sampling point
Rythe Stream Below Waffron Brook

Description	RYTHE STREAM BELOW WAFFRON BROOK
Sampling point ID	TH-PTHR0318
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 516500 166700 lat lon: 51.387391, -0.327134
Area	Kent And South London
Sub-Area	L&W South London Ksl
Summary	56 samples taken between 2019 and 2013

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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 56 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 26 Apr 2017 to 15 Mar 2019

Notation	Determinand	Units	26 Apr 2017 10:35	20 Mar 2018 13:49	26 Jul 2018 09:55	15 Aug 2018 09:43	13 Nov 2018 08:02	29 Nov 2018 10:24	14 Dec 2018 10:43	28 Dec 2018 09:49	19 Feb 2019 13:05	15 Mar 2019 11:09
0061	pH		8.02	7.85	7.98	7.92	8.3	7.7	8.05	7.72	7.9	7.91
0076	Temperature of Water	°C	8.2	5.1	20	17.6	10	10.8	5.3	7.1	7	9.5
0077	Conductivity at 25 C	μs/cm	791	890	758	725	675	529	794	734	860	653
0111	Ammoniacal Nitrogen as N	mg/l	0.033	0.109	0.051	0.05	0.24	0.162	0.088	0.066	0.123	0.481
0116	Nitrogen, Total Oxidised as N	mg/l	2.2	1.94	2.72	2.24	3.92	1.77	2.78	2.72	2.8	2.24
0117	Nitrate as N	mg/l	2.19	1.92	2.7	2.22	3.86	1.72	2.75	2.69	2.77	2.18
0118	Nitrite as N	mg/l	0.015	0.0193	0.0176	0.0182	0.0634	0.0496	0.0298	0.032	0.0253	0.0633
0119	Ammonia un-ionised as N	mg/l	0.00053	0.00099	0.00184	0.00133	0.00438	0.00159	0.00114	0.00051	0.00143	0.0069
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	175	140	218	164	137	115	140	152	147	152
0180	Orthophosphate, reactive as P	mg/l	0.585	0.14	1.54	0.859	0.334	0.278	0.288	0.203	0.231	0.335
9901	Oxygen, Dissolved, % Saturation	%	84.2	91.9	64.2	68.5	85.6	74.9	82.9	92.5	89.3	87.5
9924	Oxygen, Dissolved as O2	mg/l	9.91	11.7	5.82	6.52	9.64	8.28	10.5	11.2	10.8	9.98

Samples from 26 Feb 2016 to 23 Feb 2017

Notation	Determinand	Units	26 Feb 2016 12:46	11 Mar 2016 10:27	25 May 2016 12:10	28 Jun 2016 12:07	26 Aug 2016 14:18	28 Sep 2016 09:40	28 Oct 2016 08:35	18 Nov 2016 09:32	30 Jan 2017 10:40	23 Feb 2017 10:48
0061	pH		8.01	7.88	7.95	7.83	7.87	7.68	8.02	7.62	7.98	7.5
0076	Temperature of Water	°C	5.3	5.5	12.2	15.6	19.5	14.8	12.2	8.4	6.4	9.2
0077	Conductivity at 25 C	μs/cm	752	575	687	657	737	684	713	700	858	765
0111	Ammoniacal Nitrogen as N	mg/l	0.094	0.082	0.311	0.07	0.064	0.044	< 0.03	0.169	0.354	0.186
0116	Nitrogen, Total Oxidised as N	mg/l	1.83	1.86	1.77	1.85	1.67	2.11	2.41	2.75	2.26	1.92
0117	Nitrate as N	mg/l	1.81	1.84	1.68	1.82	1.65	2.1	2.39	2.68	2.21	1.87
0118	Nitrite as N	mg/l	0.0234	0.019	0.0874	0.0327	0.0184	0.0149	0.0184	0.0683	0.0508	0.0461
0119	Ammonia un-ionised as N	mg/l	0.00121	0.00082	0.00595	0.00131	0.00174	0.00055	< 0.00064	0.00115	0.00474	0.00102
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	152	113	161	150	193	170	169	176	131	126
0180	Orthophosphate, reactive as P	mg/l	0.134	0.136	0.385	0.216	1.13	0.852	0.74	0.603	0.244	0.239
9901	Oxygen, Dissolved, % Saturation	%	92.4	89.3	83.3	88.4	70.1	76.4	77.9	69.9	88.1	77.5
9924	Oxygen, Dissolved as O2	mg/l	11.7	11.2	8.92	8.78	6.42	7.72	8.34	8.18	10.8	8.9

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sampling point Rythe Stream Below Waffron Brook

Determinands

Sampling results

Samples from 26 Apr 2017 to 15 Mar 2019

Samples from 26 Feb 2016 to 23 Feb 2017

sampling point
Rythe Stream Below Waffron Brook