sampling point
Audlem Brook Ptc Weaver @ Grey's Bridge

Description	AUDLEM BROOK PTC WEAVER AT GREY'S BRIDGE
Sampling point ID	NW-88023133
Type	Freshwater – Rivers
Status	open
Location	easting northing: 365683 343073 lat lon: 52.98388, -2.512589
Area	Greater Manchester Merseyside And Cheshire
Sub-Area	Cheshire
Summary	93 samples taken between 2024 and 2013

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.

16 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOROPHYLL
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld Sus@105C
Temp Water
pH

Displaying the twenty most recent samples. You can see all 93 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Jun 2023 to 11 Mar 2024

Notation	Determinand	Units	8 Jun 2023 10:14	14 Jul 2023 13:06	3 Aug 2023 12:48	14 Sep 2023 11:51	6 Oct 2023 11:25	2 Nov 2023 11:30	8 Dec 2023 11:15	10 Jan 2024 11:50	9 Feb 2024 13:47	11 Mar 2024 10:36
0061	pH		8.03	7.65	7.98	7.84	7.99	7.8	7.71	7.87	7.61	7.86
0076	Temperature of Water	°C	11	14.7	14.9	14.2	14.9	10.5	6.2	4.2	6.7	7
0077	Conductivity at 25 C	μs/cm	875	800	850	757	780	589	564	659	434	523
0085	BOD : 5 Day ATU	mg/l	1.4	2.5		1.8	< 2	9.3	> 21	2.9	5.6	11
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03		0.23	0.035	0.77	3.9	0.3	0.38	1.1
0116	Nitrogen, Total Oxidised as N	mg/l	14	12		8.8	8.2	6.4	6.6	9.1	5.6	3.8
0117	Nitrate as N	mg/l	13.9	11.9		8.54	8.16	5.9	6.48	9.04		3.7
0118	Nitrite as N	mg/l	0.059	0.11		0.26	0.044	0.5	0.12	0.06		0.099
0119	Ammonia un-ionised as N	mg/l	< 0.00059	< 0.00035		0.00397	0.00089	0.00926	0.0278	0.00266	0.00224	0.0117
0135	Solids, Suspended at 105 C	mg/l	8.8	9.9		8.5	18	59	91	13	93	91
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	270	240		250	260	200	200	210	150	190
0172	Chloride	mg/l	49	47		44	40	26	24	28		30
0180	Orthophosphate, reactive as P	mg/l	0.33	0.4		0.72	0.51	0.33	0.99	0.21	0.45	0.38
7887	Chlorophyll : Acetone Extract	μg/l	4.2	2.6		2.8	2.6	22	28	6.7	18	38
9901	Oxygen, Dissolved, % Saturation	%	99.3	77.8	82.1	74.4	83.4	85.4	85.1	90.5	91.4	77.7
9924	Oxygen, Dissolved as O2	mg/l	10.9	7.87		7.61	8.4	9.51	10.5	11.8	11.2	9.42

Samples from 18 Jul 2022 to 12 May 2023

Notation	Determinand	Units	18 Jul 2022 10:31	15 Aug 2022 10:58	20 Sep 2022 11:03	4 Oct 2022 12:48	2 Nov 2022 10:58	2 Dec 2022 10:17	17 Jan 2023 11:06	3 Feb 2023 13:31	2 Mar 2023 12:40	12 May 2023 11:05
0061	pH		7.9	8.06	7.89	7.71	7.64	7.95	7.94	8.1	8.06	8.05
0076	Temperature of Water	°C	15.3	16.1	11.8	12.9	10.4	7.2	3.4	9	6.9	12.2
0077	Conductivity at 25 C	μs/cm	909	895	878	861	867	798	670	747	811	750
0085	BOD : 5 Day ATU	mg/l	< 3	1.2	< 1	1.5	3.1	1.9	1.4	1.3	1.8	1.9
0111	Ammoniacal Nitrogen as N	mg/l	0.049	0.031	< 0.03	< 0.03	0.12	0.085	0.13	0.058	0.089	0.05
0116	Nitrogen, Total Oxidised as N	mg/l	16	15	16	14	19	15	14	14	13	11
0117	Nitrate as N	mg/l	15.9	14.9	16	13.9	18.8	14.9	13.9	13.9	12.9	10.9
0118	Nitrite as N	mg/l	0.14	0.057	0.039	0.055	0.16	0.11	0.084	0.093	0.079	0.11
0119	Ammonia un-ionised as N	mg/l	0.00105	0.00088	< 0.00049	< 0.00035	0.00099	0.00113	0.00127	0.00098	0.00129	0.00107
0135	Solids, Suspended at 105 C	mg/l	19	13	7.3	5.3	18	6.7	10	7.8	14	14
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	250	260	240	240	190	210	180	230	250	240
0172	Chloride	mg/l	57	61	57	53	53	42	34	38	45	40
0180	Orthophosphate, reactive as P	mg/l	0.31	0.38	0.44	0.37	0.3	0.18	0.16	0.19	0.2	0.32
7887	Chlorophyll : Acetone Extract	μg/l										8.3
9901	Oxygen, Dissolved, % Saturation	%	78.8	80.4	81.5	79.7	88	88.5	92.1	92.2	95.5	94.8
9924	Oxygen, Dissolved as O2	mg/l	7.87	7.89	8.8	8.39	9.82	10.7	12.2	10.6	11.6	10.1

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sampling point Audlem Brook Ptc Weaver @ Grey's Bridge

Determinands

Sampling results

Samples from 8 Jun 2023 to 11 Mar 2024

Samples from 18 Jul 2022 to 12 May 2023

sampling point
Audlem Brook Ptc Weaver @ Grey's Bridge