sampling point
R.Colne Hovis Mill

Description	R.COLNE HOVIS MILL
Sampling point ID	AN-CL0736
Type	Freshwater – Rivers
Status	open
Location	easting northing: 579230 233182 lat lon: 51.968205, 0.607648
Area	Essex Norfolk And Suffolk
Sub-Area	Essex Team Sub Area
Summary	140 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.

21 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Chloride Ion
Cond @ 20C
Cond @ 25C
GCMS S-Vol
N Inorganic
N Oxidised
NATGRIDREF
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 140 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Mar 2016 to 7 Apr 2017

Notation	Determinand	Units	15 Mar 2016 14:38	12 May 2016 13:47	22 Jun 2016 11:18	11 Jul 2016 10:20	31 Aug 2016 13:44	28 Sep 2016 09:50	24 Nov 2016 10:58	13 Dec 2016 11:48	9 Feb 2017 16:00	7 Apr 2017 12:03
0061	pH		8.14	8.1	7.81	7.8	7.71	7.78	7.89	7.91	8.17	7.95
0076	Temperature of Water	°C	6.8	16.4	15.8	16.4	16.8	13.4	8.2	7.5	4.2	11.1
0077	Conductivity at 25 C	μs/cm	812	817	678	803	833	804	753	810	751	834
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.06	0.031	0.045	0.036	< 0.03	0.04	< 0.03	0.039
0116	Nitrogen, Total Oxidised as N	mg/l	5.15	2.49	5.59	3.05	1.76	4.7	16.4	5.85	13.1	2.42
0117	Nitrate as N	mg/l	5.14	2.46	5.54	3.02	1.73	4.67	16.3	5.82	13.1	2.4
0118	Nitrite as N	mg/l	0.0137	0.0302	0.0497	0.0305	0.0287	0.0268	0.0586	0.0259	0.0166	0.0169
0119	Ammonia un-ionised as N	mg/l	< 0.00043	< 0.00087	0.00109	0.00057	0.0007	0.00051	< 0.00037	0.0005	< 0.00036	0.00069
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	315	294	272	301	281	284	231	279	247	301
0180	Orthophosphate, reactive as P	mg/l	0.061	0.012	0.118	0.055	0.075	0.079	0.081	0.214	0.063	0.073
9901	Oxygen, Dissolved, % Saturation	%	97.4	117.4	88.1	81.6	70.3	58.6	90.9	88.8	100.3	104.8
9924	Oxygen, Dissolved as O2	mg/l	11.9	11.5	8.71	7.97	6.8	6.1	10.7	10.6	13.1	11.5

Samples from 1 Apr 2015 to 12 Jan 2016

Notation	Determinand	Units	1 Apr 2015 13:14	8 May 2015 14:16	3 Jun 2015 12:22	14 Jul 2015 13:22	11 Aug 2015 09:11	8 Sep 2015 10:08	12 Oct 2015 13:36	10 Nov 2015 09:35	4 Dec 2015 10:57	12 Jan 2016 14:51
0061	pH		7.77	7.99	8.06	7.81	7.79	7.73	7.74	7.92	7.93	8.08
0076	Temperature of Water	°C	7.9	12.9	13.7	17	15.2	12.5	10.9	12.4	8.9	5.7
0077	Conductivity at 25 C	μs/cm	793	809	836	820	763	702	861	778	771	586
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.048	0.078	0.043	0.031	< 0.03	0.037	0.039	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	3.52	2.72	1.84	1.08	2.29	3.63	1.98	8.14	8.25	7.45
0117	Nitrate as N	mg/l	3.5	2.7	1.81	1.03	2.25	3.6	1.96	8.09	8.21	7.43
0118	Nitrite as N	mg/l	0.0171	0.025	0.0263	0.055	0.0433	0.0291	0.0201	0.0514	0.0399	0.0161
0119	Ammonia un-ionised as N	mg/l	< 0.00028	< 0.00066	0.00115	0.00155	0.00071	0.00037	< 0.00032	0.00067	0.00056	< 0.0004
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	278	270	282	285	258	240	300	286	290	235
0180	Orthophosphate, reactive as P	mg/l	0.031	0.031	0.029	0.082	0.091	0.099	0.07	0.075	0.071	0.108
9901	Oxygen, Dissolved, % Saturation	%	114.7	112	103.9	67.6	57.9	65.3	84.1	78.4	87.5	90.3
9924	Oxygen, Dissolved as O2	mg/l	13.6	11.8	10.8	6.52	5.8	6.94	9.28	8.35	10.1	11.3

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sampling point R.Colne Hovis Mill

Determinands

Sampling results

Samples from 15 Mar 2016 to 7 Apr 2017

Samples from 1 Apr 2015 to 12 Jan 2016

sampling point
R.Colne Hovis Mill