sampling point
East Looe River At Looe Mills

Description	EAST LOOE RIVER AT LOOE MILLS
Sampling point ID	SW-81420288
Type	Freshwater – Rivers
Status	open
Location	easting northing: 223262 64652 lat lon: 50.45501, -4.491098
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	125 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.

30 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Chlorophyl-A
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
OrthophsFilt
Oxygen Diss
Phosphorus-P
Potassium- K
SiO2 Rv
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 125 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 6 Jul 2023 to 5 Mar 2024

Notation	Determinand	Units	6 Jul 2023 14:42	9 Aug 2023 15:33	12 Sep 2023 12:54	9 Oct 2023 12:41	9 Nov 2023 13:56	6 Dec 2023 14:41	19 Dec 2023 10:13	2 Jan 2024 15:07	5 Feb 2024 11:25	5 Mar 2024 15:32
0061	pH		7.53	7.63	7.68	7.12	7.3	7.35	7.39	7.22	7.43	7.37
0076	Temperature of Water	°C	14.2	15.2	15.9	12.9	11.4	10	11.6	11.2	10.3	10.9
0077	Conductivity at 25 C	μs/cm	208	198	201	195	182	188	163	177	195	179
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.07	0.051	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.8	3.8	3.8	4	4	4.2	3.3	3.5	4.3	3.8
0117	Nitrate as N	mg/l	3.8	3.8	3.8	4	4	4.2	3.29	3.5	4.29	3.8
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0043	< 0.004	< 0.004	< 0.004	0.0076	0.0042	0.0055	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00026	< 0.00035	< 0.00041	< 9.0e-05	< 0.00012	< 0.00012	0.00036	0.00017	< 0.00015	< 0.00014
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	42	39	41	37	34	34	33	32	36	34
0180	Orthophosphate, reactive as P	mg/l	0.021	0.023	0.022	0.019	0.015	0.012	0.035	0.022	0.027	0.015
9901	Oxygen, Dissolved, % Saturation	%	98.5	97.3	99	100.9	100.4	98.3	97.9	98.5	98.5	99.3
9924	Oxygen, Dissolved as O2	mg/l	10.1	9.74	9.77	10.6	10.9	11.1	10.6	10.8	11	11

Samples from 11 Aug 2022 to 9 Jun 2023

Notation	Determinand	Units	11 Aug 2022 12:37	6 Sep 2022 13:22	3 Oct 2022 12:33	4 Nov 2022 13:21	7 Dec 2022 15:36	18 Jan 2023 15:11	1 Feb 2023 12:58	8 Mar 2023 11:55	10 May 2023 13:28	9 Jun 2023 13:40
0061	pH		7.65	8.02	7.53	7.44	7.45	7.57	7.78	7.59	7.48	8
0076	Temperature of Water	°C	16.2	15.7	11.7	12.1	9.3	9.1	9.4	7.9	12.5	15.1
0077	Conductivity at 25 C	μs/cm	218	249	235	189	193	200	196	260	181	204
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	3.5	2.6	2.8	3.9	4.2	4.7	4.2	3	3.4	4
0117	Nitrate as N	mg/l	3.5	2.6	2.8	3.9	4.2	4.7	4.2	3	3.4	4
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00039	< 0.00083	< 0.00021	< 0.00018	< 0.00015	< 0.00019	< 0.00032	0.00018	< 0.0002	< 0.00079
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	48	44	46	33	38	28	36	37	36	38
0180	Orthophosphate, reactive as P	mg/l	0.025	0.032	0.021	0.019	0.011	0.016	0.016	0.022	0.013	0.022
9901	Oxygen, Dissolved, % Saturation	%	98.5	97.9	96	94.1	100.4	99.1	99.7	100	100.6	99.5
9924	Oxygen, Dissolved as O2	mg/l	9.66	9.7	10.4	10.1	11.5	11.4	11.4	11.9	10.7	9.99

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sampling point East Looe River At Looe Mills

Determinands

Sampling results

Samples from 6 Jul 2023 to 5 Mar 2024

Samples from 11 Aug 2022 to 9 Jun 2023

sampling point
East Looe River At Looe Mills