sampling point
Dearden Brook Above Conf With Irwell

Description	DEARDEN BROOK ABOVE CONFLUENCE WITH RIVER IRWELL
Sampling point ID	NW-88002113
Type	Freshwater – Rivers
Status	open
Location	easting northing: 379401 418060 lat lon: 53.658607, -2.313165
Area	Greater Manchester Merseyside And Cheshire
Sub-Area	Manchester
Summary	140 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.

42 determinands have been measured at this site

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

Displaying the twenty most recent samples. You can see all 140 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Dec 2014 to 13 Mar 2017

Notation	Determinand	Units	4 Dec 2014 13:01	5 Jan 2015 14:55	14 Apr 2015 14:10	7 Jul 2015 15:31	13 Oct 2015 11:51	28 Jan 2016 15:32	20 May 2016 10:30	4 Aug 2016 11:23	17 Nov 2016 15:21	13 Mar 2017 12:34
0061	pH		7.6	8	7.95	7.88	7.83	7.61	7.96	7.83	7.95	7.76
0076	Temperature of Water	°C	5.3	5.8	9.9	14.5	8.7	6.3	11.1	14.2	6.9	7.1
0077	Conductivity at 25 C	μs/cm	186	171	204	192	174	119	191	170	107	166
0111	Ammoniacal Nitrogen as N	mg/l	0.248	0.034	0.046	0.079	< 0.03	< 0.03	0.052	0.03	< 0.03	0.064
0116	Nitrogen, Total Oxidised as N	mg/l	0.95	0.75	0.8	0.84	0.6	0.48	0.82	0.59	0.39	0.58
0117	Nitrate as N	mg/l	0.928	0.745	0.787	0.811	0.596	0.476	0.801	0.579	0.386	0.572
0118	Nitrite as N	mg/l	0.022	0.0049	0.0126	0.0293	< 0.004	< 0.004	0.0194	0.011	< 0.004	0.0077
0119	Ammonia un-ionised as N	mg/l	0.00129	0.00046	0.00074	0.00153	< 0.00034	< 0.00017	0.00094	0.00051	< 0.00039	0.00055
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	33	26	35	46	36	20	41	41	27	31
0180	Orthophosphate, reactive as P	mg/l	0.0213	0.0156	0.03	0.082	0.023	< 0.01	0.016	0.04	0.04	0.032
9901	Oxygen, Dissolved, % Saturation	%	98	100	101	90.8	98.3	99.5	97.8	98.3	95.8	108.5
9924	Oxygen, Dissolved as O2	mg/l	12.4	12.5	11.4	9.23	11.4	12.3	10.7	10.1	11.6	13.1

Samples from 22 Jan 2010 to 25 Sep 2014

Notation	Determinand	Units	22 Jan 2010 10:45	12 Feb 2010 10:20	22 Mar 2010 13:40	11 Feb 2013 11:27	17 May 2013 12:04	7 Aug 2013 11:47	14 Nov 2013 11:01	17 Mar 2014 14:02	13 Jun 2014 11:51	25 Sep 2014 10:09
0061	pH		7.3	7.7	7.9	7	8.1	8.1	8	8.1	7.7	8
0076	Temperature of Water	°C	4.6	2.5	7	2.8	9.7	13.2	6.9	8.1	13.4	11.5
0077	Conductivity at 25 C	μs/cm	113	200	184	351	161	163	130	186	153	205
0085	BOD : 5 Day ATU	mg/l	1.6	< 1	1.2
0111	Ammoniacal Nitrogen as N	mg/l	0.06	0.044	0.071	0.045	0.181	0.056	0.056	< 0.03	0.036	0.195
0116	Nitrogen, Total Oxidised as N	mg/l	0.66	0.99	0.82	0.8	0.56	0.55	0.51	0.8	0.58	0.75
0117	Nitrate as N	mg/l	0.656	0.986	0.81	0.796	0.549	0.544	0.504	0.793	0.573	0.736
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0099	< 0.004	0.0109	0.0063	0.0062	0.0073	0.0072	0.0144
0119	Ammonia un-ionised as N	mg/l	0.00015	0.00023	0.00083	5.0e-05	0.00323	0.00129	0.00081	< 0.00048	0.00043	0.00397
0135	Solids, Suspended at 105 C	mg/l	47.4	< 3	9.62
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	17	33	37	31	29	25	22	33	32	44
0180	Orthophosphate, reactive as P	mg/l	0.028	< 0.02	< 0.02	< 0.02	0.034	0.028	< 0.02	< 0.02	0.029	0.025
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0
6450	Copper, Dissolved	μg/l	2.3	< 1	1.59
6455	Zinc	μg/l	16.2	< 5	< 5
6841	Phenolic Odour	pres/nf	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	99	112	96	104	111	102	104	106	101	98
9924	Oxygen, Dissolved as O2	mg/l	12.8	15.3	11.6	14.1	12.6	10.7	12.6	12.5	10.5	10.7

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sampling point Dearden Brook Above Conf With Irwell

Determinands

Sampling results

Samples from 4 Dec 2014 to 13 Mar 2017

Samples from 22 Jan 2010 to 25 Sep 2014

sampling point
Dearden Brook Above Conf With Irwell