sampling point
Lopen Brook At Bull Bridge

Description	LOPEN BROOK AT BULL BRIDGE
Sampling point ID	SW-E3120500
Type	Freshwater – Rivers
Status	open
Location	easting northing: 343658 114336 lat lon: 50.92571, -2.803007
Area	Wessex
Sub-Area	West Wessex
Summary	29 samples taken between 2017 and 2013

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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 29 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Feb 2015 to 3 Apr 2017

Notation	Determinand	Units	11 Feb 2015 09:01	12 Jun 2015 11:00	6 Aug 2015 12:42	5 Nov 2015 11:35	8 Mar 2016 10:18	16 Jun 2016 16:30	26 Sep 2016 11:31	6 Dec 2016 09:13	6 Jan 2017 11:50	3 Apr 2017 08:44
0061	pH		8.07	8.12	8.1	7.8	7.97	7.95	8.15	7.8	8.11	8.12
0076	Temperature of Water	°C	6.4	13.3	15	13.1	5.9	14.7	13.2	7.5	6.1	8.9
0077	Conductivity at 25 C	μs/cm	694	697	680	651	712	668	654	692	683	680
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.125	0.046	< 0.03	0.225	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.6	4.75	4.68	2.39	4.16	2.99	2.97	3.11	3.32	3.45
0117	Nitrate as N	mg/l	3.59	4.74	4.67	2.38	4.15	2.95	2.96	3.1	3.31	3.44
0118	Nitrite as N	mg/l	0.0118	0.0073	0.0115	0.0075	0.01	0.0367	0.011	0.0099	0.0132	0.0092
0119	Ammonia un-ionised as N	mg/l	< 0.00042	< 0.0007	< 0.00079	< 0.00044	< 0.00038	0.00287	0.00106	< 0.00029	0.00308	< 0.0005
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	289	264	255	256	289	274	253	276	271	277
0180	Orthophosphate, reactive as P	mg/l	0.09	0.481	0.419	0.303	0.112	0.281	0.263	0.196	0.175	0.152
9901	Oxygen, Dissolved, % Saturation	%	93	98.1	87	82	92.9	82.7	84.3	90.6	87.9	89.8
9924	Oxygen, Dissolved as O2	mg/l	11.4	10.2	8.75	8.6	11.6	8.37	8.82	10.8	10.9	10.4

Samples from 23 Sep 2013 to 3 Oct 2014

Notation	Determinand	Units	23 Sep 2013 10:09	8 Oct 2013 10:37	4 Nov 2013 10:32	28 Nov 2013 10:06	13 Jan 2014 14:47	6 Feb 2014 13:11	10 Mar 2014 13:30	8 Apr 2014 11:17	16 Jul 2014 08:57	3 Oct 2014 12:09
0061	pH		8.04	8.06	7.73	8.09	7.78	7.63	7.98	7.79	8.01	8.05
0076	Temperature of Water	°C	14.6	12.9	10.7	8.6	8.1	7.2	9.9	9.7	13.7	14
0077	Conductivity at 25 C	μs/cm	698	709	581	715	617	506	668	610	701	708
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.127	< 0.03	0.122	0.101	0.044	0.046	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.7	3.31	3.41	4.4	3.78	3.04	4.43	3.01	3.95	4.5
0117	Nitrate as N	mg/l	3.69	3.29	3.39	4.39	3.76	3.03	4.41	3	3.94	4.49
0118	Nitrite as N	mg/l	0.0101	0.0152	0.0198	0.0111	0.0227	0.014	0.0162	0.0125	0.0099	0.0072
0119	Ammonia un-ionised as N	mg/l	< 0.00077	< 0.00068	0.00132	< 0.00049	0.00117	0.00065	0.00076	0.00051	< 0.00072	< 0.00073
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	268	276	214	284	228	192	272	246	282	273
0180	Orthophosphate, reactive as P	mg/l	0.228	0.201	0.148	0.185	0.118	0.115	0.1	0.089	0.105	0.236
9901	Oxygen, Dissolved, % Saturation	%	89.1	90.1	85.3	93.2	91.3	87.3	101.7	92.2	94.5	91.3
9924	Oxygen, Dissolved as O2	mg/l	9.04	9.49	9.45	10.9	10.8	10.5	11.5	10.5	9.78	9.39

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sampling point Lopen Brook At Bull Bridge

Determinands

Sampling results

Samples from 11 Feb 2015 to 3 Apr 2017

Samples from 23 Sep 2013 to 3 Oct 2014

sampling point
Lopen Brook At Bull Bridge