sampling point
River Tamar At Tamerton Bridge

Description	RIVER TAMAR AT TAMERTON BRIDGE BELOW NORTH TAMERTON STW
Sampling point ID	SW-91210131
Type	Freshwater – Rivers
Status	open
Location	easting northing: 231822 97405 lat lon: 50.751816, -4.385466
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	143 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.

33 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
BOD5DyATUFil
Calcium - Ca
Chlorophyl-A
Cond @ 20C
Cond @ 25C
Cu Filtered
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 Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 143 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Sep 2023 to 1 Aug 2024

Notation	Determinand	Units	7 Sep 2023 14:28	2 Oct 2023 11:00	13 Nov 2023 15:49	6 Dec 2023 13:46	3 Jan 2024 12:36	7 Feb 2024 11:39	6 Mar 2024 13:50	6 Jun 2024 11:42	5 Jul 2024 09:24	1 Aug 2024 11:01
0061	pH		7.69	7.43	7.25	7.13	7.24	7.25	7.28	7.92	7.62	7.74
0076	Temperature of Water	°C	19.8	15.6	11.6	6.5	9.2	9.8	7.3	14.7	15.4	19.1
0077	Conductivity at 25 C	μs/cm	223	216	171	195	173	135	182	235	250	212
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.085	0.048	0.07	0.11	0.099	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.3	1.5	1.4	2.8	1.7	1.1	2.1	1.3	0.57	1.3
0117	Nitrate as N	mg/l	1.3	1.49	1.39	2.79	1.68	1.09	2.08	1.29	0.566	1.3
0118	Nitrite as N	mg/l	0.0042	0.0079	0.014	0.014	0.017	0.014	0.025	0.0054	< 0.004	0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00056	< 0.00023	0.00032	9.0e-05	0.00021	0.00036	0.00029	< 0.00064	< 0.00034	< 0.00059
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	52	52	42	39	36	31	42	57	68	57
0180	Orthophosphate, reactive as P	mg/l	0.037	0.052	0.051	0.037	0.047		0.047	0.044	0.019	0.047
9901	Oxygen, Dissolved, % Saturation	%	98.3	90.2	91.3	93.8	92.4	87.6	94.6	99.5	89.5	93.1
9924	Oxygen, Dissolved as O2	mg/l	8.95	8.96	9.91	11.5	10.6	9.92	11.4	10.1	8.92	8.6

Samples from 23 Jun 2016 to 21 Aug 2023

Notation	Determinand	Units	23 Jun 2016 11:43	31 Oct 2016 11:24	6 Dec 2016 14:35	16 Feb 2017 12:02	28 Apr 2017 10:53	28 Apr 2023 12:15	17 May 2023 13:12	7 Jun 2023 12:45	27 Jul 2023 11:09	21 Aug 2023 12:30
0061	pH		7.24	7.96	7.52	7.41	7.72	7.28	7.5	7.97	7.56	7.47
0076	Temperature of Water	°C	15.2	10.8	6.9	7.5	9.7	11.6	13.1	16.5	15.9	16.9
0077	Conductivity at 25 C	μs/cm	190	236	217	230	225	198	203	236	239	204
0111	Ammoniacal Nitrogen as N	mg/l	0.036	< 0.03	0.037	0.052	0.03	0.065	< 0.03	0.034	0.052	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.94	1.2	2.2	2.51	1.36	1.5	2.4	1.3	2.2	1.7
0117	Nitrate as N	mg/l	1.93	1.19	2.19	2.49	1.35	1.48	2.39	1.29	2.18	1.7
0118	Nitrite as N	mg/l	0.01	0.0054	0.0119	0.0164	0.0053	0.023	0.0056	0.0095	0.018	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00017	< 0.00053	0.00018	0.00021	0.00028	0.00026	< 0.00022	0.00093	0.00054	< 0.00027
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	39	60	46	44	56	46	42	59	47	45
0180	Orthophosphate, reactive as P	mg/l	0.05	0.032	0.029	0.042	0.028	0.045	0.028	0.026	0.076	0.039
9901	Oxygen, Dissolved, % Saturation	%	92.8	89.4	98.5	97.5	100.8	93.4	100	106.7	91.2	96
9924	Oxygen, Dissolved as O2	mg/l	9.29	9.88	12	11.7	11.4	10.1	10.5	10.4	9	9.27

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sampling point River Tamar At Tamerton Bridge

Determinands

Sampling results

Samples from 7 Sep 2023 to 1 Aug 2024

Samples from 23 Jun 2016 to 21 Aug 2023

sampling point
River Tamar At Tamerton Bridge