sampling point
Tenterden Road Bridge

Description	TENTERDEN ROAD BRIDGE OVER TENTERDEN SEWER, READING STREET
Sampling point ID	SO-E0004851
Type	Freshwater – Rivers
Status	open
Location	easting northing: 592570 130588 lat lon: 51.042363, 0.745623
Area	Kent And South London
Sub-Area	L&W Kent And East Sussex Ksl
Summary	70 samples taken between 2024 and 2009

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.

14 determinands have been measured at this site

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

Displaying the twenty most recent samples. You can see all 70 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Sep 2022 to 12 Aug 2024

Notation	Determinand	Units	6 Sep 2022 09:50	4 Oct 2022 09:21	4 Nov 2022 12:24	9 Dec 2022 13:04	17 Jan 2023 12:35	2 Feb 2023 14:54	1 Mar 2023 10:14	14 Jun 2024 11:50	4 Jul 2024 08:29	12 Aug 2024 12:30
0061	pH		7.29	7.28	7.46	7.36	7.44	7.64	7.86	7.71	7.58	7.46
0076	Temperature of Water	°C	18.2	13.1	11.8	2.3	4.5	6.8	3.9	15.5	16.7	21.9
0077	Conductivity at 25 C	μs/cm	741	670	680	628	343	572	611	556	617	648
0111	Ammoniacal Nitrogen as N	mg/l	0.12	0.041	0.061	0.32	0.081	0.18	0.3	0.046		< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	2	3.1	2.9	2.5	1.1	< 0.2		< 0.2
0117	Nitrate as N	mg/l	< 0.196	< 0.196	1.95	3.04	2.88	2.47	1.08	< 0.196		< 0.196
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.052	0.061	0.019	0.027	0.021	< 0.004		< 0.004
0119	Ammonia un-ionised as N	mg/l	0.0008	0.00018	0.00037	0.00076	0.00027	0.00114	0.00254	0.00065		< 0.00039
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	200	170	200	160	93	150	170	180		170
0180	Orthophosphate, reactive as P	mg/l	0.39	0.11	0.25	0.056	0.18	< 0.01	0.047	0.038		0.1
9901	Oxygen, Dissolved, % Saturation	%	21.2	39.8	41.9	53.4	81.7	78.2	77.5	86.2	72.1	72.4
9924	Oxygen, Dissolved as O2	mg/l	1.99	4.17	4.53	7.31	10.6	9.53	10.2	8.58	6.99	6.33

Samples from 4 Feb 2016 to 19 Aug 2022

Notation	Determinand	Units	4 Feb 2016 11:01	6 May 2016 11:06	4 Aug 2016 12:30	10 Nov 2016 11:48	16 Mar 2017 11:11	1 Apr 2022 09:29	13 May 2022 08:23	26 Jul 2022 11:28	16 Aug 2022 08:43	19 Aug 2022 12:06
0061	pH		7.65	8.09	7.49	7.97	7.85	8.33	7.59	7.37	7.54	7.36
0076	Temperature of Water	°C	6	15.7	18.7	6	11.4	6.7	15.4	19.2	19.4	19.8
0077	Conductivity at 25 C	μs/cm	498	559	387	623	607	613	664	655	696	677
0111	Ammoniacal Nitrogen as N	mg/l	0.075	< 0.03	< 0.03	< 0.03	0.062	0.034	0.25	0.08	0.093	0.097
0116	Nitrogen, Total Oxidised as N	mg/l	2.26	< 0.2	< 0.2	0.57	1.59	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2
0117	Nitrate as N	mg/l	2.24	< 0.196	< 0.196	0.559	1.57	< 0.196	< 0.196	< 0.196	< 0.196	< 0.196
0118	Nitrite as N	mg/l	0.016	< 0.004	< 0.004	0.0112	0.0156	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00046	< 0.00083	< 0.00033	< 0.00038	0.00089	0.00049	0.00267	0.00069	0.00119	0.00085
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	143	146	122	185	146	180	190	170	180	180
0180	Orthophosphate, reactive as P	mg/l	0.063	< 0.01	0.133	0.01	0.025	0.013	0.058	0.4	0.42	0.45
9901	Oxygen, Dissolved, % Saturation	%	91.5	121.1	53.7	75.2	103.9	104.9	69.2	27.2	54.3	29.4
9924	Oxygen, Dissolved as O2	mg/l	11.4	12	5	9.35	11.3	12.8	6.9	2.51	4.98	2.68

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sampling point Tenterden Road Bridge

Determinands

Sampling results

Samples from 6 Sep 2022 to 12 Aug 2024

Samples from 4 Feb 2016 to 19 Aug 2022

sampling point
Tenterden Road Bridge