sampling point
River Inny At Trecarrell Bridge

Description	RIVER INNY AT TRECARRELL BRIDGE
Sampling point ID	SW-91241119
Type	Freshwater – Rivers
Status	open
Location	easting northing: 232014 77151 lat lon: 50.56989, -4.373549
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	219 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
Calcium - Ca
Chloride Ion
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
K- Filtered
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phosphate
Phosphorus-P
Potassium- K
Sld Sus@105C
Sodium - Na
Temp Water
TurbidityNTU
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 219 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Oct 2023 to 1 Jul 2024

Notation	Determinand	Units	10 Oct 2023 11:29	7 Nov 2023 12:22	1 Dec 2023 10:19	12 Jan 2024 13:10	13 Feb 2024 10:45	11 Mar 2024 10:07	9 Apr 2024 10:39	14 May 2024 10:45	5 Jun 2024 11:10	1 Jul 2024 13:43
0061	pH		7.41	7.24	7.67	7.73	7.5	7.72	7.38	7.85	7.97	7.99
0076	Temperature of Water	°C	14.1	11.1	6.7	7.8	9.5	8.5	8.8	12.4	12.3	14.7
0077	Conductivity at 25 C	μs/cm	340	200	270	260	210	260	160	310	520	560
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	1.4	< 1	1.5	< 1	2.5	1.1	< 1	< 1
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.046	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.7	2.6	2.9	3.2	3.1	2.8	1.5	2.8	2.8	2.8
0117	Nitrate as N	mg/l	2.7	2.6	2.9	3.2	3.1	2.8	1.5	2.8	2.8	2.8
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.0042
0119	Ammonia un-ionised as N	mg/l	< 0.00019	< 0.0001	< 0.0002	< 0.00025	< 0.00017	< 0.00026	0.00019	< 0.00046	< 0.00061	< 0.00075
0135	Solids, Suspended at 105 C	mg/l	17	13	4.8	7	17	6.6	88	5.4	5.5	13
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	48	34	43	40	36	44	25	47	62	70
0172	Chloride	mg/l	51	26	36	34	27	33	24	45	85	96
0180	Orthophosphate, reactive as P	mg/l	0.018	0.015	0.015	0.022	0.019	0.013	0.012	0.015	0.017	0.033
0192	Phosphate :- {TIP}	mg/l	0.037	0.035		0.027	0.045	< 0.02	0.16	0.023	0.021	0.04
0207	Sodium	mg/l	34	17	24	23	17	24	14	32	62	65
0209	Potassium, Dissolved	mg/l	11	4.2	6.5	6.1	4.3	5.9	3.7	8.9	19	22
0211	Potassium	mg/l	11	4.2	6.5	6.1	4.3	5.9	3.7	8.9	18	22
0348	Phosphorus, Total as P	mg/l	0.04	0.053	0.025	0.03	0.065	0.031	0.2	0.031	0.042	0.044
1183	Weather : Precipitation		1	2	13	1	5	1	6	3	1	1
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	2.73	2.63	2.93	3.23	3.13	2.83	1.55	2.83	2.83	2.83
6396	Turbidity	ntu	4.9	7.4	3.6	4.6	7	2.1	33	2.9	2.2	2.6
9901	Oxygen, Dissolved, % Saturation	%	100.3	99.3	100.2	100.8	99.4	101.7	100.5	101.2	99.9	100.5
9924	Oxygen, Dissolved as O2	mg/l	10.3	10.9	12.2	12	11.3	11.9	11.7	10.8	10.7	10.2

Samples from 7 Dec 2022 to 13 Sep 2023

Notation	Determinand	Units	7 Dec 2022 12:55	24 Jan 2023 11:53	7 Feb 2023 11:06	14 Mar 2023 11:30	20 Apr 2023 12:00	4 May 2023 14:25	2 Jun 2023 11:27	31 Jul 2023 16:21	24 Aug 2023 09:55	13 Sep 2023 14:27
0061	pH		7.72	7.71	7.85	7.67		7.74	8.01	8.22	8.04	8.06
0076	Temperature of Water	°C	8.1	6.1	4.8	8.5		11.8	12.9	15.5	15.4	15.9
0077	Conductivity at 25 C	μs/cm	290			230	320	240	530	380	510	650
0085	BOD : 5 Day ATU	mg/l	1.1	1.1	1.3	< 1	1.2	< 1	1.1	< 3	< 1	< 1
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	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.1	3.3	3.2	2.7	2.5	2.9	3.2	1.5	2.4	2.8
0117	Nitrate as N	mg/l	3.1	3.3	3.2	2.7	2.5	2.9	3.19	1.5	2.4	2.8
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	0.004	< 0.004	0.0062	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00025	< 0.00021	< 0.00027	< 0.00023		< 0.00035	< 0.00068	< 0.00082	< 0.00081	< 0.00084
0135	Solids, Suspended at 105 C	mg/l	7.3	7.8	< 3	10	6.4	4.4	5.8	17	3.7	3.8
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	45	42	57	33	50	43	71	51	63	71
0172	Chloride	mg/l	41	39	60	32	46	30	85	62	87	120
0180	Orthophosphate, reactive as P	mg/l	0.011	0.019	0.017	0.01	0.018	< 0.01	0.024	0.027	0.02	0.025
0192	Phosphate :- {TIP}	mg/l	0.023	0.026	0.023	0.038	0.033	< 0.02	0.036	0.06	0.034	0.035
0207	Sodium	mg/l	27	27	43	20		20	62	49	63	81
0209	Potassium, Dissolved	mg/l	7.4	17	12	4.8		4.6	17	12	16	23
0211	Potassium	mg/l	7.3	6.6	12	4.8		4.7	17	12	16	24
0348	Phosphorus, Total as P	mg/l	0.024	0.037	0.025	0.046	0.04	0.022	0.049	0.079	0.037	0.038
1183	Weather : Precipitation		1	13	1	4		4	1	3	1	1
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	3.13	3.33	3.23	2.73	2.53	2.93	3.23	1.53	2.43	2.83
6396	Turbidity	ntu				3.1	< 1	1.9	1.6	6.8	2.4	1.8
9901	Oxygen, Dissolved, % Saturation	%	99.8	100.9	101	100.1		101	92.2	99.2	99	101.6
9924	Oxygen, Dissolved as O2	mg/l	11.8	12.5	12.9	11.7		10.9	9.71	9.86	9.86	10

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sampling point River Inny At Trecarrell Bridge

Determinands

Sampling results

Samples from 10 Oct 2023 to 1 Jul 2024

Samples from 7 Dec 2022 to 13 Sep 2023

sampling point
River Inny At Trecarrell Bridge