sampling point
Marsland Water At West Mill

Description	MARSLAND WATER AT WEST MILL
Sampling point ID	SW-82713235
Type	Freshwater – Rivers
Status	open
Location	easting northing: 221499 117458 lat lon: 50.928881, -4.541431
Area	Devon And Cornwall
Sub-Area	Central Devon And Cornwall
Summary	48 samples taken between 2017 and 2013

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.

12 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
pH

Displaying the twenty most recent samples. You can see all 48 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 13 Apr 2016 to 9 Mar 2017

Notation	Determinand	Units	13 Apr 2016 10:58	4 Jul 2016 15:16	1 Aug 2016 12:43	1 Sep 2016 13:01	24 Oct 2016 12:39	21 Nov 2016 13:59	16 Dec 2016 11:55	7 Feb 2017 11:05	28 Feb 2017 12:01	9 Mar 2017 10:54
0061	pH		7.89	7.49	7.55	7.98	7.66	7.48	7.6	7.55	7.83	7.04
0076	Temperature of Water	°C	9.1	14.4	14	15.3	9.4	8.5	10.1	7.9	6.8	10.1
0077	Conductivity at 25 C	μs/cm	224	217	232	231	232	162	216	106	205	210
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.036	< 0.03	< 0.03	< 0.03	0.035
0116	Nitrogen, Total Oxidised as N	mg/l	2.21	2.17	1.86	1.92	1.87	1.82	2.66	2.72	2.16	2.67
0117	Nitrate as N	mg/l	2.21	2.17	1.86	1.92	1.87	1.82	2.66	2.71	2.15	2.66
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.005	< 0.004	0.0082	0.0091	0.0116
0119	Ammonia un-ionised as N	mg/l	< 0.0004	< 0.00024	< 0.00026	< 0.00077	< 0.00024	0.00018	< 0.00022	< 0.00017	< 0.00029	7.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	35	39	42	43	44	30	35	34	33	33
0180	Orthophosphate, reactive as P	mg/l	0.02	0.036	0.063	0.049	0.031	0.059	0.023	0.023	0.031	0.031
9901	Oxygen, Dissolved, % Saturation	%	101.7	97.7	98.4	102	102.3	101.7	102.2	101.5	103.2	101
9924	Oxygen, Dissolved as O2	mg/l	11.7	9.96	10.1	10.2	11.7	11.9	11.5	12	12.6	11.4

Samples from 3 Jun 2015 to 29 Feb 2016

Notation	Determinand	Units	3 Jun 2015 09:28	15 Jun 2015 12:02	27 Jul 2015 11:50	14 Aug 2015 13:17	11 Sep 2015 14:06	22 Oct 2015 11:26	12 Nov 2015 12:13	8 Dec 2015 13:33	11 Feb 2016 12:11	29 Feb 2016 14:20
0061	pH		7.54	7.84	7.93	7.73	7.84	7.7	7.77	7.67	7.35	7.72
0076	Temperature of Water	°C	11.1	12.6	13.4	14.3	13.7	11.5	11.9	10.5	7.5	6.2
0077	Conductivity at 25 C	μs/cm	203	221	170	200	226	229	217	225	238	226
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.132	< 0.03	< 0.03	< 0.03	< 0.03	0.081	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.97	1.74	1.77	1.54	2.29	1.6	2.39	2.43	2.53	2.43
0117	Nitrate as N	mg/l	1.97	1.74	1.77	1.52	2.29	1.6	2.39	2.42	2.52	2.42
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	0.0227	< 0.004	< 0.004	< 0.004	0.0075	0.0082	0.0062
0119	Ammonia un-ionised as N	mg/l	< 0.00021	< 0.00046	< 0.0006	0.00179	< 0.0005	< 0.00031	< 0.00037	< 0.00027	0.00028	< 0.00022
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	40	40	33	38	37	43	37	34	33	34
0180	Orthophosphate, reactive as P	mg/l	0.035	0.04	0.042	0.116	0.037	0.022	0.029	0.03	0.024	0.023
9901	Oxygen, Dissolved, % Saturation	%	98.5	103.3	102.1	98	101.8	101.9	101.9	100	100.2	101
9924	Oxygen, Dissolved as O2	mg/l	10.8	11	10.6	10	10.5	11.1	11	11.1	12	12.5

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sampling point Marsland Water At West Mill

Determinands

Sampling results

Samples from 13 Apr 2016 to 9 Mar 2017

Samples from 3 Jun 2015 to 29 Feb 2016

sampling point
Marsland Water At West Mill