sampling point
Clerkenwater At Clerkenwater

Description	CLERKENWATER AT CLERKENWATER
Sampling point ID	SW-82521521
Type	Freshwater – Rivers
Status	open
Location	easting northing: 206880 68780 lat lon: 50.486925, -4.72374
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	23 samples taken between 2022 and 2011

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.

40 determinands have been measured at this site

Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
Arsenic - As
As-Filtered
C - Org Filt
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd Filtered
Cond @ 25C
Copper - Cu
Cu Filtered
Fe- Filt
Hardness
Iron - as Fe
Lead - as Pb
Magnesium-Mg
Manganse-Mn
Mg Filtered
Mn- Filtered
N Oxidised
NH3 un-ion
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Pb Filtered
Potassium- K
Sodium - Na
Sulphate SO4
Temp Water
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 23 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Jun 2021 to 1 Mar 2022

Notation	Determinand	Units	10 Jun 2021 10:32	1 Jul 2021 10:30	5 Aug 2021 09:52	30 Sep 2021 09:42	14 Oct 2021 10:00	4 Nov 2021 14:36	1 Dec 2021 11:35	6 Jan 2022 08:49	3 Feb 2022 11:38	1 Mar 2022 12:06
0061	pH		7.75	7.75	7.69	7.8	7.72	7.51	7.52	7.43	7.71	7.63
0076	Temperature of Water	°C	13.3	13.8	14	11.9	10.8	11.2	9	7.2	9.1	8.7
0077	Conductivity at 25 C	μs/cm	180	188	183	198	183	190		176	181	181
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	3.5	3.4	3.4	4.5	4.1	3.7	3.5	4.2	4	4.1
0117	Nitrate as N	mg/l	3.5	3.4	3.4	4.5	4.1	3.7	3.5	4.2	4	4.1
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0004	< 0.00041	< 0.00036	< 0.0004	< 0.00031	< 0.0002	< 0.00017	< 0.00012	< 0.00026	< 0.00021
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	32	34	31	34	32	31	32	30	29	30
0180	Orthophosphate, reactive as P	mg/l	0.01	0.015	0.012	0.014	< 0.01	< 0.01	0.018	< 0.01	0.014	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	100.3	98.5	99.8	98	99.8	100.1	99.8	99.8	100.4	100.2
9924	Oxygen, Dissolved as O2	mg/l	10.5	10.2	10.3	10.6	11	11	11.5	12	11.6	11.6

Samples from 4 Jul 2019 to 4 May 2021

Notation	Determinand	Units	4 Jul 2019 09:22	8 Aug 2019 13:58	27 Sep 2019 15:31	8 Oct 2019 14:01	1 Nov 2019 12:37	4 Dec 2019 09:06	15 Jan 2020 15:01	7 Feb 2020 12:55	4 Mar 2020 13:27	4 May 2021 09:31
0061	pH		7.64	8.5	7.59	7.89	7.43	7.56	7.29	7.58	7.63	7.77
0076	Temperature of Water	°C	12.6	15.9	13.9	13.2	12.5	7.8	9.8	8.6	9.8	8.4
0077	Conductivity at 25 C	μs/cm	185	206	166	173	172	185	167	168	162	194
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	0.034
0116	Nitrogen, Total Oxidised as N	mg/l	3.4	2.5	3.7	4	3.8	3.7	3.6	3.4	3	3
0117	Nitrate as N	mg/l	3.4	2.5	3.7	4	3.8	3.7	3.6	3.4	3	3
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00029	< 0.00084	< 0.00029	< 0.00054	< 0.00018	< 0.00017	< 0.00011	< 0.00019	< 0.00023	0.00033
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	34	35	29	27	30	30	29	28	28	35
0180	Orthophosphate, reactive as P	mg/l	0.01	0.012	0.027	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.011	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	100.6	96.7	99.1	99.2	100	99.9	99.2	100	105	96.4
9924	Oxygen, Dissolved as O2	mg/l	10.7	9.54	10.2	10.4	10.6	11.9	11.2	11.7	11.9	11.3

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sampling point Clerkenwater At Clerkenwater

Determinands

Sampling results

Samples from 10 Jun 2021 to 1 Mar 2022

Samples from 4 Jul 2019 to 4 May 2021

sampling point
Clerkenwater At Clerkenwater