sampling point
Hexden Road Bridge A28

Description	HEXDEN ROAD BRIDGE -A28 ROAD ON HEXDEN CHANNEL
Sampling point ID	SO-E0001706
Type	Freshwater – Rivers
Status	open
Location	easting northing: 583000 128400 lat lon: 51.025834, 0.608159
Area	Kent And South London
Sub-Area	L&W Kent And East Sussex Ksl
Summary	219 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

Alky pH 4.5
Ammonia(N)
BOD ATU
C - Org Filt
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
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 219 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Jun 2022 to 1 Mar 2023

Notation	Determinand	Units	10 Jun 2022 13:03	21 Jul 2022 13:23	4 Aug 2022 10:03	15 Sep 2022 11:47	14 Oct 2022 12:31	8 Nov 2022 10:51	7 Dec 2022 12:59	31 Jan 2023 12:34	22 Feb 2023 11:09	1 Mar 2023 11:48
0061	pH		7.62	7.57	7.91	7.37	7.38	7.3	7.36	7.68	7.61	7.72
0076	Temperature of Water	°C	16	20	19.6	16.1	12	12.6	6	6.6	7.5	5.2
0077	Conductivity at 25 C	μs/cm	420	496	533	530	532	380	382	348	380	415
0111	Ammoniacal Nitrogen as N	mg/l	0.046	0.091	0.07	0.032	< 0.03	0.11	0.049	0.11	0.071	0.048
0116	Nitrogen, Total Oxidised as N	mg/l	4.5	5.6	6.2	4.5	6.1	6	4	4.1	4.3	4.2
0117	Nitrate as N	mg/l	4.48	5.56	6.17	4.48	6.08	5.96	3.98	4.07	4.27	4.17
0118	Nitrite as N	mg/l	0.023	0.042	0.028	0.016	0.019	0.041	0.021	0.028	0.032	0.029
0119	Ammonia un-ionised as N	mg/l	0.00055	0.00131	0.0021	0.00022	< 0.00015	0.00049	0.00015	0.00075	0.00044	0.00032
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	95	110	120	110	100	67	78	62	71	70
0180	Orthophosphate, reactive as P	mg/l	0.093	0.11	0.094	0.076	0.074	0.053	0.043	0.049	0.049	0.03
6396	Turbidity	ntu	6.3	6.7	9.7	5.5	11					3.8
9901	Oxygen, Dissolved, % Saturation	%	82.9	50.7	84.9	71.5	82.3	77.1	91.1	96.6	96.4	101.1
9924	Oxygen, Dissolved as O2	mg/l	8.16	4.6	7.76	7.02	8.85	8.18	11.3	11.8	11.5	12.8

Samples from 5 Apr 2017 to 13 May 2022

Notation	Determinand	Units	5 Apr 2017 10:37	6 Jul 2017 11:29	11 Oct 2017 13:22	21 Feb 2018 10:30	25 Jun 2018 10:24	31 Aug 2018 11:43	22 Nov 2018 10:48	13 Mar 2019 08:19	1 Apr 2022 13:09	13 May 2022 10:48
0061	pH		7.9	7.95	7.44	7.61	7.4	7.82	7.63	8.51	7.8	7.7
0076	Temperature of Water	°C	10.6	19	13	6	16.5	15.7	4.4	6.4	5.4	13.9
0077	Conductivity at 25 C	μs/cm	434	534	535	416	417	435	546	319	390	412
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.048	0.061	0.144	0.032	0.042	0.05	0.057	0.035	0.042
0116	Nitrogen, Total Oxidised as N	mg/l	4.25	4.81	3.88	5.81	5.09	3.73	7.44	4.58	4.1	4.4
0117	Nitrate as N	mg/l	4.23	4.76	3.85	5.77	5.07	3.71	7.39	4.57	4.08	4.36
0118	Nitrite as N	mg/l	0.02	0.048	0.0337	0.0385	0.02	0.0189	0.0462	0.0137	0.018	0.038
0119	Ammonia un-ionised as N	mg/l	< 0.00046	0.00151	0.00039	0.0008	0.00024	0.00077	0.00026	0.0008	0.00029	0.00052
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	88	100	128	83	82	99	102	68	76	87
0180	Orthophosphate, reactive as P	mg/l	0.451	0.617	0.964	0.19	0.488	0.422	0.499	0.078	0.041	0.059
6396	Turbidity	ntu									9.4
9901	Oxygen, Dissolved, % Saturation	%	92.5	86.4	72.1	96.5	83.5	98.5	75.1	91.3	105.2	103.4
9924	Oxygen, Dissolved as O2	mg/l	10.3	7.99	7.58	12	8.13	9.76	9.73	11.2	13.3	10.7

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sampling point Hexden Road Bridge A28

Determinands

Sampling results

Samples from 10 Jun 2022 to 1 Mar 2023

Samples from 5 Apr 2017 to 13 May 2022

sampling point
Hexden Road Bridge A28