sampling point
Balmer Lawn

Description	RIVER LYMINGTON AT BALMER LAWN
Sampling point ID	SO-G0004188
Type	Freshwater – Rivers
Status	open
Location	easting northing: 430342 103089 lat lon: 50.826547, -1.570568
Area	Solent And South Downs
Sub-Area	L&W West Ssd
Summary	155 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.

25 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
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Sld Sus@105C
Temp Water
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 155 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 19 Jan 2023 to 6 Jun 2024

Notation	Determinand	Units	19 Jan 2023 10:11	23 Feb 2023 09:13	2 Mar 2023 16:35	2 May 2023 11:00	11 Jul 2023 15:13	4 Sep 2023 12:22	7 Nov 2023 12:08	11 Jan 2024 09:48	1 Mar 2024 13:38	6 Jun 2024 10:03
0061	pH		6.45	6.8	6.85	7.2	7.07	6.93	7.11	6.79	6.62	7.11
0076	Temperature of Water	°C	1.4	7.1	5.6	12.4	18.8	18.9	8.4	2.3	7.8	14
0077	Conductivity at 25 C	μs/cm	128	151	163	142	158	162	123	131	97	158
0085	BOD : 5 Day ATU	mg/l	1.2	1	1.2	1.2	1.5	< 2	1.2	1.5	1.6	< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.025	0.0072	0.0076	0.0073	0.025	0.0097	0.021	0.038	0.02	0.018
0116	Nitrogen, Total Oxidised as N	mg/l	0.17	0.12	0.14	0.045	0.12	0.12	0.12	0.19	0.088	0.2
0117	Nitrate as N	mg/l	0.169	0.119	0.139	0.0438	0.118	0.118	0.119	0.188	0.0864	0.196
0118	Nitrite as N	mg/l	0.0011	0.0013	0.0011	0.0012	0.0022	0.0018	0.0013	0.0018	0.0016	0.0038
0119	Ammonia un-ionised as N	mg/l	< 1.0e-05	< 1.0e-05	< 1.0e-05	3.0e-05	0.0001	3.0e-05	4.0e-05	2.0e-05	1.0e-05	6.0e-05
0135	Solids, Suspended at 105 C	mg/l	3.1	3.6	4.3	5.7	5.1	3.4	5.5	3.6	21	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	10	15	19	20	24	27	14	14	12	27
0180	Orthophosphate, reactive as P	mg/l	0.0056	0.0051	0.0076	0.0074	0.015	0.015	0.011	0.0071	0.0069	0.019
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	9.1	7.5	5.5	8.6	9.2	11	14	9.2	15	12
9901	Oxygen, Dissolved, % Saturation	%	91.4	92.3	97.8	92.9	86.4	81.6	90.5	93.3	98.1	86.4
9924	Oxygen, Dissolved as O2	mg/l	12.8	11.2	12.3	9.9	8.03	7.57	10.6	12.8	11.7	8.88

Samples from 7 Apr 2022 to 7 Dec 2022

Notation	Determinand	Units	7 Apr 2022 09:31	19 Apr 2022 12:28	11 May 2022 10:27	13 Jun 2022 13:00	22 Jul 2022 09:58	5 Aug 2022 09:30	27 Sep 2022 11:07	11 Oct 2022 09:40	9 Nov 2022 12:54	7 Dec 2022 12:51
0061	pH		6.91		8.35	7.13	7.04	6.92	7.05	7.43	6.54	7.04
0076	Temperature of Water	°C	9.8		14	15.7	20.2	17.6	13.2	9.1	11.4	5.3
0077	Conductivity at 25 C	μs/cm	170		180	166	192	168	178	191	164	165
0085	BOD : 5 Day ATU	mg/l	< 3		< 3	< 3	< 3	< 3	1.2	1	1.1	1.4
0111	Ammoniacal Nitrogen as N	mg/l	0.013		0.023	0.019	0.032	0.019	0.005	< 0.002	0.0085	0.02
0116	Nitrogen, Total Oxidised as N	mg/l	0.15		0.13	0.23	0.18	0.17	0.1	0.071	0.15	0.17
0117	Nitrate as N	mg/l	0.148		0.127	0.226	0.175	0.167	0.0984	0.07	0.149	0.169
0118	Nitrite as N	mg/l	0.0019		0.0029	0.0038	0.0046	0.0035	0.0016	< 0.001	< 0.001	0.0012
0119	Ammonia un-ionised as N	mg/l	2.0e-05		0.00056	7.0e-05	0.00014	5.0e-05	1.0e-05	< 1.0e-05	< 1.0e-05	3.0e-05
0135	Solids, Suspended at 105 C	mg/l	3.4	4.4	< 3	5.2	7.4	5.7	6.2	< 3	7	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	23		30	31	36	34	27	21	11	15
0180	Orthophosphate, reactive as P	mg/l	0.0066		0.014	0.018	0.028	0.021	0.02	0.016	0.008	0.0084
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	6.7		7.4	10	8.1	7.6	5.2	5	11	7.2
9901	Oxygen, Dissolved, % Saturation	%	89.2		81.9	82	78.5	60.1	93.9	84.2	89.8	92.4
9924	Oxygen, Dissolved as O2	mg/l	10.1		8.42	8.12	7.09	5.72	9.83	9.69	9.79	11.7

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sampling point Balmer Lawn

Determinands

Sampling results

Samples from 19 Jan 2023 to 6 Jun 2024

Samples from 7 Apr 2022 to 7 Dec 2022

sampling point
Balmer Lawn