sampling point
River Carey At Boldford Bridge

Description	RIVER CAREY AT BOLDFORD BRIDGE
Sampling point ID	SW-81281111
Type	Freshwater – Rivers
Status	open
Location	easting northing: 236430 88239 lat lon: 50.670775, -4.316136
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	189 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.

26 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 189 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 26 Sep 2018 to 8 Aug 2024

Notation	Determinand	Units	26 Sep 2018 09:46	26 Oct 2018 08:58	12 Nov 2018 13:19	28 Nov 2018 12:11	11 Jan 2019 10:55	7 Feb 2019 13:13	7 Mar 2019 13:39	6 Jun 2024 12:28	9 Jul 2024 08:52	8 Aug 2024 09:05
0061	pH		7.6	7.03	7.5	7.28	7.5	7.42	7.22	7.75	7.26	7.79
0076	Temperature of Water	°C	8.7	9.8	10.2	10.4	5	6.9	8.2	14.1	14.3	16.3
0077	Conductivity at 25 C	μs/cm	240	205	182	164	180	190	158	195	146	200
0111	Ammoniacal Nitrogen as N	mg/l	0.049	< 0.03	< 0.03	0.042	< 0.03	0.386	0.104	< 0.03	0.21	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.53	1.85	3.08	2.29	2	1.99	2.11	1.2	0.86	0.94
0117	Nitrate as N	mg/l	2.52	1.85	3.07	2.28	1.99	1.97	2.1	1.2	0.844	0.936
0118	Nitrite as N	mg/l	0.0059	< 0.004	0.01	0.0082	0.0059	0.0192	0.013	< 0.004	0.016	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00033	< 6.0e-05	< 0.00018	0.00015	< 0.00012	0.00149	0.00028	< 0.00042	0.00097	< 0.00054
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	28	34	21	22	29	32	27	47	27	53
0180	Orthophosphate, reactive as P	mg/l	0.028	0.021	< 0.01	0.018	0.028	0.039	0.047	0.048	0.06	0.051
9901	Oxygen, Dissolved, % Saturation	%	90	95.1	95	97.4	99.8	96.2	95.9	99.9	93.1	91
9924	Oxygen, Dissolved as O2	mg/l	10.5	10.8	10.7	10.9	12.7	11.7	11.3	10.2	9.51	8.9

Samples from 9 Nov 2017 to 22 Aug 2018

Notation	Determinand	Units	9 Nov 2017 10:19	6 Dec 2017 10:48	16 Jan 2018 12:46	31 Jan 2018 10:32	28 Mar 2018 12:32	11 Apr 2018 12:03	9 May 2018 09:34	13 Jun 2018 13:09	26 Jul 2018 10:15	22 Aug 2018 11:04
0061	pH		7.33	7.47	7.1	7.53	7.4	7.52	7.89	7.2	7.4	7.5
0076	Temperature of Water	°C	9	8.3	6.6	7.8	8	10.4	11.8	16.7	16.4	17.9
0077	Conductivity at 25 C	μs/cm	190	185	176	180	163	155	196	217	227	266
0111	Ammoniacal Nitrogen as N	mg/l	0.085	< 0.03	0.14	0.056	0.149	0.069	< 0.03	< 0.03	0.033	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2	2.02	1.14	1.9	1.45	1.4	1.23	1.09	0.27	1.07
0117	Nitrate as N	mg/l	1.99	2.01	1.13	1.89	1.43	1.38	1.22	1.08	0.266	1.07
0118	Nitrite as N	mg/l	0.009	0.0062	0.0147	0.0141	0.024	0.0164	0.0063	0.0059	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00031	< 0.00014	0.00025	0.0003	0.0006	0.00043	< 0.00049	< 0.00014	0.00025	< 0.00031
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	36	35	32	32	34	32	42	55	66	47
0180	Orthophosphate, reactive as P	mg/l	0.038	0.027	0.029	0.029	0.029	0.024	0.036	0.072	0.037	0.043
9901	Oxygen, Dissolved, % Saturation	%	97.7	99.4	92.6	96.1	102.6	96.1	88.3	100	81	86
9924	Oxygen, Dissolved as O2	mg/l	11.3	11.7	11.3	11.4	12.1	10.7	9.54	9.7	7.91	8.14

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sampling point River Carey At Boldford Bridge

Determinands

Sampling results

Samples from 26 Sep 2018 to 8 Aug 2024

Samples from 9 Nov 2017 to 22 Aug 2018

sampling point
River Carey At Boldford Bridge