sampling point
Salfords Stream Above Redhill Brook

Description	SALFORDS STREAM ABOVE REDHILL BROOK
Sampling point ID	TH-PMLR0058
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 530900 147600 lat lon: 51.212605, -0.1273
Area	Kent And South London
Sub-Area	L&W South London Ksl
Summary	134 samples taken between 2024 and 2010

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.

17 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
COD as O2
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld Sus@105C
Temp Water
TurbidityNTU
pH

Displaying the twenty most recent samples. You can see all 134 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Jul 2022 to 21 Jun 2024

Notation	Determinand	Units	29 Jul 2022 08:26	17 Aug 2022 10:23	26 Sep 2022 12:43	18 Oct 2022 13:55	21 Nov 2022 11:37	7 Dec 2022 10:29	26 Jan 2023 10:30	22 Feb 2023 13:31	15 Mar 2023 12:04	21 Jun 2024 10:17
0061	pH		7.8	7.3	7.59	7.3	7.28	7.56	7.43	7.53	7.61	7.62
0076	Temperature of Water	°C	14.6	17.7	13.1	11.4	9	6	4.2	7.4	6.1	12.6
0077	Conductivity at 25 C	μs/cm	2588	1290	1027	898	360	560	531	839	519	1208
0111	Ammoniacal Nitrogen as N	mg/l	0.1	0.69	0.2	< 0.03	< 0.03	0.17	< 0.03	0.051	0.032	0.29
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	1.7	1.2	19	5.2	2.5	3.3	1.4	2.6	0.46
0117	Nitrate as N	mg/l	0.191	1.42	1.15	18.9	5.19	2.49	3.28	1.39	2.59	0.431
0118	Nitrite as N	mg/l	0.0087	0.28	0.053	0.066	0.014	0.0088	0.018	0.012	0.0076	0.029
0119	Ammonia un-ionised as N	mg/l	0.00163	0.00451	0.00181	< 0.00012	< 0.0001	0.00085	< 0.0001	0.00026	0.00018	0.0027
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	250	120	96	96	76	130	79	160	89	210
0180	Orthophosphate, reactive as P	mg/l	0.14	0.12	0.051	0.011	0.087	0.072	0.084	0.042	0.029	0.07
9901	Oxygen, Dissolved, % Saturation	%	62.1	33.6	74.1	67.3	88.2	85.6	92.9	85.5	97.4	45.4
9924	Oxygen, Dissolved as O2	mg/l	6.3	3.19	7.77	7.34	10.2	10.6	12.1	10.3	12.1	4.82

Samples from 24 Sep 2021 to 23 Jun 2022

Notation	Determinand	Units	24 Sep 2021 12:28	20 Oct 2021 10:33	16 Nov 2021 10:33	9 Dec 2021 08:21	6 Jan 2022 11:46	10 Feb 2022 12:58	15 Mar 2022 09:39	28 Apr 2022 13:10	26 May 2022 09:26	23 Jun 2022 08:35
0061	pH		7.68	6.97	7.72	7.25	7.7	7.55	7.84	7.8	7.54	7.52
0076	Temperature of Water	°C	14.7	14	9.5	5.6	3.7	7.5	7.3	9	11.9	13.9
0077	Conductivity at 25 C	μs/cm	1534	240	724	361	495	885	584	1243	834	2175
0111	Ammoniacal Nitrogen as N	mg/l	0.75	0.057	0.062	0.044	0.052	0.072	0.041	0.13	0.097	0.3
0116	Nitrogen, Total Oxidised as N	mg/l	0.41	4	1.4	4.7	2.8	2.2	1.8	0.72	1.7	0.7
0117	Nitrate as N	mg/l	0.376	3.99	1.38	4.69	2.79	2.19	1.79	0.694	1.66	0.646
0118	Nitrite as N	mg/l	0.034	0.012	0.024	0.011	0.0093	0.014	0.012	0.026	0.042	0.054
0119	Ammonia un-ionised as N	mg/l	0.00935	0.00013	0.00058	0.0001	0.0003	0.00039	0.00043	0.0014	0.00071	0.00245
0135	Solids, Suspended at 105 C	mg/l	4.9	200	8.4		41	50	42
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	220	46	160	72	120	140	120	200	150	200
0180	Orthophosphate, reactive as P	mg/l	0.054	0.11	0.085	0.045	0.058	0.042	0.082	0.064	0.1	0.11
6396	Turbidity	ntu	1.9	280	2.8	110	54	67	61
9901	Oxygen, Dissolved, % Saturation	%	51.2	81.5	70.3	84.4	92.1	89.6	93.9	76.1	65.8	53.3
9924	Oxygen, Dissolved as O2	mg/l	5.18	8.38	8.02	10.6	12.2	10.7	11.3	8.78	7.09	5.49

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sampling point Salfords Stream Above Redhill Brook

Determinands

Sampling results

Samples from 29 Jul 2022 to 21 Jun 2024

Samples from 24 Sep 2021 to 23 Jun 2022

sampling point
Salfords Stream Above Redhill Brook