sampling point
Lestraines River U/S Constantine Stw

Description	LESTRAINES RIVER ABOVE CONSTANTINE STW
Sampling point ID	SW-81915135
Type	Freshwater – Rivers
Status	open
Location	easting northing: 173740 28870 lat lon: 50.116695, -5.166295
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	112 samples taken between 2019 and 2004

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.

27 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BacCF128
BacHF183
ColformsPre
Cond @ 25C
E.coli C-MF
E.coli Pres
F Coli Pre
F+Coliphage
F+II/IIIphag
F+IV phage
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphate
Phosphorus-P
Site Number
Sld Sus@105C
StrepF PMF
Temp Water
Time
pH

Displaying the twenty most recent samples. You can see all 112 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 12 Apr 2018 to 1 Jul 2019

Notation	Determinand	Units	12 Apr 2018 12:33	25 Apr 2018 09:23	9 Jul 2018 12:15	23 Jul 2018 14:45	25 Sep 2018 16:11	20 Nov 2018 10:47	10 Jan 2019 14:08	27 Mar 2019 11:51	17 May 2019 12:29	1 Jul 2019 12:29
0061	pH		6.95	6.95	7.34	7.05	8	7.23	7.47	7.56	7.45	7.3
0076	Temperature of Water	°C	10.1	10.1	17.2	16.5	11.1	7.9	7.4	9.7	10.9	13.6
0077	Conductivity at 25 C	μs/cm	183	183	195	198	218	196	190	190	183	179
0111	Ammoniacal Nitrogen as N	mg/l	0.0044	0.0023	< 0.03	0.0039	< 0.03	< 0.03	< 0.03	0.232	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.93	3.73	3.92	3.93	3.25	4.08	4.47	4.07	3.93	4
0117	Nitrate as N	mg/l	3.93	3.73	3.92	3.93	3.25	4.08	4.47	4.06	3.93	4
0118	Nitrite as N	mg/l	0.00158	0.00108	< 0.004	0.00133	< 0.004	< 0.004	< 0.004	0.0057	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 1.0e-05	< 1.0e-05	< 0.00021	1.0e-05	< 0.00059	< 8.0e-05	< 0.00013	0.00152	< 0.00017	< 0.00014
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	16	16	17	15	17	15	13	16	14	12
0180	Orthophosphate, reactive as P	mg/l	0.0097	0.0083	0.022	0.0242	0.019	< 0.01	< 0.01	< 0.01	0.01	0.014
9901	Oxygen, Dissolved, % Saturation	%	100	100	99.6	99.5	104.5	96.4	100.2	102.8	100.1	101.5
9924	Oxygen, Dissolved as O2	mg/l	11.2	11.2	9.56	9.69	11.5	11.4	12	11.7	11	10.5

Samples from 9 Jan 2017 to 1 Feb 2018

Notation	Determinand	Units	9 Jan 2017 11:24	14 Mar 2017 13:44	18 Apr 2017 13:43	8 Jun 2017 16:08	17 Jul 2017 14:04	23 Aug 2017 11:05	12 Sep 2017 14:33	6 Nov 2017 10:35	23 Nov 2017 11:21	1 Feb 2018 09:56
0061	pH		7.21	6.85	7.26	7.16	7.47	7.35	7.49	7.29	7.24	7.26
0076	Temperature of Water	°C	9.7	10.9	11.6	13.3	15.3	14.4	13.1	8.9	10.3	8.2
0077	Conductivity at 25 C	μs/cm	188	187	184	183	193	189	187	193	198	191
0111	Ammoniacal Nitrogen as N	mg/l	0.0062	0.0031	0.0024	0.0208	0.0049	0.0046	0.0032	< 0.002	0.0142	0.009
0116	Nitrogen, Total Oxidised as N	mg/l	4.32	4.3	4.2	2.86	4.06	4.09	3.93	4.25	4.12	4.55
0117	Nitrate as N	mg/l	4.32	4.3	4.2	2.86	4.06	4.09	3.93	4.25	4.12	4.55
0118	Nitrite as N	mg/l	0.00303	0.00172	0.00134	0.0046	0.00137	0.0019	< 0.001	< 0.001	0.00204	0.00286
0119	Ammonia un-ionised as N	mg/l	2.0e-05	< 1.0e-05	< 1.0e-05	7.0e-05	4.0e-05	3.0e-05	2.0e-05	< 1.0e-05	5.0e-05	3.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	14	15	15	18	18	17	18	17	17	17
0180	Orthophosphate, reactive as P	mg/l	0.0118	0.0098	0.0061	0.0247	0.0228	0.0161	0.0135	0.0094	0.0154	0.0113
9901	Oxygen, Dissolved, % Saturation	%	99.5	100	102.4	96.4	100.4	105.7	100.5	99.5	95.3	97.3
9924	Oxygen, Dissolved as O2	mg/l	11.3	11	11.1	10.1	10	10.8	10.5	11.5	10.7	11.4

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sampling point Lestraines River U/S Constantine Stw

Determinands

Sampling results

Samples from 12 Apr 2018 to 1 Jul 2019

Samples from 9 Jan 2017 to 1 Feb 2018

sampling point
Lestraines River U/S Constantine Stw