sampling point
Wistaston Brook U/S Valley Brook

Description	WISTASTON BROOK U/S VALLEY BROOK
Sampling point ID	NW-88000696
Type	Freshwater – Rivers
Status	open
Location	easting northing: 367506 355168 lat lon: 53.092713, -2.48666
Area	Greater Manchester Merseyside And Cheshire
Sub-Area	Cheshire
Summary	212 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.

31 determinands have been measured at this site

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

Displaying the twenty most recent samples. You can see all 212 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 20 Jun 2022 to 2 Mar 2023

Notation	Determinand	Units	20 Jun 2022 11:33	6 Jul 2022 13:25	17 Aug 2022 09:59	26 Sep 2022 10:44	11 Oct 2022 12:26	3 Nov 2022 11:32	1 Dec 2022 14:00	23 Jan 2023 11:41	7 Feb 2023 11:25	2 Mar 2023 14:10
0061	pH		8.39	8.15	8	7.83	8.12	7.84	7.95	8.1	8.18	8.18
0076	Temperature of Water	°C	13.6	15.2	15.5	12.2	10.8	11	8	4.6	4.2	7.7
0077	Conductivity at 25 C	μs/cm	802	772	742	455	690	712	697	708	754	897
0085	BOD : 5 Day ATU	mg/l	< 3	1.2	1.5	5.1	1.3	1.7	1.9	1.9	< 3	2.1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.77	0.049	0.056	0.066	0.063	0.057	0.08
0116	Nitrogen, Total Oxidised as N	mg/l	4.6	4.4	4.6	2.7	3.7	4.2	5.9	6	5.9	5.1
0117	Nitrate as N	mg/l	4.57	4.38	4.57	2.62	3.66	4.16	5.85	5.97	5.87	5.06
0118	Nitrite as N	mg/l	0.033	0.023	0.029	0.078	0.039	0.043	0.049	0.032	0.027	0.043
0119	Ammonia un-ionised as N	mg/l	< 0.00071	< 0.0008	< 0.00082	0.0112	0.00095	0.00076	0.00093	0.00077	0.00068	0.00123
0135	Solids, Suspended at 105 C	mg/l	7.3	< 3	11	26	< 3	11	8.6	8.9	11	12
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	230	240	210	140	190	180	190	180	200	210
0172	Chloride	mg/l	53	53	51	32	48	46	44	55	54	100
0180	Orthophosphate, reactive as P	mg/l	0.22	0.24	0.28	0.3	0.25	0.19	0.14	0.11	0.13	0.12
9901	Oxygen, Dissolved, % Saturation	%	101.9	97.9	83.2	70.7	90.2	92.6	92.9	86.6	88.8	98.7
9924	Oxygen, Dissolved as O2	mg/l	10.6	9.8	8.27	7.57	9.97	10.2	11	11.2	11.6	11.7

Samples from 29 Jun 2016 to 6 May 2022

Notation	Determinand	Units	29 Jun 2016 12:32	10 Aug 2016 11:27	23 Sep 2016 12:47	18 Nov 2016 14:28	29 Nov 2016 14:17	15 Feb 2017 14:09	22 Mar 2017 12:51	26 Apr 2017 12:44	13 Apr 2022 11:20	6 May 2022 11:08
0061	pH		8.07	8.12	8.16	8.13	8.01	8.05	7.79	8.22	8.2	8.3
0076	Temperature of Water	°C	13.1	19.4	13.2	6.5	3.7	7.1	7.9	8.6	10.8	13.7
0077	Conductivity at 25 C	μs/cm	610	308	735	657	722	715	575	749	740	736
0085	BOD : 5 Day ATU	mg/l									2.1	1.6
0111	Ammoniacal Nitrogen as N	mg/l	0.063	0.288	0.035	0.199	0.122	0.057	0.191	0.034	0.039	0.052
0116	Nitrogen, Total Oxidised as N	mg/l	3.74	1.82	4.44	4.44	4.77	6.71	4.3	4.86	3.9	3.7
0117	Nitrate as N	mg/l	3.7	1.76	4.42	4.37	4.72	6.68	4.26	4.83	3.87	3.66
0118	Nitrite as N	mg/l	0.0378	0.0589	0.0219	0.075	0.0494	0.0343	0.0441	0.0287	0.029	0.039
0119	Ammonia un-ionised as N	mg/l	0.00144	0.0104	0.00081	0.00281	0.0014	0.00084	0.00185	0.00056	0.00075	0.00124
0135	Solids, Suspended at 105 C	mg/l									6.5	5.1
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	183	92	225	191	201	201	153	212	190	220
0172	Chloride	mg/l									72	55
0180	Orthophosphate, reactive as P	mg/l	0.206	0.189	0.32	0.19	0.149	0.142	0.099	0.163	0.17	0.17
9901	Oxygen, Dissolved, % Saturation	%	91.2	78.6	91.7	97.5	90.8	97.1	94.4	111.2	101.8	101.3
9924	Oxygen, Dissolved as O2	mg/l	9.56	7.21	9.6	12	12	11.7	11.2	13	11.2	10.5

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sampling point Wistaston Brook U/S Valley Brook

Determinands

Sampling results

Samples from 20 Jun 2022 to 2 Mar 2023

Samples from 29 Jun 2016 to 6 May 2022

sampling point
Wistaston Brook U/S Valley Brook