sampling point
Limy Water Above Confluence With Irwell

Description	LIMY WATER ABOVE CONFLUENCE WITH RIVER IRWELL
Sampling point ID	NW-88002089
Type	Freshwater – Rivers
Status	open
Location	easting northing: 381148 422646 lat lon: 53.699892, -2.287011
Area	Greater Manchester Merseyside And Cheshire
Sub-Area	Manchester
Summary	153 samples taken between 2023 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.

36 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
C - Org Filt
COD as O2
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NATGRIDREF
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
OMR Smpl Num
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
PhenolicOdor
Sld NV@500C
Sld Sus@105C
Temp Water
Visit-NoBott
Weth-Visibty
Weth7Dy-Prec
Weth7Dy-Temp
Weth7Dy-Vsy
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 153 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Jun 2022 to 14 Mar 2023

Notation	Determinand	Units	16 Jun 2022 10:30	4 Jul 2022 12:32	16 Aug 2022 08:50	21 Sep 2022 09:42	5 Oct 2022 15:17	7 Nov 2022 14:03	8 Dec 2022 11:55	26 Jan 2023 10:31	9 Feb 2023 11:31	14 Mar 2023 15:12
0061	pH		8.22	7.85	7.64	8.03	7.82	8.01	7.92	7.95	8.03	7.83
0076	Temperature of Water	°C	13.1	13.5	16.5	12.2	12.3	10	2.7	4.6	4.7	6
0077	Conductivity at 25 C	μs/cm	274	273	271	290	183	200	225	211	212	242
0085	BOD : 5 Day ATU	mg/l	1.3	1.7	1.7	1.2	3.8	< 1	2.3	1.5	1.5	1.6
0111	Ammoniacal Nitrogen as N	mg/l	0.18	0.066	< 0.03	0.037	0.072	< 0.03	0.073	0.068	0.063	0.052
0116	Nitrogen, Total Oxidised as N	mg/l	0.73	0.75	0.47	0.67	1.5	1.1	1.1	1.2	1.2	1.4
0117	Nitrate as N	mg/l	0.715	0.738	0.465	0.663	1.49	1.09	1.09	1.19	1.19	1.39
0118	Nitrite as N	mg/l	0.015	0.012	0.0055	0.0074	0.01	0.0086	0.0092	0.0075	0.01	0.0073
0119	Ammonia un-ionised as N	mg/l	0.00412	0.00111	< 0.00039	0.00079	0.00103	< 0.00055	0.00065	0.00074	0.00078	0.00048
0135	Solids, Suspended at 105 C	mg/l	3.9	3.2	< 3	4.2	20	< 3	< 3	< 3	4.2	12
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	85	85	86	91	42	58	67	54	60	41
0172	Chloride	mg/l	16	17	17	18	13	12	13	17	14	37
0180	Orthophosphate, reactive as P	mg/l	0.11	0.11	0.1	0.13	0.07		0.12	0.06	0.075	0.069
9901	Oxygen, Dissolved, % Saturation	%	99.7	100.4	89.5	99.8	98.7	101	102.1	102.8	100.5	98.7
9924	Oxygen, Dissolved as O2	mg/l	10.5	10.4	8.72	10.7	10.5	11.4	13.8	13.2	12.9	12.3

Samples from 16 Sep 2015 to 11 May 2022

Notation	Determinand	Units	16 Sep 2015 09:35	30 Nov 2015 11:05	19 Jan 2016 10:18	18 Apr 2016 09:49	15 Jul 2016 09:09	26 Oct 2016 11:04	22 Feb 2017 13:59	18 Oct 2017 08:36	13 Apr 2022 12:32	11 May 2022 13:26
0061	pH		7.88	7.59	7.33	8.08	7.87	8.01	7.69	7.87	8.03	8.16
0076	Temperature of Water	°C	10	6.9	4.3	7.2	12.5	9.8	7.5	10.1	8.7	11.5
0077	Conductivity at 25 C	μs/cm	212	168	149	218	209	239	176	231	228	207
0085	BOD : 5 Day ATU	mg/l								1.09	1.9	2.4
0092	Chemical Oxygen Demand :- {COD}	mg/l								15
0111	Ammoniacal Nitrogen as N	mg/l	0.034	0.088	0.073	< 0.03	< 0.03	0.03	< 0.03	< 0.03	< 0.03	0.031
0116	Nitrogen, Total Oxidised as N	mg/l	0.58	0.66	0.7	0.57	0.7	0.66	1.17	0.89	0.88	0.78
0117	Nitrate as N	mg/l	0.574	0.653	0.696	0.564	0.693	0.653	1.17	0.883	0.873	0.761
0118	Nitrite as N	mg/l	0.0057	0.0067	< 0.004	0.0065	0.0074	0.0073	0.0047	0.0067	0.0075	0.019
0119	Ammonia un-ionised as N	mg/l	0.00047	0.0005	0.00019	< 0.00045	< 0.00049	0.00054	< 0.00022		< 0.0005	0.00063
0135	Solids, Suspended at 105 C	mg/l								3.28	< 3	11
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	68	39	40	69	65	78	50	68	64	65
0172	Chloride	mg/l								15.4	18	14
0180	Orthophosphate, reactive as P	mg/l	0.085	0.066	0.04	0.079	0.063	0.095	0.07	0.055	0.036	0.046
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf								0
7434	National Grid Reference : Whole : Field report									1
9901	Oxygen, Dissolved, % Saturation	%	99.8	103.3	101.2	108.4	97.4	97.2	101.7	100	102.7	104.4
9924	Oxygen, Dissolved as O2	mg/l	11.2	12.6	13.1	13.1	10.4	11	12.2		11.9	11.4

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sampling point Limy Water Above Confluence With Irwell

Determinands

Sampling results

Samples from 16 Jun 2022 to 14 Mar 2023

Samples from 16 Sep 2015 to 11 May 2022

sampling point
Limy Water Above Confluence With Irwell