sampling point
Dark Wtr Gatewood Ar

Description	DARK WATER AT GATEWOOD BRIDGE
Sampling point ID	SO-G0004128
Type	Freshwater – Rivers
Status	open
Location	easting northing: 443346 101417 lat lon: 50.810687, -1.386144
Area	Solent And South Downs
Sub-Area	L&W West Ssd
Summary	245 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.

29 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 Organic
N Oxidised
N-Kjeldahl
NH3 un-ion
Nitrate-N
Nitrite-N
Nitrogen - N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphate
Phosphorus-P
Sld Sus@105C
Temp Water
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 245 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 24 Apr 2024 to 8 Jul 2024

Notation	Determinand	Units	24 Apr 2024 11:36	8 May 2024 16:40	20 May 2024 11:45	29 May 2024 16:00	4 Jun 2024 08:56	11 Jun 2024 09:25	18 Jun 2024 11:05	24 Jun 2024 11:49	1 Jul 2024 09:16	8 Jul 2024 09:18
0061	pH								7.33
0076	Temperature of Water	°C	8.6	15	14.8	15.6	14.5	11.4	13.8	15.5	14.8	13.4
0077	Conductivity at 25 C	μs/cm							233
0085	BOD : 5 Day ATU	mg/l							< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.033	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.019	< 0.03	< 0.03	< 0.03
0113	Nitrogen, Organic as N	mg/l	0.307		0.47	0.68	0.45	0.37	0.461	0.47	0.37	0.44
0114	Nitrogen, Kjeldahl as N	mg/l	0.34		0.5	0.71	0.48	0.4	0.48	0.5	0.4	0.47
0116	Nitrogen, Total Oxidised as N	mg/l	0.76	0.5	0.7	0.49	0.92	1.1	0.92	1.1	1.2	0.63
0117	Nitrate as N	mg/l	0.74	0.496	0.695	0.486	0.916	1.1	0.916	1.1	1.2	0.626
0118	Nitrite as N	mg/l	< 0.02	0.0041	0.0052	0.0043	0.0042	< 0.004	0.0045	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l							0.0001
0135	Solids, Suspended at 105 C	mg/l	4.1	3	6.6	6.8	4.8	4.3	< 3	4.9	3.4	4
0162	Alkalinity to pH 4.5 as CaCO3	mg/l							38
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.011	0.011	< 0.01	< 0.01	< 0.01	0.011	0.011	0.011	< 0.01
0192	Phosphate :- {TIP}	mg/l	< 0.02	< 0.02	< 0.02	< 0.02	< 0.02	0.16	< 0.02	< 0.02	0.023	< 0.02
0348	Phosphorus, Total as P	mg/l	0.016		0.02	0.019	0.019	0.015	0.019	0.02	0.023	0.017
9686	Nitrogen, Total as N	mg/l	1.1		1.2	1.2	1.4	1.5	1.4	1.6	1.6	1.1
9901	Oxygen, Dissolved, % Saturation	%							93.6
9924	Oxygen, Dissolved as O2	mg/l							9.66

Samples from 19 Feb 2024 to 17 Apr 2024

Notation	Determinand	Units	19 Feb 2024 14:20	26 Feb 2024 08:30	4 Mar 2024 11:52	12 Mar 2024 13:31	19 Mar 2024 12:08	27 Mar 2024 12:12	4 Apr 2024 11:13	8 Apr 2024 11:15	17 Apr 2024 12:51	17 Apr 2024 12:52
0061	pH		6.95				7.23				7.53
0076	Temperature of Water	°C	10.3	5.8	6	9.8	10.9	8.4	11.5	11.8	9.9	9.9
0077	Conductivity at 25 C	μs/cm	138				168				205
0085	BOD : 5 Day ATU	mg/l	1.1				< 2				< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.039	< 0.03	0.065	0.046	0.037	0.045	0.044	0.032	0.04	0.038
0113	Nitrogen, Organic as N	mg/l	0.651	0.57	0.395	0.664	0.533	0.575	0.486	0.378		0.422
0114	Nitrogen, Kjeldahl as N	mg/l	0.69	0.6	0.46	0.71	0.57	0.62	0.53	0.41		0.46
0116	Nitrogen, Total Oxidised as N	mg/l	0.51	0.31	0.64	0.29	0.53	0.38	0.35	0.59	0.67	0.64
0117	Nitrate as N	mg/l	0.506	0.306	0.636	0.286	0.524	0.376	0.346	0.586	0.662	0.635
0118	Nitrite as N	mg/l	0.0036	< 0.004	< 0.004	< 0.004	0.0062	< 0.004	< 0.004	0.0044	0.0078	0.005
0119	Ammonia un-ionised as N	mg/l	7.0e-05				0.00012				0.00025
0135	Solids, Suspended at 105 C	mg/l	8.1	11	6.3	27	8.9	19	8.9	5.5		6.5
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	27				29				32
0180	Orthophosphate, reactive as P	mg/l	0.0083	0.01	0.011	< 0.01	0.0054	< 0.01	0.019	< 0.01	0.0051	< 0.01
0192	Phosphate :- {TIP}	mg/l	< 0.02	0.02	< 0.02	< 0.02	< 0.02	< 0.02	0.031	< 0.02		< 0.02
0348	Phosphorus, Total as P	mg/l	0.023	0.025	0.015	0.036	0.02	0.031	0.027	0.015		< 0.01
9686	Nitrogen, Total as N	mg/l	1.2	0.91	1.1	1	1.1	1	0.88	1		1.1
9901	Oxygen, Dissolved, % Saturation	%	95.3				95.4				95.7
9924	Oxygen, Dissolved as O2	mg/l	10.7				10.5				10.8

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sampling point Dark Wtr Gatewood Ar

Determinands

Sampling results

Samples from 24 Apr 2024 to 8 Jul 2024

Samples from 19 Feb 2024 to 17 Apr 2024

sampling point
Dark Wtr Gatewood Ar