sampling point
Irwell At Regent Rd Bridge (A57)

Description	RIVER IRWELL AT REGENT ROAD BRIDGE (FORMER SEARCHLIGHT LTD PREMISES, WATER ST)
Sampling point ID	NW-88002383
Type	Freshwater – Rivers
Status	open
Location	easting northing: 382615 397680 lat lon: 53.475546, -2.263391
Area	Greater Manchester Merseyside And Cheshire
Sub-Area	Manchester
Summary	210 samples taken between 2024 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.

25 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 20C
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
OMR Smpl Num
Orthophospht
Oxygen Diss
SCCPs
Sld NV@500C
Sld Sus@105C
Temp Water
Weth-Visibty
Weth7Dy-Prec
Weth7Dy-Temp
Weth7Dy-Vsy
WethPresPrec
WethPresTemp
pH

Displaying the twenty most recent samples. You can see all 210 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 18 Sep 2023 to 5 Aug 2024

Notation	Determinand	Units	18 Sep 2023 10:19	6 Oct 2023 12:38	7 Nov 2023 12:32	13 Dec 2023 11:48	16 Jan 2024 13:49	8 Feb 2024 13:56	13 Mar 2024 10:05	14 Jun 2024 11:05	2 Jul 2024 10:55	5 Aug 2024 08:43
0061	pH		7.78	7.61	7.69	7.67	7.84	7.77	7.54	7.68	8.15	7.66
0076	Temperature of Water	°C	16.1	14.2	10	7.8	4.1	6	9.4	13.4	14.6	17.5
0077	Conductivity at 25 C	μs/cm	441	168	191	294	502	368	484	467	499	524
0085	BOD : 5 Day ATU	mg/l	2.8	6.1	2.9	2.3	2.1	< 2	< 3	2	< 6	< 30
0111	Ammoniacal Nitrogen as N	mg/l	0.26	0.13	0.15	0.24	1.3	0.64	1.4	0.56	0.24	0.35
0116	Nitrogen, Total Oxidised as N	mg/l	4.8	1	1.2	2.4	5		4.2	4.4	6.2	5.5
0117	Nitrate as N	mg/l	4.67	0.968	1.18	2.36	4.93		4.07	4.27	6.07	5.3
0118	Nitrite as N	mg/l	0.13	0.032	0.023	0.036	0.073		0.13	0.13	0.13	0.2
0119	Ammonia un-ionised as N	mg/l	0.00451	0.00133	0.00135	0.00176	0.0107	0.00515	0.00857	0.00634	0.00612	0.00512
0135	Solids, Suspended at 105 C	mg/l	8.2	170	41	14	6.2	9.7	< 3	5.8	6.9	6.6
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	84	50	56	70	91	75	88	91	80	90
0172	Chloride	mg/l	35	11	12	22	46	36	50	36	45	46
0180	Orthophosphate, reactive as P	mg/l	0.079	0.087	0.044	0.052	0.049	0.051	0.049	0.081	0.1	0.081
9901	Oxygen, Dissolved, % Saturation	%	89	103.1	101.2	98.8	98.5	99.7	90.8	93.8	91	89.7
9924	Oxygen, Dissolved as O2	mg/l	8.74	10.6	11.4	11.7	12.9	12.4	10.4	9.77	9.23	8.55

Samples from 1 Nov 2022 to 16 Aug 2023

Notation	Determinand	Units	1 Nov 2022 12:28	7 Dec 2022 10:49	31 Jan 2023 13:49	15 Feb 2023 15:23	8 Mar 2023 12:03	26 Apr 2023 14:16	11 May 2023 11:20	8 Jun 2023 09:29	10 Jul 2023 11:23	16 Aug 2023 09:15
0061	pH		7.55	7.68	7.82	7.68	7.73	7.82	7.52	7.73	7.68	7.56
0076	Temperature of Water	°C	12.1	5.4	7.3	6.7	5.4	9.9	13.7	15.5	17.8	16.3
0077	Conductivity at 25 C	μs/cm	226	497	584	503	561	480	460	537	407	322
0085	BOD : 5 Day ATU	mg/l	7.1	1.8	1.8	2	2.6	1.7	1.5	1.8	< 3	1.7
0111	Ammoniacal Nitrogen as N	mg/l		0.69	0.63	0.31	0.43	0.21	0.32	0.12	0.22	0.25
0116	Nitrogen, Total Oxidised as N	mg/l	1.9	5.3	5.7	5.7	4.9	4.7	4.9	6.2	3.8	2.2
0117	Nitrate as N	mg/l		5.18	5.6	5.62	4.83	4.64	4.76	6.08	3.71	2.12
0118	Nitrite as N	mg/l		0.12	0.099	0.081	0.074	0.063	0.14	0.12	0.094	0.085
0119	Ammonia un-ionised as N	mg/l		0.00433	0.00626	0.00214	0.00302	0.00253	0.00257	0.00178	0.00345	0.00267
0135	Solids, Suspended at 105 C	mg/l	120	3.9	3.1	4.2	19	< 3	6	4.6	9.1	19
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	57	87	82	90	83	84	89	90	77	80
0172	Chloride	mg/l	15	41	67	40	66	38	40	42	30	21
0180	Orthophosphate, reactive as P	mg/l		0.11	0.21	0.18	0.2	0.14	0.21	0.29	0.19	0.12
9901	Oxygen, Dissolved, % Saturation	%	97	95	97.7	97.6	93.4	99.9	88.7	91.3	87.3	95.3
9924	Oxygen, Dissolved as O2	mg/l	10.4	12	11.7	11.9	11.8	11.3	9.18	9.08	8.27	9.32

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sampling point Irwell At Regent Rd Bridge (A57)

Determinands

Sampling results

Samples from 18 Sep 2023 to 5 Aug 2024

Samples from 1 Nov 2022 to 16 Aug 2023

sampling point
Irwell At Regent Rd Bridge (A57)