sampling point
The Gara At Higher North Mill

Description	THE GARA AT HIGHER NORTH MILL
Sampling point ID	SW-70810144
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 282520 47650 lat lon: 50.317048, -3.651461
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	152 samples taken between 2012 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.

34 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
COD as O2
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
Mineral Oils
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
PhenolicOdor
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 152 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 27 Apr 2012 to 17 Dec 2012

Notation	Determinand	Units	27 Apr 2012 14:27	18 Jun 2012 10:30	4 Jul 2012 13:23	2 Aug 2012 14:15	27 Sep 2012 15:30	18 Oct 2012 10:22	9 Nov 2012 12:37	21 Nov 2012 14:43	11 Dec 2012 13:46	17 Dec 2012 09:47
0061	pH		7.8		7.9	8.3	8.04	8.4	7.9	7.66	8.16
0076	Temperature of Water	°C	12.1		13.9	14.9	13	12.1	10.3	9.7	6
0077	Conductivity at 25 C	μs/cm	233		227	274	261	264	248	144	260
0085	BOD : 5 Day ATU	mg/l					< 1
0092	Chemical Oxygen Demand :- {COD}	mg/l					< 10
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.04	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.3	4.39	3.98	5.11	4.74	5.16	5.07	2.43	5.25	4.63
0117	Nitrate as N	mg/l	4.3	4.38	3.97	5.1		5.16	5.06	2.42	5.24	4.62
0118	Nitrite as N	mg/l	< 0.004	0.0052	0.0069	0.0078	0.0058	0.0049	0.0076	0.0066	0.0082	0.0085
0119	Ammonia un-ionised as N	mg/l	< 0.00041		< 0.00058	< 0.00078	< 0.00068	< 0.00064	< 0.00045	0.00033	< 0.00041
0135	Solids, Suspended at 105 C	mg/l					3.53
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	56	66	59	71		68	65	38	68	63
0172	Chloride	mg/l					19.5
0180	Orthophosphate, reactive as P	mg/l	0.028	0.025	0.042	0.038	0.034	0.029	0.027	0.067	0.03	0.041
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf					0
9901	Oxygen, Dissolved, % Saturation	%	103		96	99	106	96.7	104	99	100
9924	Oxygen, Dissolved as O2	mg/l	11		9.89	9.98	11.1	10.4	11.6	11.2	12.4

Samples from 5 Jul 2011 to 28 Mar 2012

Notation	Determinand	Units	5 Jul 2011 12:40	10 Aug 2011 09:45	8 Sep 2011 07:45	3 Oct 2011 10:35	2 Nov 2011 10:30	30 Nov 2011 09:30	20 Jan 2012 12:23	13 Feb 2012 10:29	12 Mar 2012 10:29	28 Mar 2012 10:50
0061	pH		8.1	7.6	7.8	7.6	7.5	7.9	8.1	7.73	8.1	8.1
0076	Temperature of Water	°C	13	11.7	13.5	13.2	12	9.5	9	7.3	8	8.3
0077	Conductivity at 25 C	μs/cm	300	314	305	315	266	270	266	254	266	279
0111	Ammoniacal Nitrogen as N	mg/l	0.034	0.058	0.039	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	4.43	4.27	4.01	3.76	3.96	3.94	5.44	5.52	5.32	5.4
0117	Nitrate as N	mg/l	4.42	4.26	4.01	3.76	3.95	3.93	5.43	5.51	5.32	5.4
0118	Nitrite as N	mg/l	0.0076	0.0053	0.0049	0.0047	0.0076	0.0095	0.006	0.0061	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00077	0.00048	0.00058	< 0.00028	< 0.0002	< 0.00042	< 0.00051	< 0.00024	< 0.00047	< 0.00048
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	84	87	89	90	71	69	65	62	67	71
0180	Orthophosphate, reactive as P	mg/l	0.06	0.061	0.063	0.06	0.036	0.039	0.031	0.028	0.027	0.026
9901	Oxygen, Dissolved, % Saturation	%	100	104	96.8	97	93	91	103	93	96.8	103
9924	Oxygen, Dissolved as O2	mg/l	10.5	11.3	10.1	10.2	10	10.4	11.9	11.2	11.4	12.1

Tell us whether you accept cookies

sampling point The Gara At Higher North Mill

Determinands

Sampling results

Samples from 27 Apr 2012 to 17 Dec 2012

Samples from 5 Jul 2011 to 28 Mar 2012

sampling point
The Gara At Higher North Mill