sampling point
Withey Brook U/S River Lynher

Description	WITHEY BROOK PRIOR TO RIVER LYNHER
Sampling point ID	SW-91253904
Type	Freshwater – Rivers
Status	open
Location	easting northing: 226100 77230 lat lon: 50.568869, -4.45702
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	222 samples taken between 2019 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.

54 determinands have been measured at this site

Action taken
Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
Arsenic - As
As-Filtered
BOD ATU
C - Org Filt
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd Filtered
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
Fe- Filt
Hardness
Hdnss Ca
Hdnss Mg
Iron - as Fe
Lead - as Pb
Magnesium-Mg
Manganse-Mn
Mg Filtered
Mineral Oils
Mn- Filtered
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Pb Filtered
Phenol Odour
PhenolicOdor
Potassium- K
Sld Sus@105C
Sodium - Na
Sulphate SO4
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 222 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 May 2018 to 3 Jun 2019

Notation	Determinand	Units	29 May 2018 11:19	19 Jul 2018 10:31	22 Aug 2018 09:45	18 Sep 2018 09:56	5 Nov 2018 14:59	22 Nov 2018 12:38	8 Feb 2019 15:16	7 Mar 2019 12:07	9 Apr 2019 14:13	3 Jun 2019 13:05
0061	pH		7.12	7.12	7.77	7.87	5.93	6.71	5.97	6.23	6.89	7.54
0076	Temperature of Water	°C	14.2	13.6	15.6	14.5	10.5	7	8.7	8.1	10.3	13
0077	Conductivity at 25 C	μs/cm	67	72	69	71	66	69	71	64	64	68
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	0.54	0.47	0.41	0.37	0.24	0.44	0.39	0.55	0.5	0.38
0117	Nitrate as N	mg/l	0.536	0.466	0.406	0.366	0.236	0.436	0.386	0.546	0.496	0.376
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	< 0.0001	< 0.0001	< 0.00049	< 0.00057	< 1.0e-05	< 2.0e-05	< 1.0e-05	< 1.0e-05	< 4.0e-05	< 0.00024
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	8	7	7	5	< 5	< 5	< 5	< 5	< 5	6
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.023	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	106.9	95.7	102.9	97.1	98.1	101.8	100.5	99.8	98.2	99.1
9924	Oxygen, Dissolved as O2	mg/l	10.9	9.93	10.2	9.87	10.9	12.3	11.7	11.8	11	10.4

Samples from 25 Nov 2016 to 26 Apr 2018

Notation	Determinand	Units	25 Nov 2016 13:11	12 Jan 2017 15:21	15 Feb 2017 11:21	27 Apr 2017 15:35	28 Sep 2017 10:49	17 Oct 2017 12:45	6 Dec 2017 12:39	12 Jan 2018 11:42	22 Mar 2018 14:12	26 Apr 2018 09:51
0061	pH		6.01	6.7	6.64	7.05	5.79	6.96	6.67	5.96	6.88	6.7
0076	Temperature of Water	°C	7.9	7.1	8.4	8.9	12.4	11.2	9.2	6.7	7.2	9.6
0077	Conductivity at 25 C	μs/cm	74	62	68	66	56	66	71	73	70	67
0111	Ammoniacal Nitrogen as N	mg/l	0.051	< 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	0.64	0.44	0.51	0.47	0.22	0.52	0.64	0.66	0.68	0.46
0117	Nitrate as N	mg/l	0.636	0.436	0.506	0.466	0.216	0.516	0.636	0.656	0.676	0.456
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	< 1.0e-05	< 2.0e-05	< 2.0e-05	< 6.0e-05	< 1.0e-05	< 6.0e-05	< 2.0e-05	< 1.0e-05	< 3.0e-05	< 3.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	6	9	< 5	5	5	6	< 5	< 5	5	6
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	100	97.4	101.7	99.1	99.7	100.7	100.5	99.6	105.1	100
9924	Oxygen, Dissolved as O2	mg/l	11.9	11.8	11.9	11.5	10.6	11	11.5	12.2	12.7	11.4

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sampling point Withey Brook U/S River Lynher

Determinands

Sampling results

Samples from 29 May 2018 to 3 Jun 2019

Samples from 25 Nov 2016 to 26 Apr 2018

sampling point
Withey Brook U/S River Lynher