -2.319293
Area	Greater Manchester Merseyside And Cheshire
Sub-Area	Manchester
Summary	122 samples taken between 2010 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.

33 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
OMR Smpl Num
Oil & Grs Vs
Orthophospht
Oxidant TotR
Oxygen Diss
Phenol Odour
PhenolicOdor
Sld NV@500C
Sld Sus@105C
Temp Water
Weth-Visibty
Weth7Dy-Prec
Weth7Dy-Temp
Weth7Dy-Vsy
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 122 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Jun 2009 to 22 Mar 2010

Notation	Determinand	Units	15 Jun 2009 10:05	13 Jul 2009 15:35	2 Sep 2009 08:50	16 Sep 2009 10:00	20 Oct 2009 09:40	17 Nov 2009 10:10	9 Dec 2009 09:45	22 Jan 2010 10:00	12 Feb 2010 09:50	22 Mar 2010 14:15
0061	pH		7.6	7.8	7.8	7.2	7.8	7.5	8	7.3	7.5	7.8
0076	Temperature of Water	°C	12.2	14.6	12.2	11.5	9.2	8	6.7	4.5	2.6	7.4
0077	Conductivity at 25 C	μs/cm	273	137	108	220	224	147	146	97	210	206
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	1.5	< 1	1.2	< 1	1.1	1.5	1.8	1.3
0111	Ammoniacal Nitrogen as N	mg/l	0.032	< 0.03	< 0.03	0.105	< 0.03	0.07	0.152	0.05	0.153	0.071
0116	Nitrogen, Total Oxidised as N	mg/l	1.24	0.57	0.52	0.96	0.88	0.7	0.72	0.75	0.96	1.05
0117	Nitrate as N	mg/l	1.23	0.566	0.516	0.922	0.874	0.691	0.712	0.746	0.952	1.04
0118	Nitrite as N	mg/l	0.0085	< 0.004	< 0.004	0.0383	0.0058	0.0089	0.0079	< 0.004	0.0076	0.0132
0119	Ammonia un-ionised as N	mg/l	0.00028	< 0.00049	< 0.00041	0.00034	< 0.00033	0.00035	0.00218	0.00012	0.00052	0.00068
0135	Solids, Suspended at 105 C	mg/l	3.6	6.8	15.1	3.9	< 3	13	9.8	48	< 3	3.87
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	89	41	31	73	70	42	41	22	58	64
0180	Orthophosphate, reactive as P	mg/l	0.048	< 0.02	0.049	0.034	0.042	< 0.02	< 0.02	< 0.02	0.029	0.024
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	2.5	4.1	4.2	2	1.95	2.56	2.8	2.8	1.73	2.47
6455	Zinc	μg/l	5.3	6.3	9.6	< 5	< 5	7.56	7.2	16.6	< 5	6.9
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	99	97	98	92	94	95	99	99	112	94
9924	Oxygen, Dissolved as O2	mg/l	10.6	9.84	10.5	10	10.8	11.2	12.1	12.8	15.2	11.3

Samples from 3 Sep 2008 to 15 May 2009

Notation	Determinand	Units	3 Sep 2008 16:15	30 Sep 2008 10:55	27 Oct 2008 10:00	19 Nov 2008 15:25	5 Dec 2008 09:55	20 Jan 2009 10:20	19 Feb 2009 15:15	3 Apr 2009 10:15	15 Apr 2009 10:10	15 May 2009 14:25
0061	pH		7.96	7.6	7.5	7.9	7.1	7.1	7.8	7.3	7.8	7.7
0076	Temperature of Water	°C	12.33	11.5	8.5	8.9	3.7	3.5	6.3	6.5	9	9.8
0077	Conductivity at 25 C	μs/cm	124	147	109	142	136	197	220	219	253	180
0085	BOD : 5 Day ATU	mg/l	3.1	4.9	< 1	< 1	1.3	2	1.2	1.3	< 1	2.3
0111	Ammoniacal Nitrogen as N	mg/l	0.081	0.165	0.085	0.084	0.068	0.094	0.125	0.046	< 0.03	0.051
0116	Nitrogen, Total Oxidised as N	mg/l	0.53	1.03	0.56	0.69	0.78	0.81	1.06	1.04	1.01	0.84
0117	Nitrate as N	mg/l	0.522	1.01	0.554	0.677	0.776	0.802	1.04	1.03	1	0.821
0118	Nitrite as N	mg/l	0.0076	0.0165	0.006	0.0129	< 0.004	0.0081	0.017	0.0134	0.0097	0.0187
0119	Ammonia un-ionised as N	mg/l	0.0016	0.00135	0.00044	0.00113	0.0001	0.00014	0.0011	0.00013	< 0.00032	0.00046
0135	Solids, Suspended at 105 C	mg/l	88.2	127	18.1	5	17.4	4.7	< 3	3.8	< 3	10.4
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	52	51	31	42	24	42	65	65	77	55
0180	Orthophosphate, reactive as P	mg/l	0.038	0.044	0.031	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	0.034	< 0.02
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	6.1	4.5	3.5	2.7	3	2.3	1.6	1.8	2.8	3.2
6455	Zinc	μg/l	31.1	45	10.3	6.4	12	6.8	< 5	< 5	< 5	8.5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	98.8	101	99	100	102	98	99	101	97	98
9924	Oxygen, Dissolved as O2	mg/l	10.5	11	11.6	11.6	13.5	13	12.2	12.4	11.2	11.1

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sampling point Holcombe Brook Above Conf With Irwell

Determinands

Sampling results

Samples from 15 Jun 2009 to 22 Mar 2010

Samples from 3 Sep 2008 to 15 May 2009

sampling point
Holcombe Brook Above Conf With Irwell