sampling point
River Duntz At Orleigh Mills

Description	RIVER DUNTZ AT ORLEIGH MILLS
Sampling point ID	SW-72912004
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 243920 122410 lat lon: 50.979884, -4.224781
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	112 samples taken between 2010 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.

39 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
F Coli Pre
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
OrthophsFilt
Oxygen Diss
Phenol Odour
PhenolicOdor
Phosphorus-P
Potassium- K
Salinity
Salinty Cond
Sld Sus@105C
StrepF PMF
Temp Water
Type of Flow
WethPresPrec
WethTdy 1-6
WethYdy Temp
Zinc - as Zn
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 15 Jul 2009 to 18 Mar 2010

Notation	Determinand	Units	15 Jul 2009 09:50	18 Aug 2009 14:50	10 Sep 2009 10:00	23 Sep 2009 14:45	20 Oct 2009 10:30	3 Dec 2009 12:15	15 Jan 2010 09:45	1 Feb 2010 10:40	10 Feb 2010 13:45	18 Mar 2010 12:30
0061	pH		6.9	7.5	7.3	7.3	7.4	7	7.5	7.2	7.39	7.7
0076	Temperature of Water	°C	14.5	15.5	12.6	14.3	10	8.3	5	4	3.95	8.3
0077	Conductivity at 25 C	μs/cm	234	183	222	188	232	236	175	226	206	222
0085	BOD : 5 Day ATU	mg/l	2.5	< 1	< 1	< 1	1.4	1.1	4.8	< 1	< 1	1.2
0111	Ammoniacal Nitrogen as N	mg/l	0.472	< 0.03	0.067	0.08	< 0.03	0.12	0.296	0.055	0.047	0.068
0116	Nitrogen, Total Oxidised as N	mg/l	2.33	3.63	4.01	3.73	2.59	3.42	2.76	3.96	4.59	3.5
0117	Nitrate as N	mg/l	2.23	3.63	3.99	3.71	2.57	3.4	2.73	3.94	4.57	3.48
0118	Nitrite as N	mg/l	0.101	0.004	0.0174	0.0177	0.0204	0.022	0.029	0.0232	0.02	0.0186
0119	Ammonia un-ionised as N	mg/l	0.00097	< 0.00026	0.0003	0.00041	< 0.00014	0.0002	0.00119	0.0001	0.00014	0.00055
0135	Solids, Suspended at 105 C	mg/l	21.4	< 3	3.5	4.5	3.4	24.1	270	3.77	4.87	3.85
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	49	46	47	52	55	45	31	41	39	45
0180	Orthophosphate, reactive as P	mg/l	0.134	0.066	0.082	0.092	0.056	0.048	0.04	0.024	< 0.02	0.048
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	2.4	2.1	1.9	1.3	3.5	3.1	1.6	1.3	< 1	< 1
6455	Zinc	μg/l	15.4	< 5	12.6	< 5	11.3	8.71	34.4	6.3	< 5	< 5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	97	101	102	95	103	97	95	95	101	96
9924	Oxygen, Dissolved as O2	mg/l	9.86	10	10.8	9.7	11.6	11.4	12.1	12.4	13.2	11.3

Samples from 3 Sep 2008 to 6 Jul 2009

Notation	Determinand	Units	3 Sep 2008 12:55	12 Nov 2008 12:25	5 Dec 2008 13:55	16 Dec 2008 12:15	27 Jan 2009 12:15	9 Mar 2009 12:00	29 Apr 2009 12:30	3 Jun 2009 11:20	12 Jun 2009 13:15	6 Jul 2009 14:50
0061	pH		7.3	7.3	6.8	7.2	7.2	7.7	8	7.6	7.9	7.4
0076	Temperature of Water	°C	13.1	9	7.9	6.7	7.3	6.5	9.7	15	14	15.6
0077	Conductivity at 25 C	μs/cm	230	216	212	236	220	220	217	220	204	254
0085	BOD : 5 Day ATU	mg/l	1.6	1.2	2.5	7.3	< 1	1.1	4.1	< 1	< 1	6
0111	Ammoniacal Nitrogen as N	mg/l	0.105	0.124	0.293	0.285	0.057	0.068	0.268	< 0.03	< 0.03	0.055
0116	Nitrogen, Total Oxidised as N	mg/l	5.15	5.24	3.88	5.71	4.94	4.43	2.42	3.01	2.56	2.32
0117	Nitrate as N	mg/l	5.13	5.22	3.85	5.68	4.92	4.41	2.41	3	2.55	2.29
0118	Nitrite as N	mg/l	0.0204	0.0245	0.0271	0.0318	0.0204	0.0175	0.0065	0.0141	0.0091	0.0296
0119	Ammonia un-ionised as N	mg/l	0.00049	0.00043	0.00029	0.00065	0.00014	0.00048	0.00478	< 0.00032	< 0.00059	0.00039
0135	Solids, Suspended at 105 C	mg/l	7.3	11.4	28.1	8.8	6.4	6.1	4.8	5	4.8	82.9
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	47	42	41	43	36	41	51	47	48	56
0180	Orthophosphate, reactive as P	mg/l	0.057	0.054	0.078	0.064	0.037	0.034	0.244	0.087	0.094	0.203
0664	Visible oil or grease, significant trace: Present/Not found (1/0)	pres/nf	0	0	0	0	0	0	0	0	0	0
6450	Copper, Dissolved	μg/l	1.8	1.2		1.2	1.5	2.9	1.5	1.1	1.6	4.1
6455	Zinc	μg/l	< 5	9.4	6.7	< 5	5.1	6.2	< 5	30.1	< 5	31.5
6841	Phenolic Odour	pres/nf	0	0	0	0	0	0	0	0	0	0
9901	Oxygen, Dissolved, % Saturation	%	98	94	94	95	96.2	95.6	98	97	99	101
9924	Oxygen, Dissolved as O2	mg/l	10.3	10.8	11.1	11.6	11.6	11.7	11.1	9.76	10.2	10

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sampling point River Duntz At Orleigh Mills

Determinands

Sampling results

Samples from 15 Jul 2009 to 18 Mar 2010

Samples from 3 Sep 2008 to 6 Jul 2009

sampling point
River Duntz At Orleigh Mills