sampling point
Medway Ensfield Bridge

Description	ENSFIELD BRIDGE LEIGH RIVER MEDWAY
Sampling point ID	SO-E0000403
Type	Freshwater – Rivers
Status	open
Location	easting northing: 554800 145300 lat lon: 51.185967, 0.213629
Area	Kent And South London
Sub-Area	L&W Kent And East Sussex Ksl
Summary	185 samples taken between 2023 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.

29 determinands have been measured at this site

12-DCA
Alky pH 4.5
Ammonia(N)
BOD ATU
COD as O2
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
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Sld Sus@105C
Temp Water
TurbidityNTU
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 185 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Jun 2022 to 13 Mar 2023

Notation	Determinand	Units	22 Jun 2022 09:10	18 Jul 2022 14:40	11 Aug 2022 08:13	14 Sep 2022 15:30	12 Oct 2022 08:23	22 Nov 2022 15:48	13 Dec 2022 11:10	23 Jan 2023 15:32	9 Feb 2023 12:57	13 Mar 2023 15:17
0061	pH		7.59	7.72	7.7	7.64	7.74	7.53	7.39	7.48	7.54	7.56
0076	Temperature of Water	°C	17.5	21	18.8	17.2	10.2	8.7	2.7	3.5	4.7	9.3
0077	Conductivity at 25 C	μs/cm	470	496	512	428	471	260	374	311	348	319
0085	BOD : 5 Day ATU	mg/l	1	1	< 1	1.4	2.3	1.5	1.7	1.9	< 1	1.7
0111	Ammoniacal Nitrogen as N	mg/l	0.031	< 0.03	< 0.03	0.1	< 0.03	0.071	0.18	0.11	0.046	0.091
0116	Nitrogen, Total Oxidised as N	mg/l	5.6	5.6	5.9	4.6	6.1	2.7	4.8	3.5	4.5	3
0117	Nitrate as N	mg/l	5.58	5.59	5.89	4.57	6.09	2.68	4.74	3.46	4.48	2.94
0118	Nitrite as N	mg/l	0.018	0.0086	0.0072	0.027	0.008	0.022	0.056	0.038	0.024	0.062
0119	Ammonia un-ionised as N	mg/l	0.00039	< 0.00065	< 0.00053	0.00137	< 0.00031	0.0004	0.00047	0.00038	0.0002	0.00058
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	87	91	93	82	78	59	60	60	64	61
0180	Orthophosphate, reactive as P	mg/l	0.39	0.49	0.54	0.36	0.32	0.12	0.18	0.12	0.18	0.13
6396	Turbidity	ntu	8.2	13	6.4	9.2	8.8				5.9
9901	Oxygen, Dissolved, % Saturation	%	86.4	93.2	84.7	83.6	91.5	92.4	95.5	95.7	94.6	99.1
9924	Oxygen, Dissolved as O2	mg/l	8.24	8.29	7.87	8.03	10.3	10.7	12.9	12.7	12.2	11.4

Samples from 3 May 2013 to 16 May 2022

Notation	Determinand	Units	3 May 2013 10:19	22 May 2013 14:40	26 Jun 2013 11:37	2 Aug 2013 14:42	10 Sep 2013 11:24	1 Oct 2013 14:36	30 Oct 2013 15:35	22 Nov 2013 14:00	21 Apr 2022 12:45	16 May 2022 08:57
0061	pH		8.93	8.08	7.82	7.81	7.86	7.93	7.37	7.65	8.41	7.57
0076	Temperature of Water	°C	10.9	12.8	15.2	20.8	13.5	14	10.6	6.2	12.6	14.9
0077	Conductivity at 25 C	μs/cm									415	326
0085	BOD : 5 Day ATU	mg/l									3.2	1.7
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.033	< 0.03	< 0.03	< 0.03	0.058	0.051	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l									4.8	2.7
0117	Nitrate as N	mg/l									4.79	2.68
0118	Nitrite as N	mg/l	0.0141	0.0313	0.0233	0.0128	0.0086	0.0087	0.0204	0.0258	0.013	0.019
0119	Ammonia un-ionised as N	mg/l	< 0.00058	< 0.00067	0.00059	< 0.00078	< 0.00052	< 0.00063	0.00026	0.00032	< 0.00066	< 0.0003
0135	Solids, Suspended at 105 C	mg/l	15.7	12.3	13.1	11.5	< 3	6.08	26.4	13.5
0162	Alkalinity to pH 4.5 as CaCO3	mg/l									69	68
0180	Orthophosphate, reactive as P	mg/l									0.24	0.24
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0
6396	Turbidity	ntu									11	20
6450	Copper, Dissolved	μg/l	3.14	2.58	3.18	3.24	3.15	3.48	4.42	2.7
6455	Zinc	μg/l	9.28	10.1	7.37	7.55	6.14	5.38	12.9	9.63
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	93.7	89.6	87.8	88.9	88.9	89.5	84.8	99.2	100.3	84.8
9924	Oxygen, Dissolved as O2	mg/l	10.3	9.46	8.79	7.94	9.24	9.2	9.42	12.3	10.6	8.55

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sampling point Medway Ensfield Bridge

Determinands

Sampling results

Samples from 22 Jun 2022 to 13 Mar 2023

Samples from 3 May 2013 to 16 May 2022

sampling point
Medway Ensfield Bridge