sampling point
South Hykeham

Description	HEADWATERS OF SOUTH HYKEHAM CATCHWATER
Sampling point ID	AN-STHHYKE
Type	Freshwater – Rivers
Status	open
Location	easting northing: 493709 364781 lat lon: 53.17189, -0.599535
Area	Lincolnshire And Northamptonshire
Sub-Area	North & South Team Sub Area
Summary	135 samples taken between 2024 and 2011

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.

34 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
BOD ATU
C - Org Filt
Ca Filtered
Calcium - Ca
Cd Filtered
Chloride Ion
Cond @ 25C
Cr- Filtered
Cu Filtered
Fe- Filt
Fluoranthene
Hardness
Ind123pyrene
Magnesium-Mg
Mn- Filtered
N Oxidised
NH3 un-ion
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
Pb Filtered
Sld Sus@105C
Temp Water
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 135 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 5 Sep 2022 to 6 Aug 2024

Notation	Determinand	Units	5 Sep 2022 10:57	7 Oct 2022 10:36	3 Nov 2022 11:17	5 Dec 2022 11:25	17 Jan 2023 10:44	7 Feb 2023 11:05	3 Mar 2023 11:22	10 Jun 2024 09:57	3 Jul 2024 11:22	6 Aug 2024 11:13
0061	pH		7.57	7.76	7.47	7.56	7.65	7.72	7.96	7.92	7.72	7.86
0076	Temperature of Water	°C	18.3	12.9	11.1	7.5	2.4	2.2	6.6	12.2	13.9	17.5
0077	Conductivity at 25 C	μs/cm	827	826	875	1080	989	1240	1303	676	1129	1003
0085	BOD : 5 Day ATU	mg/l	< 9	3.2	< 2	< 2	< 1	2.9	2
0111	Ammoniacal Nitrogen as N	mg/l	0.38	1.4	0.22	1.3	0.16	0.58	0.78	0.33	0.23	0.16
0116	Nitrogen, Total Oxidised as N	mg/l	0.56	0.77	2.9	10	13	8.1	4.6	1.4	1.4	0.88
0117	Nitrate as N	mg/l	0.01	0.61	2.79	9.79	13	8.03	4.53	1.33	1.32	0.77
0118	Nitrite as N	mg/l	0.55	0.16	0.11	0.21	0.04	0.072	0.071	0.07	0.076	0.11
0119	Ammonia un-ionised as N	mg/l	0.00481	0.0183	0.0013	0.00724	0.00075	0.00314	0.0101	0.0059	0.00296	0.00368
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	79	200	190	210	190	240	240	160	250	230
0180	Orthophosphate, reactive as P	mg/l	0.045	0.23	0.18	0.11	0.07	0.037	0.029	0.18	0.22	0.17
9901	Oxygen, Dissolved, % Saturation	%	43.2	81.5	66.4	63.4	80.7	81.3	116.9	80.6	65.3	75.6
9924	Oxygen, Dissolved as O2	mg/l	4.05	8.59	7.29	7.59	11	11.2	14.3	8.63	6.73	7.21

Samples from 11 Jun 2021 to 2 Aug 2022

Notation	Determinand	Units	11 Jun 2021 11:13	11 Jun 2021 11:15	2 Jul 2021 08:59	2 Jul 2021 09:00	4 Aug 2021 08:59	5 Apr 2022 09:51	4 May 2022 10:34	7 Jun 2022 11:02	11 Jul 2022 10:17	2 Aug 2022 10:32
0061	pH		8.01	8.01	7.71	7.71	7.96	7.92	7.88	7.68	7.72	7.73
0076	Temperature of Water	°C	16.8	16.8	15	15	14.5	9.5	11.9	12.5	20.2	19.7
0077	Conductivity at 25 C	μs/cm	1264	1264	1202	1202	1015	1274	1420	868	933	1042
0085	BOD : 5 Day ATU	mg/l	1.2	1.3	< 6	< 3	1.5	1.9	< 1	< 3	1.6	6
0111	Ammoniacal Nitrogen as N	mg/l	0.14	0.14	0.053	0.054	0.38	0.044	0.18	0.26	0.078	2.1
0116	Nitrogen, Total Oxidised as N	mg/l	0.85	0.85	< 0.2	< 0.2	0.49	5.2	0.28	1.9	0.47	0.25
0117	Nitrate as N	mg/l	0.755	0.755	0.181	0.182	0.41	5.12	0.257	1.9	0.438	0.11
0118	Nitrite as N	mg/l	0.095	0.095	0.019	0.018	0.08	0.085	0.023	< 0.004	0.032	0.14
0119	Ammonia un-ionised as N	mg/l	0.00419	0.00419	0.00072	0.00074	0.0088	0.00065	0.00288	0.00276	0.00159	0.0423
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	250	260	230	230	220	240	300	190	220	230
0180	Orthophosphate, reactive as P	mg/l	0.082	0.082	0.15	0.15	0.18	0.033	0.083	0.25	0.21	0.47
9901	Oxygen, Dissolved, % Saturation	%	83.3	83.3	50	50	83.4	98.6	90.6	78.7	87.4	87.3
9924	Oxygen, Dissolved as O2	mg/l	8.06	8.06	5.03	5.03	8.48	11.2	9.76	8.37	7.9	7.97

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sampling point South Hykeham

Determinands

Sampling results

Samples from 5 Sep 2022 to 6 Aug 2024

Samples from 11 Jun 2021 to 2 Aug 2022

sampling point
South Hykeham