sampling point
Lea Brook At Lea Bridge

Description	LEA BROOK AT LEA BRIDGE
Sampling point ID	MD-51491050
Type	Freshwater – Rivers
Status	open
Location	easting northing: 431790 356285 lat lon: 53.102809, -1.526632
Area	Derbyshire Nottinghamshire And Leicestershire
Sub-Area	Derbyshire, Derwent And Erewash
Summary	68 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.

28 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
Cadmium - Cd
Calcium - Ca
Chloride Ion
Cond @ 25C
Cu Filtered
Hardness
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Potassium- K
Sld Sus@105C
Temp Water
Weth-Visibty
Weth7Dy-Prec
Weth7Dy-Temp
Weth7Dy-Vsy
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 68 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 3 Mar 2016 to 5 Apr 2017

Notation	Determinand	Units	3 Mar 2016 11:28	17 May 2016 09:14	8 Jun 2016 10:48	5 Jul 2016 13:34	22 Sep 2016 14:44	31 Oct 2016 10:03	15 Nov 2016 10:24	10 Jan 2017 13:10	31 Jan 2017 10:24	5 Apr 2017 10:58
0061	pH		8.05	8.11	8	7.92	8.14	7.93	7.9	8.02	7.99	8.15
0076	Temperature of Water	°C	5.9	8.8	13.3	12.9	13.1	10.7	10.8	6.8	6	8.5
0077	Conductivity at 25 C	μs/cm	253	282	283	257	296	298	298	274	262	267
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.071	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.25	3.14	3.34	2.52	3.28	3.27	2.95	2.44	2.5	2.86
0117	Nitrate as N	mg/l	2.25	3.14	3.33	2.52	3.27	3.27	2.94	2.44	2.5	2.86
0118	Nitrite as N	mg/l	< 0.004	0.0041	0.0068	< 0.004	0.0052	< 0.004	0.0061	0.0043	0.0041	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0004	< 0.0005	< 0.0007	< 0.00056	< 0.00069	< 0.00049	< 0.00046	0.00102	< 0.0004	< 0.00049
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	68	73	77	72	80	82	83	77	66	67
0180	Orthophosphate, reactive as P	mg/l	0.014	< 0.01	0.022	0.026	0.037	0.016	0.016	0.02	0.015	0.014
9901	Oxygen, Dissolved, % Saturation	%	99.6	102.1	104.8	99.3	102	99.3	98.6	98.1	101.2	101.5
9924	Oxygen, Dissolved as O2	mg/l	12.4	11.8	10.9	10.5	10.7	11	10.9	12	12.6	11.9

Samples from 8 May 2015 to 4 Feb 2016

Notation	Determinand	Units	8 May 2015 13:09	11 Jun 2015 09:31	8 Jul 2015 08:54	10 Aug 2015 13:01	3 Sep 2015 11:01	5 Oct 2015 10:58	4 Nov 2015 10:03	24 Nov 2015 14:30	7 Jan 2016 09:06	4 Feb 2016 10:47
0061	pH		8.1	8.03	7.99	8.06	8.11	7.82	8.05	8.13	7.75	8
0076	Temperature of Water	°C	11.3	10.8	13.6	14	11.2	9.9	10	7.7	7	7.5
0077	Conductivity at 25 C	μs/cm	274	287	297	295	301	295	297	253	146	251
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.066	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.39	3	3.46	3.47	3.39	3.42	2.81	1.73	1.13	2.4
0117	Nitrate as N	mg/l	2.38	2.99	3.45	3.46	3.38	3.41	2.81	1.73	1.12	2.4
0118	Nitrite as N	mg/l	0.0092	0.0085	0.0107	0.0055	0.0057	0.0077	< 0.004	< 0.004	0.0052	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.0006	< 0.00058	< 0.0007	< 0.00073	< 0.0006	< 0.00036	< 0.00055	< 0.00046	0.00055	< 0.00046
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	73	71	75	77	80	77	78	72	44	67
0180	Orthophosphate, reactive as P	mg/l	0.025	0.017	0.029	0.025	0.02	0.027	0.014	0.022	0.046	0.012
9901	Oxygen, Dissolved, % Saturation	%	100	100.8	101.3	102.8	100.2	98.4	98.3	97.7	102.4	99.2
9924	Oxygen, Dissolved as O2	mg/l	10.9	11.1	10.5	10.6	11	11.1	11.1	11.6	12.4	11.9

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sampling point Lea Brook At Lea Bridge

Determinands

Sampling results

Samples from 3 Mar 2016 to 5 Apr 2017

Samples from 8 May 2015 to 4 Feb 2016

sampling point
Lea Brook At Lea Bridge