sampling point
Davidstow Stream At Tregoodwell

Description	DAVIDSTOW STREAM AT TREGOODWELL
Sampling point ID	SW-82522505
Type	Freshwater – Rivers
Status	open
Location	easting northing: 210800 83300 lat lon: 50.618639, -4.675925
Area	Devon And Cornwall
Sub-Area	West Devon And Cornwall
Summary	149 samples taken between 2022 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.

28 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
ColformsPre
Cond @ 25C
Cu Filtered
F Coli Pre
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
StrepF PMF
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 149 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 14 Jun 2021 to 1 Mar 2022

Notation	Determinand	Units	14 Jun 2021 15:32	5 Jul 2021 13:59	6 Aug 2021 13:26	14 Oct 2021 13:50	12 Nov 2021 11:25	7 Dec 2021 09:56	15 Dec 2021 14:20	13 Jan 2022 14:26	9 Feb 2022 09:11	1 Mar 2022 11:08
0061	pH		7.58	7.44	7.04	7.23	7.32	7.32	7.11	7.24	7.69	7.2
0076	Temperature of Water	°C	15	13.2	14.5	12.5	11.6	9.1	10.8	9	9.2	7.9
0077	Conductivity at 25 C	μs/cm	120	120	119	131	126	131	122	125	126	132
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.041	< 0.03	0.45	0.37	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.5	1.3	1.4	1.7	1.6	1.7	1.8	2	1.8	1.8
0117	Nitrate as N	mg/l	1.5	1.3	1.4	1.67	1.57	1.7	1.8	2	1.79	1.8
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	0.029	0.029	< 0.004	< 0.004	< 0.004	0.0057	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0003	0.00026	< 9.0e-05	0.0017	0.00161	< 0.00011	< 8.0e-05	< 9.0e-05	< 0.00025	< 8.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	14	15	18	20	16	19	15	18	17	19
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.014	0.018	0.031	0.02	0.013	0.01	< 0.01	0.012	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	105.2	100.2	97.6	99.5	99.1	98.8	99.5	100.3	99.6	99
9924	Oxygen, Dissolved as O2	mg/l	10.6	10.5	9.92	10.6	10.8	11.4	11	11.6	11.4	11.7

Samples from 4 Jul 2019 to 14 May 2021

Notation	Determinand	Units	4 Jul 2019 11:40	6 Aug 2019 14:53	2 Sep 2019 11:57	10 Oct 2019 10:27	29 Nov 2019 13:20	13 Dec 2019 14:17	7 Jan 2020 11:33	12 Feb 2020 10:40	4 Mar 2020 12:19	14 May 2021 10:59
0061	pH		7.4	7.5	7.6	7.57	7.53	7.25	7.2	7.09	7.01	7.6
0076	Temperature of Water	°C	13.8	16.1	14.2	12.2	10.4	8.8	10.4	7.8	9.4	11.1
0077	Conductivity at 25 C	μs/cm	121	70	123	127	122	132	125	132	124	122
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.049	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.6	1.3	1.4	1.9	1.9	2.2	1.8	2	1.8	1.1
0117	Nitrate as N	mg/l	1.6	1.3	1.4	1.89	1.89	2.2	1.8	2	1.8	1.1
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	0.0063	0.0052	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00018	0.00045	< 0.0003	< 0.00024	< 0.00019	< 9.0e-05	< 9.0e-05	< 6.0e-05	< 5.0e-05	< 0.00024
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	15	18	15	16	18	19	16	18	17	13
0180	Orthophosphate, reactive as P	mg/l	0.014	0.035	0.01	0.014	0.014	0.012	< 0.01	0.015	0.013	0.088
9901	Oxygen, Dissolved, % Saturation	%	95.6	93	100.8	99	98.5	99.1	101	96.7	102.1	100.1
9924	Oxygen, Dissolved as O2	mg/l	9.87	9.14	10.3	10.6	11	11.5	11.3	11.5	11.7	11

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sampling point Davidstow Stream At Tregoodwell

Determinands

Sampling results

Samples from 14 Jun 2021 to 1 Mar 2022

Samples from 4 Jul 2019 to 14 May 2021

sampling point
Davidstow Stream At Tregoodwell