sampling point
River Tamar At Netherbridge

Description	RIVER TAMAR AT NETHERBRIDGE
Sampling point ID	SW-81290141
Type	Freshwater – Rivers
Status	open
Location	easting northing: 234878 86703 lat lon: 50.656535, -4.337394
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	176 samples taken between 2019 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.

39 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
BOD5DyATUFil
Calcium - Ca
Chloride Ion
Chlorophyl-A
ColformsPre
Cond @ 20C
Cond @ 25C
Cu Filtered
F Coli Pre
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Digested
N Inorganic
N Oxidised
N-Kjeldahl
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
Potassium- K
SiO2 Rv
Sld NV@500C
Sld Sus@105C
StrepF PMF
Temp Water
TurbidityNTU
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 176 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Dec 2017 to 11 Jun 2019

Notation	Determinand	Units	6 Dec 2017 10:26	5 Feb 2018 11:17	11 Apr 2018 11:24	21 Jun 2018 10:41	8 Aug 2018 10:18	2 Oct 2018 13:06	6 Dec 2018 10:55	7 Feb 2019 12:51	12 Apr 2019 12:16	11 Jun 2019 14:17
0061	pH		7.33	7.63	7.5	7.88	7.89	7.69	7.2	7.39	8.45	7.59
0076	Temperature of Water	°C	9	4.5	10.7	15.5	17.5	11.9	10.9	7.4	8.7	12.4
0077	Conductivity at 25 C	μs/cm	231	210	194	237	266	235	181	200	193	219
0111	Ammoniacal Nitrogen as N	mg/l	0.039	0.084	0.072	< 0.03	< 0.03	< 0.03	0.078	0.089	< 0.03	0.113
0116	Nitrogen, Total Oxidised as N	mg/l	2.52	2.38	2	1.13	0.97	2.38	3.12	3.31	2.1	2.11
0117	Nitrate as N	mg/l	2.51	2.36	1.98	1.12	0.966	2.38	3.11	3.29	2.1	2.08
0118	Nitrite as N	mg/l	0.0139	0.0211	0.023	0.0091	0.0045	< 0.004	0.0134	0.0175	0.0042	0.0317
0119	Ammonia un-ionised as N	mg/l	0.00014	0.00044	0.00044	< 0.00062	< 0.00074	< 0.00031	0.00024	0.00033	< 0.0005	0.00097
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	40	40	36	56	63	42	28	28	31	40
0180	Orthophosphate, reactive as P	mg/l	0.024	0.035	0.028	0.016	0.051	0.045	0.036	0.028	0.011	0.057
9901	Oxygen, Dissolved, % Saturation	%	97.4	100	96.2	93	94.1	99	97.9	99.5	116.2	95.2
9924	Oxygen, Dissolved as O2	mg/l	11.2	12.9	10.7	9.25	8.98	10.7	10.8	11.9	13.5	10.1

Samples from 30 Nov 2016 to 20 Oct 2017

Notation	Determinand	Units	30 Nov 2016 12:45	10 Jan 2017 11:19	2 Feb 2017 10:33	3 Mar 2017 15:20	28 Apr 2017 13:38	22 May 2017 11:37	19 Jun 2017 11:18	21 Jul 2017 13:16	24 Aug 2017 09:53	20 Oct 2017 14:42
0061	pH		7.37	7.58	7	7.29	8.67	7.78	7.72	7.94	7.72	7.41
0076	Temperature of Water	°C	3.4	7.6	9.3	8.5	10.7	15.6	20.8	16.2	16.2	12.3
0077	Conductivity at 25 C	μs/cm	201	183	146	198	205	228	246	226	212	227
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.123	0.147	0.107	< 0.03	0.032	< 0.03	< 0.03	< 0.03	0.085
0116	Nitrogen, Total Oxidised as N	mg/l	2.5	1.71	1.39	2.18	1.33	1.39	1.47	1.27	1.82	1.71
0117	Nitrate as N	mg/l	2.49	1.69	1.38	2.17	1.33	1.38	1.46	1.26	1.82	1.7
0118	Nitrite as N	mg/l	0.0052	0.0166	0.0104	0.0134	< 0.004	0.0102	0.013	0.0052	< 0.004	0.0125
0119	Ammonia un-ionised as N	mg/l	< 8.0e-05	0.00072	0.00026	0.00035	< 0.00058	0.00053	< 0.00064	< 0.00075	< 0.00046	0.00048
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	33	38	31	35	42	56	62	56	45	44
0180	Orthophosphate, reactive as P	mg/l	0.015	0.069	0.056	0.028	< 0.01	0.051	0.054	0.081	0.046	0.029
9901	Oxygen, Dissolved, % Saturation	%	103.1	97.1	97.7	96.7	114.2	102.4	97.7	90.9	96.5	90.7
9924	Oxygen, Dissolved as O2	mg/l	13.7	11.6	11.2	11.3	12.7	10.2	8.72	8.91	9.46	9.69

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sampling point River Tamar At Netherbridge

Determinands

Sampling results

Samples from 6 Dec 2017 to 11 Jun 2019

Samples from 30 Nov 2016 to 20 Oct 2017

sampling point
River Tamar At Netherbridge