sampling point
River Culm 50 M D/S Weir U/S Silverton Mi

Description	RIVER CULM 50M BELOW WEIR ABOVE SILVERTON MILL
Sampling point ID	SW-70531093
Type	Freshwater – Rivers
Status	open
Location	easting northing: 297821 101021 lat lon: 50.799709, -3.451287
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	97 samples taken between 2018 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.

26 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
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
Orthophospht
Oxygen Diss
Potassium- K
Temp Water
Type of Flow
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 97 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 3 Jan 2014 to 18 May 2018

Notation	Determinand	Units	3 Jan 2014 11:20	3 Jul 2014 09:28	17 Oct 2014 13:16	28 Dec 2016 09:07	16 Jan 2017 12:50	6 Apr 2017 10:31	6 Jul 2017 11:29	2 Oct 2017 13:39	1 Feb 2018 10:27	18 May 2018 10:40
0061	pH		7.54	7.9	7.45	7.78	7.8	8.01	7.81	7.8	8.12	8.04
0076	Temperature of Water	°C	7.2	16.4	13.8	4.4	7.7	9.9	19.3	14.4	5.9	13
0077	Conductivity at 25 C	μs/cm	260	421	278	198	392	409	440	382	403	426
0111	Ammoniacal Nitrogen as N	mg/l	0.182	0.088	0.128	0.29	0.171	0.101	0.109	0.075	0.209	0.086
0116	Nitrogen, Total Oxidised as N	mg/l	3.5	5.79	4	5.4	5.78	5.15	5.59	3.99	5.34	6.23
0117	Nitrate as N	mg/l	3.47	5.71	3.94	5.34	5.73	5.1	5.48	3.93	5.28	6.16
0118	Nitrite as N	mg/l	0.0251	0.0849	0.0572	0.0636	0.0525	0.0454	0.109	0.0599	0.0589	0.067
0119	Ammonia un-ionised as N	mg/l	0.00095	0.00204	0.00088	0.00212	0.00167	0.00183	0.00256	0.0012	0.00282	0.00195
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	68	127	71	112	116	123	120	115	126	142
0180	Orthophosphate, reactive as P	mg/l	0.206	0.242	0.224	0.227	0.153	0.158	0.296	0.208	0.156	0.16
9901	Oxygen, Dissolved, % Saturation	%	87.8	98.6	85	98.3	97	95	82.9	88	94.2	88.5
9924	Oxygen, Dissolved as O2	mg/l	10.6	9.62	8.78	12.7	11.6	10.7	7.62	8.97	11.7	9.3

Samples from 7 Jun 2006 to 2 Dec 2013

Notation	Determinand	Units	7 Jun 2006 12:50	25 Jul 2006 12:50	25 Aug 2006 13:45	15 Sep 2006 12:25	9 Nov 2006 13:55	21 Dec 2006 09:00	1 Mar 2013 12:13	19 Jun 2013 11:42	18 Sep 2013 13:03	2 Dec 2013 11:51
0061	pH		7.8	7.7	7.6	7.8	8	7.6	8.1	7.7	8	8.05
0076	Temperature of Water	°C	17.1	20.6	15.5	16.4	9.2	4	4.9	16.8	13.7	6.6
0077	Conductivity at 25 C	μs/cm							399	409	517	429
0085	BOD : 5 Day ATU	mg/l	2	< 1	1.7	1.4	7.5	2.2
0111	Ammoniacal Nitrogen as N	mg/l	0.163	0.057	0.061	< 0.03	0.46	0.122	0.184	0.185	0.055	0.214
0116	Nitrogen, Total Oxidised as N	mg/l	6.52	5.77	4.94	6.04	6.34	6.98	6.54	5.97	5.34	5.73
0117	Nitrate as N	mg/l	6.37	5.71	4.89	5.99	6.22	6.92	6.5	5.83	5.27	5.65
0118	Nitrite as N	mg/l	0.148	0.0594	0.0512	0.0478	0.123	0.0634	0.0399	0.139	0.0685	0.0817
0119	Ammonia un-ionised as N	mg/l	0.00318	0.00115	0.00067	< 0.00056	0.00791	0.00057	0.00231	0.00282	0.00131	0.00304
0162	Alkalinity to pH 4.5 as CaCO3	mg/l							27	124	113	129
0180	Orthophosphate, reactive as P	mg/l	0.274	0.341	0.282	0.406	0.334	0.199	0.13	0.223	0.231	0.198
0211	Potassium	mg/l	4.1	5.07
1183	Weather : Precipitation		1	1	1	1	1	13
3267	Type of flow as description		3	3	2	2	3	3
3683	Nitrogen, Total Inorganic : (Calculated)	mg/l	6.68	5.83
9901	Oxygen, Dissolved, % Saturation	%	100	78	81	96	94.7	104	103.5	< 93	95	98.6
9924	Oxygen, Dissolved as O2	mg/l	9.62	6.99	8.06	9.37	10.9	13.6	13.2	< 9	9.83	12.1

Tell us whether you accept cookies

sampling point River Culm 50 M D/S Weir U/S Silverton Mi

Determinands

Sampling results

Samples from 3 Jan 2014 to 18 May 2018

Samples from 7 Jun 2006 to 2 Dec 2013

sampling point
River Culm 50 M D/S Weir U/S Silverton Mi