sampling point
Road Br Willingford R Dudwell

Description	ROAD BRIDGE AT WILLINGFORD ON RIVER DUDWELL
Sampling point ID	SO-E0001764
Type	Freshwater – Rivers
Status	open
Location	easting northing: 565665 122606 lat lon: 50.979031, 0.358561
Area	Kent And South London
Sub-Area	L&W Kent And East Sussex Ksl
Summary	222 samples taken between 2024 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.

28 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
OrthophsFilt
Oxygen Diss
Phosphate
Phosphorus-P
Temp Water
TurbidityNTU
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 222 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Sep 2022 to 28 Aug 2024

Notation	Determinand	Units	7 Sep 2022 14:29	5 Oct 2022 12:32	2 Nov 2022 10:15	2 Dec 2022 10:22	19 Jan 2023 11:45	2 Feb 2023 14:12	3 Mar 2023 10:54	18 Jul 2024 11:01	18 Jul 2024 11:11	28 Aug 2024 10:41
0061	pH		7.57	7.49	7.69	7.71	7.51	7.71	7.82	7.67		7.97
0076	Temperature of Water	°C	16.7	13.9	12.3	8.4	4.4	7.7	5.4	15		14.9
0077	Conductivity at 25 C	μs/cm	386	361	328	329	303	344	363	340		363
0085	BOD : 5 Day ATU	mg/l									1.2
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03		< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.21	0.38	0.63	0.7	0.84	0.72	0.5	0.37		0.39
0117	Nitrate as N	mg/l	0.206	0.376	0.626	0.696	0.836	0.716	0.496	0.366		0.386
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004		< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00034	< 0.00023	< 0.00032	< 0.00025	< 0.00012	< 0.00024	< 0.00026	< 0.00037		< 0.00073
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	140	110	80	97	81	98	120	110		120
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	0.016	0.016	< 0.01	0.012	0.012		0.016
6396	Turbidity	ntu	4.1	5.3					4.1
9901	Oxygen, Dissolved, % Saturation	%	83.6	87.5	87.3	92.4	95.4	98.7	97.5	87.7		90.4
9924	Oxygen, Dissolved as O2	mg/l	8.11	9.01	9.32	10.8	12.4	11.8	12.3	8.82		9.11

Samples from 11 Nov 2016 to 2 Aug 2022

Notation	Determinand	Units	11 Nov 2016 11:35	6 Dec 2016 10:49	10 Feb 2017 10:20	15 Mar 2017 11:10	20 Apr 2017 10:59	5 Apr 2022 16:12	11 May 2022 10:48	9 Jun 2022 10:04	12 Jul 2022 10:59	2 Aug 2022 12:56
0061	pH		7.91	7.89	7.5	7.82	7.57	7.84	8.06	7.79	7.66	7.72
0076	Temperature of Water	°C	6.6	3.8	5	9.6	7	10.3	12.8	13.1	15.9	17.1
0077	Conductivity at 25 C	μs/cm	354	394	333	344	375	348	851	388	397	391
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.478	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.81	0.28	1.13	0.63	0.29	0.5	0.38	0.41	0.25	0.27
0117	Nitrate as N	mg/l	0.804	0.273	1.13	0.626	0.286	0.496	0.376	0.406	0.246	0.266
0118	Nitrite as N	mg/l	0.0061	0.0068	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00035	0.0043	< 0.00012	< 0.00035	< 0.00016	< 0.00039	< 0.00067	< 0.00043	< 0.00039	< 0.00049
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	89	126	88	104	113	110	130	130	130	140
0180	Orthophosphate, reactive as P	mg/l	0.015	0.017	0.158	0.019	0.134	< 0.01	< 0.01	0.011	< 0.01	< 0.01
6396	Turbidity	ntu						6.8	9.3	11	4.4	3.9
9901	Oxygen, Dissolved, % Saturation	%	79.9	98.2	89.4	98.3	97.4	107.2	97.8	88.1	95.8	83.1
9924	Oxygen, Dissolved as O2	mg/l	9.78	12.9	11.4	11.2	11.8	12	10.3	9.24	9.45	7.99

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sampling point Road Br Willingford R Dudwell

Determinands

Sampling results

Samples from 7 Sep 2022 to 28 Aug 2024

Samples from 11 Nov 2016 to 2 Aug 2022

sampling point
Road Br Willingford R Dudwell