sampling point
Botany Strm U/S Tonbridge Stw

Description	UPSTREAM TONBRIDGE SEWAGEWORKS BOTANY STREAM
Sampling point ID	SO-E0000782
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 559893 146293 lat lon: 51.193488, 0.286884
Area	Kent And South London
Sub-Area	L&W Medway And Rother Ksl
Summary	125 samples taken between 2010 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
NATGRIDREF
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 125 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Sep 2009 to 11 Mar 2010

Notation	Determinand	Units	11 Sep 2009 11:07	1 Oct 2009 11:52	3 Nov 2009 09:30	26 Nov 2009 14:38	2 Dec 2009 10:49	8 Dec 2009 15:53	29 Dec 2009 16:13	12 Jan 2010 12:46	4 Feb 2010 08:40	11 Mar 2010 10:11
0061	pH		7.78	7.56	7.42	7.44	6.78	7.47	7.53	7.34	7.45	7.11
0076	Temperature of Water	°C	16.1	14.14	11.54	9.83	7.8	8.42	4.51	2.75	5.16	4.79
0077	Conductivity at 25 C	μs/cm	484	499	405	296	299.2	259	324	420	365	328
0111	Ammoniacal Nitrogen as N	mg/l	0.224	0.043	0.125	0.073	0.056	0.083	0.14	0.333	0.151	0.122
0116	Nitrogen, Total Oxidised as N	mg/l	3.42	4.82	4.62	3.66	3.18	2.68	3.29	3.92	3.98	4.03
0117	Nitrate as N	mg/l	3.37	4.8	4.59	3.64	3.16	2.66	3.25	3.86	3.94	4
0118	Nitrite as N	mg/l	0.0471	0.0165	0.0349	0.024	0.0209	0.0207	0.038	0.0634	0.0425	0.0255
0119	Ammonia un-ionised as N	mg/l	0.00388	0.00039	0.00068	0.00037	5.0e-05	0.0004	0.00058	0.00079	0.00055	0.0002
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	112	98	77	51	51	53	56	59	60	59
0180	Orthophosphate, reactive as P	mg/l	0.962	1.08	0.915	0.192	0.194	0.139	0.149	0.278	0.222	0.218
9901	Oxygen, Dissolved, % Saturation	%	72.4	93	77.3	86.5	142.9	96.3	75.6	95.5	102.7	107.6
9924	Oxygen, Dissolved as O2	mg/l	7.11	9.53	8.4	9.78	17	11.3	9.77	12.9	13	13.8

Samples from 29 Aug 2008 to 18 Aug 2009

Notation	Determinand	Units	29 Aug 2008 11:40	25 Sep 2008 10:08	28 Oct 2008 10:39	10 Nov 2008 10:44	12 Dec 2008 10:58	7 Apr 2009 07:41	12 May 2009 09:55	18 Jun 2009 07:45	16 Jul 2009 07:25	18 Aug 2009 11:41
0061	pH		7.28	7.58	7.6	7.25	7.41	8.64	7.73	7.57	7.36	7.68
0076	Temperature of Water	°C	17.76	13.4	9.46	10.5	3.12	11.45	12.98	16.98	18.04	18.97
0077	Conductivity at 25 C	μs/cm	428	420	391	305	384	394	422	419	449	442
0111	Ammoniacal Nitrogen as N	mg/l	0.076	0.043	< 0.03	0.305	0.081	< 0.03	0.047	0.072	0.072	0.063
0116	Nitrogen, Total Oxidised as N	mg/l	3.3	3.72	3.35	3.2	3.91	3.83	4.1	4	3.93	3.57
0117	Nitrate as N	mg/l	3.27	3.71	3.33	3.17	3.88	3.82	4.07	3.97	3.9	3.55
0118	Nitrite as N	mg/l	0.0272	0.0127	0.025	0.0347	0.033	0.0149	0.0309	0.0331	0.0325	0.0222
0119	Ammonia un-ionised as N	mg/l	0.00048	0.00039	< 0.00021	0.00104	0.00023	< 0.00061	0.00058	0.00083	0.00055	0.00108
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	82	89	86	65	70	73	81	81	91	96
0180	Orthophosphate, reactive as P	mg/l	0.648	0.614	0.674	0.307	0.339	0.369	0.495	0.634	0.704	0.759
9901	Oxygen, Dissolved, % Saturation	%	87.5	98.2	88.6	94.4	106.1	97.5	80.3	70.5	71.3	75.1
9924	Oxygen, Dissolved as O2	mg/l	8.3	10.2	10.1	10.5	14.2	10.6	8.44	6.8	6.73	6.95

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sampling point Botany Strm U/S Tonbridge Stw

Determinands

Sampling results

Samples from 11 Sep 2009 to 11 Mar 2010

Samples from 29 Aug 2008 to 18 Aug 2009

sampling point
Botany Strm U/S Tonbridge Stw