sampling point
River Culm 200 M D/S Silverton Mill

Description	RIVER CULM AT POINT 200M BELOW SILVERTON MILL
Sampling point ID	SW-70531079
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 297450 101361 lat lon: 50.8027, -3.456645
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	70 samples taken between 2006 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
Chlorophyl-A
Cu Filtered
Hardness
Hdnss Ca
Hdnss Mg
Magnesium-Mg
N Inorganic
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
Potassium- K
SiO2 Rv
Sld Sus@105C
Temp Water
Type of Flow
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 70 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Jan 2006 to 21 Dec 2006

Notation	Determinand	Units	23 Jan 2006 14:05	7 Apr 2006 12:35	28 Apr 2006 13:00	19 May 2006 12:45	7 Jun 2006 13:15	25 Jul 2006 13:30	25 Aug 2006 13:30	15 Sep 2006 13:00	9 Nov 2006 14:10	21 Dec 2006 08:45
0061	pH		7.8	7.7	8	7.9	7.8	7.7	7.7	7.8	7.8	7.7
0076	Temperature of Water	°C	5	8.3	13.6	13.4	18	20.7	15.5	17	9.1	4
0085	BOD : 5 Day ATU	mg/l	1.77	2.1	2.1	2.1	1.9	< 1	< 2.9	1.2	7.3	2
0111	Ammoniacal Nitrogen as N	mg/l	0.129	0.085	0.043	0.123	0.159	0.083	0.071	0.032	0.432	0.118
0116	Nitrogen, Total Oxidised as N	mg/l	6.58	6.16	5.19	5.76	6.59	5.71	4.93	6.11	6.22	6.73
0117	Nitrate as N	mg/l	6.53	6.13	5.15	5.67	6.45	5.65	4.88	6.06	6.09	6.67
0118	Nitrite as N	mg/l	0.0491	0.0328	0.0449	0.0929	0.145	0.0614	0.0524	0.0492	0.126	0.0641
0119	Ammonia un-ionised as N	mg/l	0.00103	0.00069	0.00102	0.0023	0.00331	0.00168	0.00098	0.00062	0.00468	0.0007
0180	Orthophosphate, reactive as P	mg/l	0.178	0.165	0.204	0.255	0.272	0.342	0.296	0.471	0.326	0.196
0211	Potassium	mg/l	4.22	4.1	3.74	4.7	4.1	5.79
1183	Weather : Precipitation		1	3	1	2	1	1	1	1	1	13
3267	Type of flow as description		3	3	3	3	3	3	2	2	3	3
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	6.71	6.25	5.23	5.88	6.75	5.79
6450	Copper, Dissolved	μg/l	1.6	1.7	1.5	2.2	1.9	2	2	1.5	2	1.2
6455	Zinc	μg/l	< 5	6	< 5	5.1	< 5	36.2	14.1	< 5	10.8	5.4
9901	Oxygen, Dissolved, % Saturation	%	102	97.7	109	98	100	77	86	105	92.2	104
9924	Oxygen, Dissolved as O2	mg/l	13	11.5	11.3	10.2	9.44	6.89	8.56	10.1	10.6	13.6

Samples from 31 Mar 2005 to 12 Jan 2006

Notation	Determinand	Units	31 Mar 2005 11:35	28 Apr 2005 13:45	1 Jun 2005 11:15	13 Jul 2005 11:10	3 Aug 2005 11:30	1 Sep 2005 10:15	25 Oct 2005 11:25	23 Nov 2005 09:35	14 Dec 2005 09:50	12 Jan 2006 11:15
0061	pH		7.6	7.7	7.8	7.7	7.8	7.7	7.7	7.7	7.9	8
0076	Temperature of Water	°C	9	11	14.2	20.8	17	17.5	13.5	4.5	8.5	7
0085	BOD : 5 Day ATU	mg/l	2.93	3.25	2.28	1.88	1.31	1.77	< 2.92		2.3	1.44
0111	Ammoniacal Nitrogen as N	mg/l	0.153	0.184	0.106	0.071	0.093	0.112	0.139	0.185	0.218	0.149
0116	Nitrogen, Total Oxidised as N	mg/l	5.79	4.19	5.62	5.66	5.59	5.45	5.54	6.84	7.18	6.55
0117	Nitrate as N	mg/l	5.75	4.13	5.56	5.58	5.52	5.39	5.48	6.77	7.12	6.49
0118	Nitrite as N	mg/l	0.0429	0.0551	0.0614	0.0814	0.0717	0.063	0.0593	0.0659	0.0594	0.0554
0119	Ammonia un-ionised as N	mg/l	0.00104	0.00183	0.00167	0.00145	0.0018	0.0018	0.00166	0.00114	0.00284	0.00218
0180	Orthophosphate, reactive as P	mg/l	0.191	0.208	0.288	0.33	0.334	0.37	0.277	0.223	0.154	0.177
0211	Potassium	mg/l	5.3	5.81	4.14	4.67	5.01	4.71	8.04	4.64	4.63	4.59
1183	Weather : Precipitation		1	5	2	1	1	1	6	13	1	1
3267	Type of flow as description		3	3	3	3	2	2	4	3	3	3
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	5.94	4.37	5.73	5.73	5.68	5.56	5.68	7.03	7.4	6.7
6450	Copper, Dissolved	μg/l	3	3.5	1.5	1.7	2.4	2	5.2	1.4	1.6	1.6
6455	Zinc	μg/l	7.1	11.5	5.4	< 5	5.7	< 5	20.7	6.1	7.1	6.1
9901	Oxygen, Dissolved, % Saturation	%	100	94	93	80	84	84	84	86	97	94
9924	Oxygen, Dissolved as O2	mg/l	11.5	10.3	9.52	7.14	8.1	8.01	8.73	11.1	11.3	11.4

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sampling point River Culm 200 M D/S Silverton Mill

Determinands

Sampling results

Samples from 23 Jan 2006 to 21 Dec 2006

Samples from 31 Mar 2005 to 12 Jan 2006

sampling point
River Culm 200 M D/S Silverton Mill