sampling point
R.Nar Castle Acre Rd.Br.

Description	R.NAR CASTLE ACRE RD.BR.
Sampling point ID	AN-58M05
Type	Freshwater – Rivers
Status	open
Location	easting northing: 581900 314800 lat lon: 52.700301, 0.69061
Area	Cambridgeshire And Bedfordshire
Sub-Area	Ely Team Sub Area
Summary	221 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.

32 determinands have been measured at this site

ALK.0.45um
Alky pH 4.5
Ammonia(N)
BOD ATU
CHLORIDE GFC
CHLOROPHYLL
Chloride Ion
Cond @ 20C
Cond @ 25C
N Inorganic
N Oxid Filt
N Oxidised
NH3 filt N
NH3 un-ion
Nitrate-N
Nitrite Filt
Nitrite-N
O Diss %sat
O Diss% Satn
O Dissolved
Orthophospht
OrthophsFilt
OrthophsFilt
Oxygen Diss
Phosphorus-P
SiO2 Filt
Sld Sus@105C
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 221 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Jul 2023 to 12 Jun 2024

Notation	Determinand	Units	10 Jul 2023 10:32	3 Aug 2023 09:04	4 Sep 2023 12:19	6 Oct 2023 10:53	6 Nov 2023 10:13	1 Dec 2023 10:18	3 Jan 2024 09:40	1 Feb 2024 11:03	5 Mar 2024 12:42	12 Jun 2024 09:27
0061	pH		7.51	7.51	7.51	7.53	7.63	7.47	7.61	7.54	7.73	7.58
0076	Temperature of Water	°C	13.8	13.1	13.2	12.4	9.1	5.5	8	7.7	8.9	11.1
0077	Conductivity at 25 C	μs/cm	743	734	754	727	668	743	456	759	724	722
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.037	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	9.1	9.4	10	8.7	6.8	9.4	4.4	10	9.2	8.4
0117	Nitrate as N	mg/l	9.09	9.38	9.99	8.69	6.79	9.38	4.38	9.98	9.19	8.39
0118	Nitrite as N	mg/l	0.012	0.018	0.011	0.0079	0.015	0.016	0.024	0.021	0.014	0.015
0119	Ammonia un-ionised as N	mg/l	< 0.00024	< 0.00023	< 0.00023	< 0.00022	< 0.00022	< 0.00012	0.00024	< 0.00016	< 0.00027	< 0.00023
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	3.1	4.2	4.1	38	6.6	7.4	4.3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	270	260	260	260	260	280	180	270	260	270
0180	Orthophosphate, reactive as P	mg/l	0.036	0.034	0.037	0.064	0.076	0.059	0.085	0.062	0.072	0.042
6396	Turbidity	ntu	< 1	< 1	< 1	1.2	3.8	1.9	52	2.8	2.9	< 1
7887	Chlorophyll : Acetone Extract	μg/l	1.9	1.3	0.66	5.6	0.95	1.5	3.1	1	1.8	1.5
9901	Oxygen, Dissolved, % Saturation	%	96.8	77.5	88.5	79.7	75.6	86.7	81.4	92.5	100.3	84.9
9924	Oxygen, Dissolved as O2	mg/l	10	8.13	9.26	8.49	8.7	10.9	9.63	11	11.6	9.32

Samples from 8 Sep 2022 to 1 Jun 2023

Notation	Determinand	Units	8 Sep 2022 09:08	7 Oct 2022 12:30	3 Nov 2022 09:44	2 Dec 2022 10:31	24 Jan 2023 09:58	8 Feb 2023 11:30	2 Mar 2023 09:58	5 Apr 2023 11:34	11 May 2023 08:36	1 Jun 2023 10:37
0061	pH		7.38	7.6	7.38	7.56	7.55	7.57	7.67	7.65	7.7	7.55
0076	Temperature of Water	°C	12.6	11.8	10.5	8.3	4.9	6.1	7.5	8.8	12.9	11.3
0077	Conductivity at 25 C	μs/cm	746	766	761	765	769	769	763	739	687	749
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	9.9	11	9.7	9.8	10	10	10	9	7.7	9.8
0117	Nitrate as N	mg/l	9.88	11	9.69	9.78	9.98	9.99	9.99	8.99	7.67	9.78
0118	Nitrite as N	mg/l	0.019	0.011	0.011	0.016	0.016	0.012	0.0063	0.0068	0.034	0.016
0119	Ammonia un-ionised as N	mg/l	< 0.00016	< 0.00025	< 0.00014	< 0.00018	< 0.00013	< 0.00015	< 0.00021	< 0.00023	< 0.00034	< 0.00022
0135	Solids, Suspended at 105 C	mg/l	3.6	3.9	< 3	5.1	9	10	7	6.7	3.8	3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	270	270	260	260	270	270	260	280	260	270
0180	Orthophosphate, reactive as P	mg/l	0.054	0.043	0.1	0.063	0.061	0.052	0.048	0.033	0.067	0.051
6396	Turbidity	ntu	1.4	< 1				3.8	1.3		3	1.1
7887	Chlorophyll : Acetone Extract	μg/l	3.3	1.5	2.1	3.5	4.7	4.2			7.5	2.9
9901	Oxygen, Dissolved, % Saturation	%	76.4	85.8	80.9	84.4	90.7	94	94.1	102.5	84.7	94.6
9924	Oxygen, Dissolved as O2	mg/l	8.1	9.27	9.01	9.91	11.6	11.7	11.3	11.9	8.92	10.3

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sampling point R.Nar Castle Acre Rd.Br.

Determinands

Sampling results

Samples from 10 Jul 2023 to 12 Jun 2024

Samples from 8 Sep 2022 to 1 Jun 2023

sampling point
R.Nar Castle Acre Rd.Br.