sampling point
D/S Balcombe Lake

Description	RIVER OUSE TRIBUTARY SHELL BROOK DOWNSTREAM OF BALCOMBE LAKE
Sampling point ID	SO-F0002444
Type	Freshwater – Rivers
Status	open
Location	easting northing: 531700 130900 lat lon: 51.062336, -0.121953
Area	Solent And South Downs
Sub-Area	L&W South Ssd
Summary	120 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.

26 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
COD as O2
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
Oxygen Diss
Phosphate
Temp Water
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 120 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 28 Sep 2015 to 2 Jul 2024

Notation	Determinand	Units	28 Sep 2015 12:35	11 Nov 2015 11:07	9 Mar 2016 15:31	1 Jul 2016 13:27	5 Sep 2016 12:53	12 Dec 2016 11:46	23 Jan 2017 11:48	12 Apr 2017 12:17	28 Jun 2024 10:14	2 Jul 2024 10:13
0061	pH		8.2	7.97	7.57	7.97	7.86	7.54	7.74	8.2	7.55	7.8
0076	Temperature of Water	°C	14.6	12.6	7.8	17.4	18.4	6.5	3.8	13.3	20.4	18.7
0077	Conductivity at 25 C	μs/cm	305	253	192	279	343	316	300	286	295	299
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.228	0.224	0.05	0.389	0.037	0.108	< 0.03	0.15	0.043
0116	Nitrogen, Total Oxidised as N	mg/l	0.31	1.39	2.02	0.52	< 0.2	1.22	3.22	0.97	< 0.2	< 0.2
0117	Nitrate as N	mg/l	0.288	1.36	2	0.502	0.193	1.2	3.2	0.957	0.192	0.19
0118	Nitrite as N	mg/l	0.0224	0.0278	0.0164	0.0181	0.0074	0.0177	0.0175	0.0132	0.0081	0.01
0119	Ammonia un-ionised as N	mg/l	< 0.00077	0.0047	0.0013	0.00146	0.00956	0.00018	0.00069	< 0.0007	0.00212	0.00094
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	80	60	35	72	100	63	52	65	80	71
0180	Orthophosphate, reactive as P	mg/l	0.018	0.091	0.049	< 0.01	0.035	0.021	0.034	< 0.01	0.02	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	102.7	77.9	86.1	85.2	97	89.1	86.7	106.4	89.1	101.4
9924	Oxygen, Dissolved as O2	mg/l	10.4	8.26	10.2	8.14	9.08	10.9	11.4	11.1	8.02	9.44

Samples from 10 Jun 2013 to 15 Jun 2015

Notation	Determinand	Units	10 Jun 2013 08:42	18 Jun 2013 07:14	5 Sep 2013 12:09	5 Dec 2013 13:31	13 Jan 2014 10:34	16 Apr 2014 14:50	21 Jul 2014 09:13	6 Oct 2014 13:49	18 Feb 2015 14:07	15 Jun 2015 16:15
0061	pH		8.07	8.25	8.29	7.8	7.51	8.94	8.13	7.87	7.5	8.66
0076	Temperature of Water	°C	15.4	16.5	22.2	5.2	5.9	13.8	22.1	13.1	4.8	18.8
0077	Conductivity at 25 C	μs/cm	296	299	363	308	227	254	324	362	235	318
0111	Ammoniacal Nitrogen as N	mg/l	0.078	0.089	0.03	0.893	0.588	< 0.03	< 0.03	0.043	0.158	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.63	0.56	< 0.2	1.71	2.49	1.05	< 0.2	< 0.2	2.32	< 0.2
0117	Nitrate as N	mg/l	0.614	0.545	< 0.196	1.68	2.47	1.03	< 0.196	< 0.196	2.31	0.193
0118	Nitrite as N	mg/l	0.0163	0.0155	< 0.004	0.0339	0.0232	0.023	< 0.004	< 0.004	0.0132	0.0071
0119	Ammonia un-ionised as N	mg/l	0.00211	0.00261	0.00132	0.00726	0.00259	< 0.00072	< 0.00131	0.00073	0.00063	< 0.00104
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	72	71	118	63	37	50	87	96	43	80
0180	Orthophosphate, reactive as P	mg/l	< 0.02	0.029	< 0.02	0.088	0.094	< 0.02	< 0.02	< 0.01	0.025	0.037
9901	Oxygen, Dissolved, % Saturation	%	84.3	86.8	105.4	76.5	85.5	148.4	108.3	88.6	99.7	116.2
9924	Oxygen, Dissolved as O2	mg/l	8.41	8.46	9.16	9.71	10.7	15.3	9.43	9.29	12.8	10.8

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sampling point D/S Balcombe Lake

Determinands

Sampling results

Samples from 28 Sep 2015 to 2 Jul 2024

Samples from 10 Jun 2013 to 15 Jun 2015

sampling point
D/S Balcombe Lake