sampling point
Black Brook Weir Upstream Of Chapel Wwtw

Description	BLACK BROOK WEIR UPSTREAM OF CHAPEL WWTW BRIDGEHOLM GREEN
Sampling point ID	NW-88001877
Type	Freshwater – Rivers
Status	open
Location	easting northing: 405096 381838 lat lon: 53.333417, -1.924932
Area	Greater Manchester Merseyside And Cheshire
Sub-Area	Manchester
Summary	135 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.

24 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
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 135 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Sep 2023 to 18 Jun 2024

Notation	Determinand	Units	25 Sep 2023 10:44	17 Oct 2023 11:54	20 Nov 2023 10:34	6 Dec 2023 10:52	24 Jan 2024 11:35	21 Feb 2024 09:28	22 Mar 2024 11:38	24 Apr 2024 11:55	22 May 2024 10:50	18 Jun 2024 10:58
0061	pH		7.98	7.86	7.84	7.67	8.08	8.06	7.95	8.19	7.98	8.34
0076	Temperature of Water	°C	13	9.6	9.3	5.4	7.1	7.9	8.6	7.6	12.3	11.1
0077	Conductivity at 25 C	μs/cm	257	224	205	231	282	196	220	246	340	277
0085	BOD : 5 Day ATU	mg/l	1.2					3	1.3	1.3	3.1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.095	< 0.03	< 0.03	0.11	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.4	1.6	1.7	1.8	1.7	1.3	1.6	1.5	1.4	1.3
0117	Nitrate as N	mg/l	1.4	1.6	1.69	1.79	1.69	1.29	1.59	1.49	1.38	1.29
0118	Nitrite as N	mg/l	0.004	< 0.004	0.0077	0.0075	0.014	0.011	0.0067	0.0077	0.024	0.0052
0119	Ammonia un-ionised as N	mg/l	< 0.00065	< 0.00039	< 0.00036	< 0.00018	< 0.00044	0.00149	< 0.00044	< 0.00046	0.00227	< 0.00059
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	74	66	62	60	75	60	64	69	81	83
0180	Orthophosphate, reactive as P	mg/l	0.06	0.047	0.027	0.027	0.035	0.067	0.034	0.037	0.089	0.069
9901	Oxygen, Dissolved, % Saturation	%	103.4	100.4	101.4	101	101.4	100.5	100.2	101.5	98.8	100.8
9924	Oxygen, Dissolved as O2	mg/l	10.9	11.4	11.6	12.8	12.3	11.9	11.7	12.1	10.6	11.1

Samples from 10 Dec 2019 to 6 Sep 2023

Notation	Determinand	Units	10 Dec 2019 12:10	30 Jan 2020 13:38	13 Feb 2020 11:34	18 Mar 2020 12:05	24 Apr 2023 11:46	16 Jun 2023 10:30	19 Jul 2023 09:35	28 Jul 2023 09:12	3 Aug 2023 09:13	6 Sep 2023 12:05
0061	pH		8.03	7.94	7.94	7.91	8.23	8.22	7.67	7.67	7.85	8.02
0076	Temperature of Water	°C	7.1	7.4	6.2	7.7	8.1	14	12.9	12.3	12	14.7
0077	Conductivity at 25 C	μs/cm	422	289	251	243	275	367	245	183	215	331
0085	BOD : 5 Day ATU	mg/l	1.5	< 1	1.2	1.3				< 3
0111	Ammoniacal Nitrogen as N	mg/l	0.032	< 0.03	< 0.03	0.052	< 0.03	< 0.03	< 0.03	< 0.03		< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.9	1.9	2	1.7	1.5	1.4	0.99	1.3		1.5
0117	Nitrate as N	mg/l	1.89	1.89	1.99	1.69	1.49	1.39	0.984	1.3		1.5
0118	Nitrite as N	mg/l	0.013	0.0083	0.0082	0.01	0.0061	0.0085	0.0056	0.0049		< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00047	< 0.00039	< 0.00036	0.00065	< 0.00048	< 0.00073	< 0.00032	< 0.00031		< 0.00077
0135	Solids, Suspended at 105 C	mg/l	25	8.8	14	11
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	67	73	64	64	75	99	67	50		93
0172	Chloride	mg/l	72	26	22	21
0180	Orthophosphate, reactive as P	mg/l	0.025	0.055	0.041	0.041	0.044	0.16	0.057	0.03		0.17
9901	Oxygen, Dissolved, % Saturation	%	102	101.1	97.8	100.3	101.6	99.4	99.6	99.8	100.7	99.1
9924	Oxygen, Dissolved as O2	mg/l	12.3	12.1	12.1	11.9	12	10.2	10.5	10.7		10

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sampling point Black Brook Weir Upstream Of Chapel Wwtw

Determinands

Sampling results

Samples from 25 Sep 2023 to 18 Jun 2024

Samples from 10 Dec 2019 to 6 Sep 2023

sampling point
Black Brook Weir Upstream Of Chapel Wwtw