sampling point
Marsham Swr Ds Tribs- Cliffend

Description	MARSHAM SEWER DOWNSTREAM CONFLUENCE WITH TRIBUTARIES AT CLIFFEND
Sampling point ID	SO-E0001604
Type	Freshwater – Rivers
Status	open
Location	easting northing: 588824 113578 lat lon: 50.890816, 0.683428
Area	Kent And South London
Sub-Area	L&W Kent And East Sussex Ksl
Summary	238 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
COPA
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld Sus@105C
Temp Water
TurbidityNTU
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 238 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 17 Oct 2023 to 16 Jul 2024

Notation	Determinand	Units	17 Oct 2023 10:22	20 Nov 2023 14:08	5 Dec 2023 11:14	16 Jan 2024 13:36	20 Feb 2024 10:31	20 Mar 2024 09:25	18 Apr 2024 15:02	20 May 2024 14:50	27 Jun 2024 13:09	16 Jul 2024 14:46
0061	pH		7.11	7.54	7.22	7.73	7.26	7.94	7.32	7.63	7.59	7.31
0076	Temperature of Water	°C	10.8	11.3	8	3.6	9	10.2	11.8	15.3	17.9	16.8
0077	Conductivity at 25 C	μs/cm	560	319	332	478	368	551	427	469	597	492
0085	BOD : 5 Day ATU	mg/l					< 2	1.2	< 3	1.3	< 3	< 4
0111	Ammoniacal Nitrogen as N	mg/l	0.06	0.071	0.037	0.1	0.032	< 0.03	< 0.03	0.049	0.07	0.03
0116	Nitrogen, Total Oxidised as N	mg/l	8.8	1.5	1.4	4.1	2.1	2.5	4.2	5	6.2	4.2
0117	Nitrate as N	mg/l	8.76	1.49	1.39	4.08	2.09	2.49	4.19	4.97	6.13	4.17
0118	Nitrite as N	mg/l	0.039	0.013	0.0067	0.021	0.0067	0.0064	0.011	0.028	0.075	0.031
0119	Ammonia un-ionised as N	mg/l	0.00015	0.0005	0.0001	0.00062	0.0001	< 0.00048	< 0.00013	0.00057	0.0009	0.00019
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	67	52	52	50	49	51	49	59	80	67
0180	Orthophosphate, reactive as P	mg/l	0.074	0.036	0.047	0.042	0.034	0.027	0.043	0.059	0.15	0.087
9901	Oxygen, Dissolved, % Saturation	%	68.4	91.4	92.5	95.5	95.3	97.3	109.9	94.7	80.2	84.2
9924	Oxygen, Dissolved as O2	mg/l	7.56	9.99	10.9	12.6	11	10.9	11.9	9.46	7.59	8.15

Samples from 14 Dec 2022 to 11 Sep 2023

Notation	Determinand	Units	14 Dec 2022 11:57	26 Jan 2023 16:59	10 Feb 2023 09:39	7 Mar 2023 15:08	24 Apr 2023 10:31	30 May 2023 13:39	29 Jun 2023 09:35	24 Jul 2023 13:59	2 Aug 2023 09:32	11 Sep 2023 11:38
0061	pH		7.42	7.28	7.39	7.41	7.59	7.24	6.96	7.16	7.46	6.98
0076	Temperature of Water	°C	4.7	6.6	4.3	6.7	10.3	13.7	17.9	17	16.9	18.2
0077	Conductivity at 25 C	μs/cm	435	445	431	547	392	470	626	569	436	688
0085	BOD : 5 Day ATU	mg/l	1.4	1.5	< 1	2.8			< 4
0111	Ammoniacal Nitrogen as N	mg/l	0.064	0.18	0.11	0.2	< 0.03	0.081	0.14	< 0.03	0.2	0.11
0116	Nitrogen, Total Oxidised as N	mg/l	3.4	3.1	3.5	5.1	1.9	4.3	9.8	9.2	4.1	15
0117	Nitrate as N	mg/l	3.39	3.07	3.48	5.05	1.89	4.23	9.65	9.11	4.05	14.9
0118	Nitrite as N	mg/l	0.015	0.027	0.019	0.051	0.0083	0.074	0.15	0.092	0.053	0.13
0119	Ammonia un-ionised as N	mg/l	0.00021	0.00049	0.00033	0.00074	< 0.00022	0.00034	0.00043	< 0.00014	0.00178	0.00036
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	47	43	44	52	54	56	87	73	62	74
0180	Orthophosphate, reactive as P	mg/l	0.029	0.03	0.042	0.092	0.024	0.092	0.17	0.16	0.14	0.14
6396	Turbidity	ntu			5.5
9901	Oxygen, Dissolved, % Saturation	%	91.8	95.1	93.2	106	105	95.5	42.7	68.5	72.8	40.8
9924	Oxygen, Dissolved as O2	mg/l	11.8	11.6	12.1	12.9	11.7	9.88	4.04	6.6	7.03	3.84

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sampling point Marsham Swr Ds Tribs- Cliffend

Determinands

Sampling results

Samples from 17 Oct 2023 to 16 Jul 2024

Samples from 14 Dec 2022 to 11 Sep 2023

sampling point
Marsham Swr Ds Tribs- Cliffend