sampling point
East Looe River At Trussel Bridge

Description	EAST LOOE RIVER AT TRUSSEL BRIDGE
Sampling point ID	SW-81420261
Type	Freshwater – Rivers
Status	open
Location	easting northing: 224545 62050 lat lon: 50.432018, -4.471823
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	266 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.

42 determinands have been measured at this site

Action taken
Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
B. globigii
BOD ATU
CHLOROPHYLL
COD as O2
Calcium - Ca
Chloride Ion
Chlorophyl-A
ColformsPre
Cond @ 20C
Cond @ 25C
Cu Filtered
F Coli Pre
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
SiO2 Rv
Sld NV@500C
Sld Sus@105C
StrepF PMF
Temp Water
TurbidityNTU
Type of Flow
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 266 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Jul 2023 to 7 Mar 2024

Notation	Determinand	Units	10 Jul 2023 12:31	14 Aug 2023 10:32	26 Sep 2023 10:52	11 Oct 2023 11:29	17 Nov 2023 11:34	12 Dec 2023 13:55	8 Jan 2024 13:08	1 Feb 2024 15:12	14 Feb 2024 13:08	7 Mar 2024 11:41
0061	pH		7.7	7.59	7.4	7.63	7.19	7.57	7.62	7.77	7.35	7.51
0076	Temperature of Water	°C	15.5	15.9	14.1	14.7	11	11.6	9	10	11.6	10.6
0077	Conductivity at 25 C	μs/cm	382	301	260	330	219	217	220	258	220	220
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.063	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	7.6	6	5	7.5	4.2	4.1	4.6	5.2	4	4.3
0117	Nitrate as N	mg/l	7.59	5.99	5	7.5	4.2	4.09	4.6	5.2	4	4.3
0118	Nitrite as N	mg/l	0.0083	0.014	< 0.004	0.0044	< 0.004	0.008	< 0.004	< 0.004	0.0044	0.0047
0119	Ammonia un-ionised as N	mg/l	< 0.00042	< 0.00033	< 0.00019	< 0.00033	< 9.0e-05	0.00049	< 0.00021	< 0.00032	< 0.00014	< 0.00019
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	65	53	57	63	49	47	44	50	46	45
0180	Orthophosphate, reactive as P	mg/l	0.05	0.089	0.037	0.1	0.028	0.057	0.023	0.063	0.088	0.042
9901	Oxygen, Dissolved, % Saturation	%	98.2	96.4	97	99.2	99.2	99.9	98.1	100.3	98.5	98.9
9924	Oxygen, Dissolved as O2	mg/l	9.77	9.51	9.95	10	10.9	10.8	11.3	11.3	10.7	11

Samples from 11 Aug 2022 to 14 Jun 2023

Notation	Determinand	Units	11 Aug 2022 12:06	29 Sep 2022 13:17	18 Oct 2022 14:38	1 Nov 2022 13:01	1 Dec 2022 13:48	18 Jan 2023 14:40	1 Feb 2023 12:27	8 Mar 2023 11:33	10 May 2023 13:00	14 Jun 2023 10:37
0061	pH		7.71	7.69	7.49	7.51	7.65	7.59	7.61	7.55	7.68	8.14
0076	Temperature of Water	°C	17.4	13	13.7	12.9	11	8.7	9.2	8.1	12.4	15.5
0077	Conductivity at 25 C	μs/cm	572	436	405	286	108	226	273	468	215	363
0111	Ammoniacal Nitrogen as N	mg/l	0.049	0.051	< 0.03	0.094	< 0.03	0.091	< 0.03	0.29	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	16	13	10	5.4	4.9	4.7	6	6.6	3.8	8.9
0117	Nitrate as N	mg/l	16	13	9.99	5.39	4.9	4.69	5.99	6.57	3.8	8.89
0118	Nitrite as N	mg/l	0.0097	0.012	0.012	0.01	< 0.004	0.0096	0.0081	0.029	< 0.004	0.0061
0119	Ammonia un-ionised as N	mg/l	0.0008	0.00057	< 0.00023	0.0007	< 0.00027	0.00059	< 0.00021	0.00165	< 0.00032	< 0.00082
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	66	60	65	49	49	39	52	53	45	60
0180	Orthophosphate, reactive as P	mg/l	0.11	0.064	0.1	0.067	0.05	0.034	0.045	0.14	0.032	0.062
9901	Oxygen, Dissolved, % Saturation	%	95.8	99.2	98.3	99.7	95.3	97.1	99.3	99.2	102.5	96.8
9924	Oxygen, Dissolved as O2	mg/l	9.16	10.4	10.2	10.5	10.5	11.3	11.4	11.7	10.9	9.63

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sampling point East Looe River At Trussel Bridge

Determinands

Sampling results

Samples from 10 Jul 2023 to 7 Mar 2024

Samples from 11 Aug 2022 to 14 Jun 2023

sampling point
East Looe River At Trussel Bridge