sampling point
Black Ditch Lyminster Bridge

Description	RIVER ARUN TRIBUTARY BLACK DITCH AT LYMINSTER BRIDGE
Sampling point ID	SO-F0002839
Type	Freshwater – Rivers
Status	open
Location	easting northing: 502500 104400 lat lon: 50.830068, -0.545936
Area	Solent And South Downs
Sub-Area	L&W East Ssd
Summary	141 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.

27 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
Oil & Grs Vs
Orthophospht
Oxygen Diss
PhenolicOdor
SALinsitu
Temp Water
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 141 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Jul 2022 to 2 Mar 2023

Notation	Determinand	Units	22 Jul 2022 09:50	8 Aug 2022 11:07	7 Sep 2022 10:28	4 Oct 2022 10:54	15 Nov 2022 10:26	6 Dec 2022 11:43	27 Jan 2023 10:02	28 Feb 2023 11:50	28 Feb 2023 11:51	2 Mar 2023 13:08
0061	pH		7.45	7.7	7.51	7.54	7.35	7.52	7.42	7.54	7.62	7.78
0076	Temperature of Water	°C	19.5	18.2	17.9	14.4	12.1	9.1	8.5	8.2	8.2	8.5
0077	Conductivity at 25 C	μs/cm	807	823	730	799	820	790	825	773	773	779
0111	Ammoniacal Nitrogen as N	mg/l	0.048	0.041	0.064	< 0.03	0.074	0.054	0.037	< 0.03		< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	6.1	7.9	5.2	7.6	7.4	8	8.2	9.1		8.9
0117	Nitrate as N	mg/l	6.04	7.83	5.15	7.56	7.36	7.98	8.19	9.09		8.89
0118	Nitrite as N	mg/l	0.064	0.069	0.051	0.036	0.044	0.024	0.013	0.0091		0.0095
0119	Ammonia un-ionised as N	mg/l	0.00051	0.00069	0.00069	< 0.00027	0.00036	0.00031	0.00016	< 0.00017		< 0.0003
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	260	270	230	260	250	260	250	270		270
0180	Orthophosphate, reactive as P	mg/l	0.016	< 0.01	0.12	0.014	0.084	0.048	0.038	0.026		0.028
7434	National Grid Reference : Whole : Field report									1
9901	Oxygen, Dissolved, % Saturation	%	55.6	82.5	63.4	83.5	62.5	73.3	72.4	98	98	95
9924	Oxygen, Dissolved as O2	mg/l	5.09	7.76	6	8.51	6.71	8.44	8.46	11.5	11.5	11.1

Samples from 4 Jun 2018 to 6 Jun 2022

Notation	Determinand	Units	4 Jun 2018 10:28	7 Aug 2018 10:21	5 Sep 2018 10:20	4 Oct 2018 10:14	4 Dec 2018 10:19	9 Jan 2019 12:04	7 Mar 2019 13:39	21 Apr 2022 13:24	5 May 2022 10:33	6 Jun 2022 10:27
0061	pH		7.51	7.91	7.85	7.82	7.64	7.73	7.89	7.81	8.08	7.5
0076	Temperature of Water	°C	14.3	19.7	14.5	13	8.2	7.3	10.5	14.4	13.6	14.4
0077	Conductivity at 25 C	μs/cm	784	752	843	794	753	778	750	777	987	800
0111	Ammoniacal Nitrogen as N	mg/l	0.087	0.066	< 0.03	0.053	0.122	0.072	< 0.03	< 0.03	< 0.03	0.098
0116	Nitrogen, Total Oxidised as N	mg/l	7.79	7.22	7.85	7.92	7.22	8.91	6.32	7.8	7.7	7.5
0117	Nitrate as N	mg/l	7.76	7.16	7.81	7.88	7.18	8.9	6.31	7.76	7.64	7.42
0118	Nitrite as N	mg/l	0.034	0.0609	0.0374	0.044	0.0389	0.0127	0.0126	0.041	0.058	0.081
0119	Ammonia un-ionised as N	mg/l	0.00071	0.00199	< 0.00054	0.0008	0.00086	0.00058	< 0.00044	< 0.00049	< 0.00071	0.00079
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	264	253	274	276	233	273	228	260	260	260
0180	Orthophosphate, reactive as P	mg/l	0.053	0.025	0.02	0.034	0.086	0.045	0.042	< 0.01	< 0.01	0.042
9901	Oxygen, Dissolved, % Saturation	%	72.5	99.2	71.1	59.7	62.9	90.4	98.7	124.3	115.1	81.4
9924	Oxygen, Dissolved as O2	mg/l	7.4	9.05	7.23	6.28	7.4	10.9	11	12.7	11.9	8.29

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sampling point Black Ditch Lyminster Bridge

Determinands

Sampling results

Samples from 22 Jul 2022 to 2 Mar 2023

Samples from 4 Jun 2018 to 6 Jun 2022

sampling point
Black Ditch Lyminster Bridge