sampling point
Welcombe Stream U/S Waterfall

Description	WELCOMBE STREAM ABOVE WATERFALL
Sampling point ID	SW-72810110
Type	Freshwater – Rivers
Status	closed
Location	easting northing: 221313 118006 lat lon: 50.933746, -4.544344
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	99 samples taken between 2015 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.

27 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
OrthophsFilt
Oxygen Diss
Phosphorus-P
Potassium- K
Temp Water
Type of Flow
WethPresPrec
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 99 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Dec 2014 to 21 Sep 2015

Notation	Determinand	Units	22 Dec 2014 13:31	20 Jan 2015 12:07	19 Feb 2015 12:51	1 Apr 2015 12:33	15 Apr 2015 11:23	5 May 2015 12:25	29 Jun 2015 11:03	31 Jul 2015 14:24	27 Aug 2015 13:45	21 Sep 2015 13:52
0061	pH		7.7	7.48	7.6	8.1	7.96	8.3	8.35	7.8	7.8	7.8
0076	Temperature of Water	°C	10.4	6.1	7.4	8.6	10	11	16.3	14.1	14	13.2
0077	Conductivity at 25 C	μs/cm	325	276	223	118	267	203	253	221	215	201
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.078	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.052
0116	Nitrogen, Total Oxidised as N	mg/l	6.03	3.62	1.33	2.06	2.06	0.94	1.34	1.76	2.21	1.63
0117	Nitrate as N	mg/l	6.03	3.62	1.32	2.06	2.06	0.935	1.34	1.76	2.21	1.63
0118	Nitrite as N	mg/l	0.0041	< 0.004	0.0056	< 0.004	< 0.004	0.0051	< 0.004	< 0.004	< 0.004	0.0046
0119	Ammonia un-ionised as N	mg/l	< 0.00029	< 0.00013	0.00047	< 0.00049	< 0.0005	< 0.00059	< 0.00087	< 0.00047	< 0.00047	0.00076
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	58	35	32	33	41	29	46	37	35	39
0180	Orthophosphate, reactive as P	mg/l	0.04	0.02	0.036	0.024	0.021	0.042	0.047	0.035	0.034	0.045
9901	Oxygen, Dissolved, % Saturation	%	94	102.6	104	104	104.2	91	109.1	105	104	103
9924	Oxygen, Dissolved as O2	mg/l	10.5	12.7	12.5	12.1	11.7	10	10.7	10.8	10.7	10.8

Samples from 20 Feb 2014 to 5 Dec 2014

Notation	Determinand	Units	20 Feb 2014 11:49	26 Mar 2014 11:13	28 Apr 2014 13:11	21 May 2014 12:50	17 Jun 2014 12:06	21 Jul 2014 13:09	26 Aug 2014 14:18	24 Sep 2014 12:41	30 Oct 2014 13:14	5 Dec 2014 10:45
0061	pH		7.8	8	7.9	8.2	8.1	7.7	7.7	8.6	7.8	7.8
0076	Temperature of Water	°C	9.1	8.9	12.2	13.2	15.2	16	15.1	14.5	14.8	6.5
0077	Conductivity at 25 C	μs/cm	266	252	258	262	266	220	245	303	239	162
0111	Ammoniacal Nitrogen as N	mg/l	0.102	< 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	2.04	1.82	2.64	2.2	2.64	0.73	1.21	1.21	1.83	2.63
0117	Nitrate as N	mg/l	2.02	1.81	2.63	2.2	2.64	0.726	1.21	1.21	1.83	2.63
0118	Nitrite as N	mg/l	0.0168	0.0081	0.0086	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00111	< 0.0005	< 0.00051	< 0.00069	< 0.0008	< 0.00043	< 0.0004	< 0.00076	< 0.00049	< 0.00027
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	35	41	36	42	44	39	39	59	38	41
0180	Orthophosphate, reactive as P	mg/l	0.032	< 0.02	< 0.02	0.033	0.034	< 0.02	0.054	0.037	0.026	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	95.8	96.7	101	108	105	103	96.3	96	104.5	98
9924	Oxygen, Dissolved as O2	mg/l	11	11.2	10.8	11.3	10.5	10.1	9.66	9.76	10.6	12

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sampling point Welcombe Stream U/S Waterfall

Determinands

Sampling results

Samples from 22 Dec 2014 to 21 Sep 2015

Samples from 20 Feb 2014 to 5 Dec 2014

sampling point
Welcombe Stream U/S Waterfall