sampling point
Seven At Seven Bridge Lower Askew

Description	SEVEN AT SEVEN BRIDGE LOWER ASKEW
Sampling point ID	NE-49600489
Type	Freshwater – Rivers
Status	open
Location	easting northing: 474558 489841 lat lon: 54.298736, -0.855857
Area	Yorkshire
Sub-Area	Esk, Derwent, Hull
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 4 Apr 2016 to 21 Mar 2017

Notation	Determinand	Units	4 Apr 2016 13:47	3 Jun 2016 11:52	13 Jul 2016 13:07	9 Aug 2016 11:36	10 Oct 2016 14:01	15 Nov 2016 11:46	7 Dec 2016 13:46	10 Jan 2017 13:08	30 Jan 2017 11:57	21 Mar 2017 10:28
0061	pH		7.83	7.91	7.86	8.21	7.88	7.71	7.73	7.86	8.06	8.06
0076	Temperature of Water	°C	7.8	9.5	12.4	11.6	9.3	9.6	6.8	5	4.6	5.9
0077	Conductivity at 25 C	μs/cm	144	160	191	257	251	144	190	173	167	182
0111	Ammoniacal Nitrogen as N	mg/l	0.0026	0.0075	0.0152	0.0057	0.0046	0.0041	0.0134	0.012	0.0074	0.0048
0116	Nitrogen, Total Oxidised as N	mg/l	0.582	0.311	0.327	0.371	0.304	0.624	0.588	0.606	0.596	0.64
0117	Nitrate as N	mg/l	0.581	0.309	0.324	0.369	0.302	0.623	0.586	0.604	0.594	0.638
0118	Nitrite as N	mg/l	0.0013	0.00189	0.00347	0.00207	0.00155	0.0014	0.00181	0.00204	0.00163	0.00177
0119	Ammonia un-ionised as N	mg/l	3.0e-05	0.00011	0.00024	0.00012	6.0e-05	4.0e-05	0.0001	0.00011	9.0e-05	6.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	27	37	54	79	77	26	38	36	32	38
0180	Orthophosphate, reactive as P	mg/l	0.008	0.0084	0.0153	0.0199	0.0148	0.0085	0.0064	0.0068	0.0063	0.0067
9901	Oxygen, Dissolved, % Saturation	%	100.4	96.9	95.7	99.7	98.8	93.9	92.5	98.9	100	99.2
9924	Oxygen, Dissolved as O2	mg/l	11.9	11	10.2	10.8	11.3	10.7	11.3	12.6	12.9	12.4

Samples from 7 May 2015 to 16 Mar 2016

Notation	Determinand	Units	7 May 2015 10:59	19 Jun 2015 14:50	3 Jul 2015 11:25	19 Aug 2015 11:37	2 Sep 2015 14:05	9 Oct 2015 11:56	5 Nov 2015 12:57	26 Nov 2015 12:08	10 Feb 2016 15:01	16 Mar 2016 14:32
0061	pH		7.62	8.03	8.06	8.08	7.74	7.57	7.76	7.82	6.99	7.94
0076	Temperature of Water	°C	7.6	11.1	13.3	12.5	11.2	8.4	8.6	4.2	3.8	7.2
0077	Conductivity at 25 C	μs/cm	131	250	255	237	202	144	178	150	158	163
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.0076	0.007	0.0076	0.008	0.0029
0116	Nitrogen, Total Oxidised as N	mg/l	0.32	0.43	0.61	0.5	0.27	0.426	0.409	0.749	0.715	0.69
0117	Nitrate as N	mg/l	0.316	0.426	0.606	0.496	0.266	0.425	0.408	0.748	0.714	0.689
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.0043	< 0.004	< 0.004	< 0.001	0.00115	0.00107	0.00122	< 0.001
0119	Ammonia un-ionised as N	mg/l	< 0.00019	< 0.00059	< 0.0007	< 0.00066	< 0.00033	5.0e-05	7.0e-05	6.0e-05	< 1.0e-05	4.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	22	71	77	65	57	29	39	22	23	31
0180	Orthophosphate, reactive as P	mg/l	0.0054	0.0142	0.013	0.0187	0.0141	0.0117	0.0045	0.0077	0.0077	0.0052
9901	Oxygen, Dissolved, % Saturation	%	100.9	100.9	98.1	98.9	98.7	100.1	96.1	99.3	100.7	98
9924	Oxygen, Dissolved as O2	mg/l	12	11.1	10.2	10.5	10.8	11.7	11.2	12.9	13.3	11.8

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sampling point Seven At Seven Bridge Lower Askew

Determinands

Sampling results

Samples from 4 Apr 2016 to 21 Mar 2017

Samples from 7 May 2015 to 16 Mar 2016

sampling point
Seven At Seven Bridge Lower Askew