sampling point
Quither Brook U/S River Lyd

Description	QUITHER BROOK PRIOR TO RIVER LYD
Sampling point ID	SW-81261102
Type	Freshwater – Rivers
Status	open
Location	easting northing: 242615 83971 lat lon: 50.634129, -4.226865
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	178 samples taken between 2017 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.

29 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Cond @ 20C
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
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Potassium- K
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 178 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Feb 2015 to 27 Apr 2017

Notation	Determinand	Units	4 Feb 2015 14:33	4 Jun 2015 12:07	6 Aug 2015 10:10	9 Nov 2015 10:28	8 Mar 2016 10:27	13 Jun 2016 11:14	19 Sep 2016 10:28	8 Dec 2016 14:31	23 Jan 2017 11:45	27 Apr 2017 14:35
0061	pH		7.2	7.53	7.54	7.48	7.51	7.56	7.43	7.35	7.5	7.71
0076	Temperature of Water	°C	6.4	12.3	14.4	11.6	7.2	14.6	13.5	11.6	4.1	9.4
0077	Conductivity at 25 C	μs/cm	162	169	193	159	170	179	140	170	167	169
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	3.21	2.22	1.89	2.57	2.99	2.5	2.41	2.44	2.82	2.92
0117	Nitrate as N	mg/l	3.21	2.21	1.87	2.57	2.99	2.49	2.4	2.43	2.82	2.92
0118	Nitrite as N	mg/l	< 0.004	0.0054	0.0179	< 0.004	< 0.004	0.008	0.0063	0.0052	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 7.0e-05	< 0.00022	< 0.00027	< 0.00019	< 0.00015	< 0.00028	< 0.00019	< 0.00014	< 0.00011	< 0.00027
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	32	37	48	28	33	42	47	36	36	35
0180	Orthophosphate, reactive as P	mg/l	0.024	0.039	0.04	0.138	0.023	0.041	0.049	0.032	0.024	0.02
9901	Oxygen, Dissolved, % Saturation	%	102.1	97.5	98	98.1	100.8	97.5	92.8	95.7	100.2	99.8
9924	Oxygen, Dissolved as O2	mg/l	12.6	10.4	9.99	10.6	12.2	9.89	9.65	10.4	13.1	11.4

Samples from 17 Jul 2013 to 24 Oct 2014

Notation	Determinand	Units	17 Jul 2013 11:05	19 Aug 2013 11:55	16 Sep 2013 10:42	22 Oct 2013 14:08	7 Nov 2013 13:30	9 Dec 2013 12:37	16 Jan 2014 11:41	10 Apr 2014 12:18	25 Jul 2014 13:36	24 Oct 2014 13:05
0061	pH		7.8	8.12	7.5	7.2	7.5	7.59	7.5	7.7	7.6	7.6
0076	Temperature of Water	°C	15.2	14.7	11.5	13.7	11.4	7.8	9	10.4	18	13.4
0077	Conductivity at 25 C	μs/cm			139			170	150	154	187	158
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.048	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l			0.73			3.07	2.84	2.4	2.69	2.21
0117	Nitrate as N	mg/l			0.726			3.07	2.83	2.4	2.68	2.21
0118	Nitrite as N	mg/l	0.0068	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.006	< 0.004	0.007	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00051	< 0.00077	< 0.0002	< 0.00012	< 0.00019	< 0.00018	0.00026	< 0.00029	< 0.0004	< 0.00028
0135	Solids, Suspended at 105 C	mg/l	3.43	< 3	< 3	57.9	16	13.3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l			29			37	29	30	44	32
0180	Orthophosphate, reactive as P	mg/l			< 0.02			0.029	0.034	< 0.02	0.035	0.022
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	< 1	1.11	1.17	2.89	< 1	< 1
6455	Zinc	μg/l	< 5	< 5	< 5	27.4	< 5	< 5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	97.3	92.9	95.9	97.8	101.5	97.5	98.6	99.5	102	105.3
9924	Oxygen, Dissolved as O2	mg/l	9.74	9.4	10.4	10.1	11.1	11.6	11.4	11.1	9.63	11

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sampling point Quither Brook U/S River Lyd

Determinands

Sampling results

Samples from 4 Feb 2015 to 27 Apr 2017

Samples from 17 Jul 2013 to 24 Oct 2014

sampling point
Quither Brook U/S River Lyd