sampling point
Colley Lake At Lenton Ford

Description	COLLEY LAKE AT LENTON FORD
Sampling point ID	SW-73060704
Type	Freshwater – Rivers
Status	open
Location	easting northing: 266294 120176 lat lon: 50.965441, -3.905437
Area	Devon And Cornwall
Sub-Area	East Devon And Cornwall
Summary	95 samples taken between 2017 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.

25 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
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 95 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Feb 2015 to 5 Apr 2017

Notation	Determinand	Units	23 Feb 2015 09:13	14 May 2015 10:23	27 Aug 2015 11:31	16 Nov 2015 12:53	16 Mar 2016 09:50	21 Jun 2016 10:13	29 Sep 2016 11:44	7 Dec 2016 09:57	12 Jan 2017 10:01	5 Apr 2017 10:18
0061	pH		7.5	7.88	7.7	7.7	7.82	7.73	7.58	7.35	7.51	7.8
0076	Temperature of Water	°C	5.4	10.6	13.3	11.4	7.2	13.7	14.6	7.5	7.1	7.4
0077	Conductivity at 25 C	μs/cm	185	203	135	209	195	292	236	207	204	199
0111	Ammoniacal Nitrogen as N	mg/l	0.036	0.05	< 0.03	0.063	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.92	1.3	2.26	2.66	2.65	8.55	2.08	2.39	4.17	2.9
0117	Nitrate as N	mg/l	2.91	1.29	2.25	2.64	2.64	8.53	2.08	2.39	4.16	2.89
0118	Nitrite as N	mg/l	0.007	0.0055	0.0054	0.018	0.0137	0.0184	< 0.004	< 0.004	0.0141	0.0051
0119	Ammonia un-ionised as N	mg/l	0.00015	0.00073	< 0.00035	0.00064	< 0.0003	< 0.00039	< 0.0003	< 0.0001	< 0.00014	< 0.00029
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	34	51	30	51	39	43	56	41	36	41
0180	Orthophosphate, reactive as P	mg/l	0.026	0.046	0.026	0.059	0.02	0.057	0.093	0.017	0.025	0.021
9901	Oxygen, Dissolved, % Saturation	%	96	98.7	95	96	98.6	98.7	98.2	95.8	100.2	92
9924	Oxygen, Dissolved as O2	mg/l	12.1	11	9.92	10.5	11.9	10.2	9.96	11.5	12.1	11

Samples from 4 Sep 2013 to 29 Oct 2014

Notation	Determinand	Units	4 Sep 2013 13:16	3 Oct 2013 08:17	13 Nov 2013 10:50	26 Nov 2013 10:24	22 Jan 2014 10:58	18 Feb 2014 08:24	6 Mar 2014 12:22	11 Apr 2014 08:50	8 Jul 2014 11:31	29 Oct 2014 11:09
0061	pH		7.6	8.1	7.63	7.57	7.56	7.67	7.6	7.64	7.8	7.4
0076	Temperature of Water	°C	14.5	15.1	8.3	3.1	7.3	6.9	8.6	8.3	12.7	12.9
0077	Conductivity at 25 C	μs/cm	265	315	179	192	176	189	100	182	207	223
0111	Ammoniacal Nitrogen as N	mg/l	0.082	0.499	< 0.03	< 0.03	0.046	0.127	0.043	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.52	2.8	3.4	2.6	2.64	1.91	2.35	2.26	1.11	1.95
0117	Nitrate as N	mg/l	0.511	2.74	3.39	2.59	2.63	1.89	2.33	2.25	1.11	1.94
0118	Nitrite as N	mg/l	0.0089	0.0572	0.0053	0.0067	0.0118	0.0169	0.025	0.0054	< 0.004	0.0056
0119	Ammonia un-ionised as N	mg/l	0.00084	0.0132	< 0.00021	< 0.00012	0.00025	0.00087	0.00028	< 0.00021	< 0.00042	< 0.00017
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	81	63	36	37	34	38	36	40	55	51
0180	Orthophosphate, reactive as P	mg/l	0.077	0.139	< 0.02	< 0.02	0.026	0.036	0.036	< 0.02	0.055	0.027
9901	Oxygen, Dissolved, % Saturation	%	80	97.6	96	99.1	97.2	100.2	101	88.9	100	90
9924	Oxygen, Dissolved as O2	mg/l	8.13	9.8	11.3	13.3	11.7	12.2	11.8	10.4	10.6	9.48

Tell us whether you accept cookies

sampling point Colley Lake At Lenton Ford

Determinands

Sampling results

Samples from 23 Feb 2015 to 5 Apr 2017

Samples from 4 Sep 2013 to 29 Oct 2014

sampling point
Colley Lake At Lenton Ford