sampling point
River Tamar At Dexbeer Bridge

Description	RIVER TAMAR AT DEXBEER BRIDGE
Sampling point ID	SW-91210261
Type	Freshwater – Rivers
Status	open
Location	easting northing: 229530 108950 lat lon: 50.854873, -4.42329
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	86 samples taken between 2024 and 2003

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.

13 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
CHLOR A
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 86 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Jul 2023 to 4 Jun 2024

Notation	Determinand	Units	5 Jul 2023 13:36	11 Sep 2023 12:09	20 Oct 2023 11:08	25 Oct 2023 10:32	6 Nov 2023 12:29	5 Dec 2023 12:56	23 Jan 2024 12:42	5 Feb 2024 11:59	5 Mar 2024 11:32	4 Jun 2024 12:02
0061	pH		7.62	7.51	7.37	7.29	7.38	7.08	7.46	7.37	7.2	7.67
0076	Temperature of Water	°C	15.5	19.3	12.7	11.4	10.8	7.4	7.9	9.1	7.2	15
0077	Conductivity at 25 C	μs/cm	176	172	161	155	150	150	154	152	134	162
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.043	< 0.03	0.037	0.056	0.083	< 0.03	0.09	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	0.66	1.4	1.3	1.8	1.9	1.9	2	1.8	0.98
0117	Nitrate as N	mg/l	< 0.196	0.656	1.39	1.29	1.79	1.88	1.88	1.99	1.78	0.976
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0099	0.0069	0.015	0.016	0.016	0.012	0.021	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00035	< 0.00036	0.00023	< 0.00012	0.00017	0.0001	0.00038	< 0.00012	0.00021	< 0.00037
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	42	41	23	36	33	28	29	31	31	42
0180	Orthophosphate, reactive as P	mg/l	0.032	0.037	0.022	0.021	< 0.01	0.037	0.041	0.04	0.036	0.036
9901	Oxygen, Dissolved, % Saturation	%	97.2	87.5	97.4	93.6	94.9	97.6	98.5	98.7	96.9	92.9
9924	Oxygen, Dissolved as O2	mg/l	9.67	8.05	10.3	10.2	10.5	11.7	11.7	11.4	11.7	9.34

Samples from 19 Aug 2022 to 14 Jun 2023

Notation	Determinand	Units	19 Aug 2022 11:57	30 Sep 2022 11:36	18 Oct 2022 11:33	3 Nov 2022 11:43	13 Dec 2022 13:43	17 Jan 2023 13:01	3 Feb 2023 11:22	27 Apr 2023 11:26	11 May 2023 11:09	14 Jun 2023 14:57
0061	pH		7.57	7.41	7.38	7.05	7.16	7.22	7.38	7.42	7.21	7.91
0076	Temperature of Water	°C	17.6	11.3	11.9	11.4	3.4	6.1	8.4	10.8	13.2	19.3
0077	Conductivity at 25 C	μs/cm	209	200	200	194	214	163	165	158	140	170
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.033	0.03	0.063	0.033	0.053	0.046	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	< 0.2	0.58	2.1	2.4	2.7	2.2	1.3	1.6	0.65
0117	Nitrate as N	mg/l	< 0.196	< 0.196	0.576	2.09	2.38	2.68	2.19	1.3	1.59	0.646
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	0.0075	0.024	0.018	0.0095	< 0.004	0.0066	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00036	< 0.00016	< 0.00015	8.0e-05	5.0e-05	0.00014	0.00013	0.00027	0.00018	< 0.00088
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	48	40	38	27	29	23	28	34	31	37
0180	Orthophosphate, reactive as P	mg/l	0.038	0.027	0.018	0.035	0.026	0.036	0.032	0.016	0.029	0.03
9901	Oxygen, Dissolved, % Saturation	%	89.7	91.3	87.7	88.2	93.9	96.3	103.2	94.1	95.4	93
9924	Oxygen, Dissolved as O2	mg/l	8.54	9.98	9.45	9.62	12.5	11.9	12.1	10.4	9.98	8.55

Tell us whether you accept cookies

sampling point River Tamar At Dexbeer Bridge

Determinands

Sampling results

Samples from 5 Jul 2023 to 4 Jun 2024

Samples from 19 Aug 2022 to 14 Jun 2023

sampling point
River Tamar At Dexbeer Bridge