sampling point
D/S Haxted Mill

Description	RSN1617 D/S HAXTED MILL
Sampling point ID	SO-RSN1617
Type	Freshwater – Rivers
Status	open
Location	easting northing: 541756 145150 lat lon: 51.188, 0.027056
Area	Kent And South London
Sub-Area	L&W Kent And East Sussex Ksl
Summary	22 samples taken between 2022 and 2021

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)
C - Org Filt
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
Nitrogen - N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
SiO2 Rv
Temp Water
pH

Displaying the twenty most recent samples. You can see all 22 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Mar 2022 to 9 Dec 2022

Notation	Determinand	Units	23 Mar 2022 09:03	13 Apr 2022 08:09	10 May 2022 12:53	29 Jun 2022 08:28	26 Jul 2022 11:14	18 Aug 2022 12:48	28 Sep 2022 14:24	18 Oct 2022 09:20	22 Nov 2022 09:31	9 Dec 2022 11:21
0061	pH		8.1	8.45	7.7	7.93	7.51	7.43	7.68	7.53	7.57	7.92
0076	Temperature of Water	°C	9.6	12	16.1	15.8	18.3	18.9	12.2	11.8	7.9	3.1
0077	Conductivity at 25 C	μs/cm	666	665	647	1060	653	689	652	642	405	594
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.12	0.034	0.046	0.056		< 0.03	0.34	0.11
0116	Nitrogen, Total Oxidised as N	mg/l	7.5	10	12	11	11	14		12	5.5	9.5
0117	Nitrate as N	mg/l	7.48	9.96	11.9	11	11	13.9		12	5.42	9.32
0118	Nitrite as N	mg/l	0.02	0.036	0.11	0.025	0.034	0.075		0.027	0.079	0.18
0119	Ammonia un-ionised as N	mg/l	< 0.00053	< 0.00063	0.00174	0.00081	0.00051	0.00054		< 0.00021	0.00199	0.00101
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	170	140	120	120	120	97		120	130	150
0172	Chloride	mg/l	52	58	53	55	57	61		52	26	41
0180	Orthophosphate, reactive as P	mg/l	0.45	0.52	0.81	0.87	0.92	0.92		0.68	0.29	0.44
0182	Silica, reactive as SiO2	mg/l	10	3.6	9.6	13	15	16		15	11	15
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	5	5.2	4.9	4.8	4.7	7.6		5.3	9.3	6.1
0348	Phosphorus, Total as P	mg/l	0.5	0.62	0.93	0.96	1	1		0.78	0.39	0.5
9686	Nitrogen, Total as N	mg/l	8.4	12	13	13	12	14		13	7.3	9.8
9901	Oxygen, Dissolved, % Saturation	%	96.1	99.3	84.5	86.9	65.1	68.9	73.7	79.7	90.2	94.2
9924	Oxygen, Dissolved as O2	mg/l	10.9	10.7	8.3	8.59	6.11	6.38	7.89	8.6	10.7	12.6

Samples from 17 May 2021 to 9 Feb 2022

Notation	Determinand	Units	17 May 2021 15:16	10 Jun 2021 12:34	9 Jul 2021 13:48	20 Aug 2021 09:56	10 Sep 2021 11:24	8 Oct 2021 11:28	16 Nov 2021 13:00	7 Dec 2021 09:23	11 Jan 2022 11:35	9 Feb 2022 08:40
0061	pH		7.84	7.82	7.82	7.83	7.6	7.61	8.01	7.8	7.93	8.03
0076	Temperature of Water	°C	13.9	19.2	18.5	17.3	18	14.1	10.6	4.8	7.2	8.5
0077	Conductivity at 25 C	μs/cm	547	648	600	640	669	561	619	569	590	692
0111	Ammoniacal Nitrogen as N	mg/l	0.26	0.095	0.031	0.03	0.036	0.048	< 0.03	0.19	0.14	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.9	9.6	5.3	9.6	8.1	9.1	8.6	9.9	7.2	8.4
0117	Nitrate as N	mg/l	6.78	9.54	5.28	9.58	8.07	9.05	8.46	9.82	7.13	8.37
0118	Nitrite as N	mg/l	0.12	0.063	0.025	0.02	0.026	0.048	0.14	0.082	0.067	0.027
0119	Ammonia un-ionised as N	mg/l	0.00439	0.00226	0.0007	0.00064	0.00048	0.00049	< 0.00057	0.0015	0.00177	< 0.00049
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	130	140	150	140	150	130	160	140	160	160
0172	Chloride	mg/l	49	55	51	52	55	44	47	45	48	58
0180	Orthophosphate, reactive as P	mg/l	0.49	0.61	0.46	0.54	0.76	0.32	0.61	0.45	0.3	0.45
0182	Silica, reactive as SiO2	mg/l	9.5	14	14	14	14	13	16	12	13	13
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	6.1	4.8	5.7	4.7	4.6	7.2	5.7	7.7	6.6	4.3
0348	Phosphorus, Total as P	mg/l	0.65	0.87	0.53	0.6	0.82	0.37	0.65	0.54	0.35	0.55
9686	Nitrogen, Total as N	mg/l	7.9	10	5.9	9.9	9.4	10	8.8	11	8.7	9.6
9901	Oxygen, Dissolved, % Saturation	%	92.4	87.2	95.3	78	73.6	88.4	92.5	90.1	92.2	96
9924	Oxygen, Dissolved as O2	mg/l	9.52	8.03	8.9	7.47	6.95	9.06	10.3	11.5	11.1	11.2

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sampling point D/S Haxted Mill

Determinands

Sampling results

Samples from 23 Mar 2022 to 9 Dec 2022

Samples from 17 May 2021 to 9 Feb 2022

sampling point
D/S Haxted Mill