sampling point
R.Yeo (Barnstaple) At Blackpool Bridge

Description	R.YEO (BARNSTAPLE AT BLACKPOOL BRIDGE
Sampling point ID	SW-73080465
Type	Freshwater – Unspecified
Status	open
Location	easting northing: 260835 137414 lat lon: 51.11906, -3.989757
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	42 samples taken between 2023 and 2013

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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
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 42 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Dec 2018 to 25 Jan 2023

Notation	Determinand	Units	11 Dec 2018 11:59	12 Jan 2021 10:15	12 Apr 2021 12:39	15 Jul 2021 12:14	8 Oct 2021 11:06	11 Jan 2022 11:58	19 Apr 2022 08:39	12 Jul 2022 12:22	6 Oct 2022 09:43	25 Jan 2023 13:28
0061	pH		7.3	7.74	8	7.9	7.82	8.23	7.81	7.8	7.55	7.57
0076	Temperature of Water	°C	10.2	9.1	7.4	15.4	13.4	10.3	7.9	16.5	11.3	7.5
0077	Conductivity at 25 C	μs/cm	152	177	164	170	145	140	169	180	199	162
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	0.036
0116	Nitrogen, Total Oxidised as N	mg/l	2.85	2	1.7	1.8	1.8	2.2	1.9	1.5	1.4	2.9
0117	Nitrate as N	mg/l	2.85	2	1.7	1.79	1.8	2.2	1.9	1.5	1.4	2.9
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	0.0058	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00011	< 0.00028	< 0.00045	< 0.00065	< 0.00047	< 0.00056	< 0.0003	< 0.00056	< 0.00022	0.00021
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	32	37	44	48	37	34	47	52	50	33
0180	Orthophosphate, reactive as P	mg/l	0.022	0.023	< 0.01	0.031	0.024	0.023	< 0.01	0.028	0.033	0.018
9901	Oxygen, Dissolved, % Saturation	%	97	102	104	99	102	99.7	102	107	99.6	101.4
9924	Oxygen, Dissolved as O2	mg/l	10.9	11.7	12.5	9.87	10.6	11.2	12.1	10.4	10.9	12.1

Samples from 18 Jan 2016 to 26 Sep 2018

Notation	Determinand	Units	18 Jan 2016 08:48	22 Apr 2016 11:44	6 Sep 2016 09:32	21 Oct 2016 12:33	1 Feb 2017 11:59	4 Aug 2017 12:05	21 Nov 2017 09:39	4 Apr 2018 08:52	18 Jun 2018 11:05	26 Sep 2018 12:23
0061	pH		7.88	8.07	7.5	7.67	7.8	8.03	7.77	7.61	7.8	7.97
0076	Temperature of Water	°C	8	9	15.1	8.7	9.2	13.9	10.9	9	14	10.9
0077	Conductivity at 25 C	μs/cm	170	174	172	179	165	210	171	168	194	159
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	0.05	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.22	1.98	1.83	1.99	2.32	1.94	2.21	2.35	2.01	1.92
0117	Nitrate as N	mg/l	2.22	1.98	1.82	1.98	2.3	1.94	2.2	2.35	2.01	1.92
0118	Nitrite as N	mg/l	0.0043	0.0047	0.0088	0.009	0.016	0.0048	0.0087	< 0.004	0.0042	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00036	< 0.00051	< 0.00026	< 0.00023	0.00055	< 0.00073	< 0.00035	< 0.00021	< 0.00047	< 0.00055
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	37	42	41	47	37	44	44	38	53	37
0180	Orthophosphate, reactive as P	mg/l	0.024	< 0.01	0.055	0.032	0.046	0.035	0.041	0.017	0.039	0.022
9901	Oxygen, Dissolved, % Saturation	%	97.3	97.1	99	101.4	102	98.1	97.7	100.9	102	100.7
9924	Oxygen, Dissolved as O2	mg/l	11.5	11.2	9.94	11.8	11.7	10.1	10.8	11.6	10.5	11.1

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sampling point R.Yeo (Barnstaple) At Blackpool Bridge

Determinands

Sampling results

Samples from 11 Dec 2018 to 25 Jan 2023

Samples from 18 Jan 2016 to 26 Sep 2018

sampling point
R.Yeo (Barnstaple) At Blackpool Bridge