sampling point
River Alham At Bolters Bridge

Description	R ALHAM BOLTERS BR
Sampling point ID	SW-60032810
Type	Freshwater – Rivers
Status	open
Location	easting northing: 360600 133400 lat lon: 51.098539, -2.564045
Area	Wessex
Sub-Area	West Wessex
Summary	114 samples taken between 2021 and 2007

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.

20 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Cond @ 25C
Cu Filtered
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 114 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Mar 2020 to 20 Aug 2021

Notation	Determinand	Units	23 Mar 2020 12:05	14 Oct 2020 11:08	17 Nov 2020 11:40	8 Dec 2020 13:28	14 Jan 2021 12:41	9 Feb 2021 13:35	2 Mar 2021 12:23	20 Apr 2021 13:05	29 Jun 2021 11:50	20 Aug 2021 10:15
0061	pH		8.25	8.19	8.16	8.2	7.92	8.31	8.29	8.35	8.05	8.05
0076	Temperature of Water	°C	8.5	10.7	12.1	6.7	8.7	3.5	6.8	10.7	15.2	15.8
0077	Conductivity at 25 C	μs/cm	643	663	637	648	581	642	633	624	607	636
0111	Ammoniacal Nitrogen as N	mg/l	0.062	0.045	0.044	0.072	0.23	0.099	0.073	< 0.03	0.14	0.15
0116	Nitrogen, Total Oxidised as N	mg/l	6.8	6	5.7	6.2	4.2	6	6.2	6	4.7	5.2
0117	Nitrate as N	mg/l	6.77	5.97	5.67	6.16	4.15	5.98	6.17	5.98	4.62	5.14
0118	Nitrite as N	mg/l	0.033	0.03	0.035	0.042	0.048	0.023	0.03	0.021	0.084	0.059
0119	Ammonia un-ionised as N	mg/l	0.00101	0.00086	0.00094	0.00103	0.00318	0.00112	0.00105	< 0.00058	0.00373	0.00418
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	260	270	250	270	240	260	260	240	220	240
0180	Orthophosphate, reactive as P	mg/l	0.083	0.11	0.11	0.098	0.13	0.075	0.074	0.083	0.28	0.28
9901	Oxygen, Dissolved, % Saturation	%	96.9	92.9	93.8	95.4	94.2	95	94.5	104.8	84.9	83.4
9924	Oxygen, Dissolved as O2	mg/l	11.3	10.3	10.1	11.7	10.9	12.6	11.5	11.6	8.5	8.25

Samples from 3 Jun 2019 to 24 Feb 2020

Notation	Determinand	Units	3 Jun 2019 14:04	10 Jul 2019 11:21	29 Aug 2019 12:52	18 Sep 2019 11:15	8 Oct 2019 12:34	21 Nov 2019 13:57	17 Dec 2019 09:39	15 Jan 2020 10:20	30 Jan 2020 13:26	24 Feb 2020 13:14
0061	pH		8.23	8.23	8.21	8.29	8.1	8.24	8.14	7.74	8.01	8.14
0076	Temperature of Water	°C	14.1	16.2	15.3	13.3	13.1	8.1	8.1	8.7	8.7	9.5
0077	Conductivity at 25 C	μs/cm	703	661	670	673	655	677	638	407		633
0111	Ammoniacal Nitrogen as N	mg/l	0.038	< 0.03	< 0.03	< 0.03	0.052	0.091	0.092	0.25	0.17	0.21
0116	Nitrogen, Total Oxidised as N	mg/l	8.5	7.9	4.7	4.5	6.8	6.96	6.2	3.7	5.4	5.3
0117	Nitrate as N	mg/l	8.45	7.88	4.69	4.49	6.75	6.91	6.16	3.67	5.36	5.26
0118	Nitrite as N	mg/l	0.048	0.022	0.013	0.0069	0.05	0.0459	0.037	0.033	0.038	0.044
0119	Ammonia un-ionised as N	mg/l	0.00093	< 0.00086	< 0.00081	< 0.0007	0.00119	0.00144	0.00146	0.0023	0.00282	0.00369
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	250	230	270	240	270	273	270	180		270
0180	Orthophosphate, reactive as P	mg/l	0.36	0.22	0.3	0.28	0.14	0.104	0.11	0.22		0.11
9901	Oxygen, Dissolved, % Saturation	%	91.8	96	91.5	86.1	91.4	90.1	92.4	89	98.9	95.9
9924	Oxygen, Dissolved as O2	mg/l	9.42	9.41	9.14	8.99	9.59	10.6	10.9	10.3	11.5	10.9

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sampling point River Alham At Bolters Bridge

Determinands

Sampling results

Samples from 23 Mar 2020 to 20 Aug 2021

Samples from 3 Jun 2019 to 24 Feb 2020

sampling point
River Alham At Bolters Bridge