sampling point
River Tamar Above Kingfod Mill

Description	RSN1555 KINGFORD
Sampling point ID	SW-RSN1555
Type	Freshwater – Rivers
Status	open
Location	easting northing: 228074 106565 lat lon: 50.833014, -4.442836
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	39 samples taken between 2024 and 2021

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.

17 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
C - Org Filt
Chloride Ion
Cond @ 25C
Flow Type
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
SiO2 Rv
Temp Water
pH

Displaying the twenty most recent samples. You can see all 39 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Oct 2023 to 16 Aug 2024

Notation	Determinand	Units	11 Oct 2023 14:40	17 Nov 2023 10:12	5 Dec 2023 12:09	17 Jan 2024 12:03	1 Feb 2024 11:37	7 Mar 2024 14:18	4 Apr 2024 14:11	8 May 2024 12:18	12 Jun 2024 12:10	16 Aug 2024 13:01
0061	pH		7.45	6.99	8.13	7.47	7.15	7.35	7.36	7.59	7.59	7.46
0076	Temperature of Water	°C	16.6	9.7	7	3.1	7.6	9.3	11.4	14.5	13.6	17.1
0077	Conductivity at 25 C	μs/cm	187	163	157	184	181	162	144	165	213	192
0111	Ammoniacal Nitrogen as N	mg/l	0.019	0.034	0.065	0.027	0.03	0.041	0.0084	0.0091	< 0.002	0.0098
0116	Nitrogen, Total Oxidised as N	mg/l	1.1	2.3	1.9	2.2	1.9	2	1.3	1.7	0.89	0.8
0117	Nitrate as N	mg/l	1.1	2.29	1.89	2.19	1.89	1.99	1.29	1.7	0.887	0.798
0118	Nitrite as N	mg/l	0.0032	0.012	0.013	0.0096	0.012	0.015	0.0078	0.0044	0.0032	0.0025
0119	Ammonia un-ionised as N	mg/l	0.00016	6.0e-05	0.00095	9.0e-05	7.0e-05	0.00016	4.0e-05	9.0e-05	< 2.0e-05	9.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	44	33	27	34	36	33	36	38	57	52
0172	Chloride	mg/l	23	20	22	23	25	17	16	18	21	22
0180	Orthophosphate, reactive as P	mg/l	0.023	0.028	0.034	0.019	0.025	0.023	0.024	0.023	0.017	0.039
0182	Silica, reactive as SiO2	mg/l	5.9	4.7	4.4	6	5.1	4.3	2.6	3.5	5.5	5.3
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	5.5	6.1	6	3.1	4.3	3.8	7.2	3.7	3.2	4.9
0348	Phosphorus, Total as P	mg/l	0.054	0.074	0.12	0.037	0.057	0.057	0.076	0.05	0.03	0.063
2896	Flow Type											4
9901	Oxygen, Dissolved, % Saturation	%	99.1	92.9	94.7	98.2	95.4	99.3	98.8	102.5	104.6	96.1
9924	Oxygen, Dissolved as O2	mg/l	9.63	10.5	11.5	13.2	11.4	11.4	10.8	10.4	10.8	9.24

Samples from 30 Sep 2022 to 5 Sep 2023

Notation	Determinand	Units	30 Sep 2022 12:39	14 Oct 2022 11:51	3 Nov 2022 12:52	13 Dec 2022 13:17	27 Jan 2023 12:33	16 Feb 2023 12:18	3 Mar 2023 13:09	9 Jun 2023 12:28	5 Jul 2023 13:47	5 Sep 2023 13:38
0061	pH		7.4	7.54	6.55	7.3	7.3	7.51	7.45	7.62	7.55	7.52
0076	Temperature of Water	°C	11	12.4	11.5	3	4.9	8.8	6	16	15.3	18.7
0077	Conductivity at 25 C	μs/cm	230	252	228	210	189	199	191	203	206	187
0111	Ammoniacal Nitrogen as N	mg/l	0.011	0.0037	0.037	0.015	0.02	0.013	0.0097	0.017	0.013	0.01
0116	Nitrogen, Total Oxidised as N	mg/l	0.47	0.52	2.9	2.4	2.5	2.1	2.6	1.2	0.86	1.1
0117	Nitrate as N	mg/l	0.468	0.518	2.89	2.39	2.49	2.09	2.59	1.2	0.856	1.1
0118	Nitrite as N	mg/l	0.0021	0.0019	0.0099	0.012	0.0087	0.0057	0.0057	0.0047	0.0042	0.0029
0119	Ammonia un-ionised as N	mg/l	6.0e-05	3.0e-05	3.0e-05	3.0e-05	5.0e-05	7.0e-05	4.0e-05	0.0002	0.00013	0.00012
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	45		27	29	29	32	32	47	46	43
0172	Chloride	mg/l	30		33	30	26	28	24	23	26	22
0180	Orthophosphate, reactive as P	mg/l	0.023	0.023	0.028	0.022	0.025	0.015	0.0088	0.016	0.026	0.03
0182	Silica, reactive as SiO2	mg/l	3.9	6.6	6	6.7	7.1	5.8	4.2	4.7	4.8	5
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	5.9		10	4.4	3.5	3.3	2.9	3.3	6.2	5
0348	Phosphorus, Total as P	mg/l			0.22	0.036	0.034	0.033	0.034	0.039	0.069	0.05
9901	Oxygen, Dissolved, % Saturation	%	93.7	89.8	92.6	96.1	97.8	95.9	106.8	98.6	103.5	102.5
9924	Oxygen, Dissolved as O2	mg/l	10.3	9.57	10.1	12.9	12.5	11.1	13.3	9.7	10.3	9.54

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sampling point River Tamar Above Kingfod Mill

Determinands

Sampling results

Samples from 11 Oct 2023 to 16 Aug 2024

Samples from 30 Sep 2022 to 5 Sep 2023

sampling point
River Tamar Above Kingfod Mill