sampling point
South Dike And Grayfleet Drain

Description	SOUTH DIKE AND GRAYFLEET DRAIN - GB105029061680
Sampling point ID	AN-CREEK
Type	Freshwater – Rivers
Status	open
Location	easting northing: 545576 393455 lat lon: 53.417802, 0.189037
Area	Lincolnshire And Northamptonshire
Sub-Area	North & South Team Sub Area
Summary	41 samples taken between 2024 and 2020

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.

13 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
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 41 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 9 Aug 2023 to 15 Jul 2024

Notation	Determinand	Units	9 Aug 2023 08:35	5 Sep 2023 12:06	2 Oct 2023 08:26	9 Nov 2023 08:09	1 Dec 2023 10:12	4 Jan 2024 08:34	1 Feb 2024 09:59	5 Mar 2024 11:44	18 Jun 2024 10:31	15 Jul 2024 08:13
0061	pH		7.28	7.8	7.68	7.72	7.8	7.89	8.24	8.06	7.76	7.71
0076	Temperature of Water	°C	15.6	20.5	15	7.6	3.2	6.9	5	7.2	16	15.1
0077	Conductivity at 25 C	μs/cm	10464	17508	8456	2476	3731	288	2483	885	1461	4478
0085	BOD : 5 Day ATU	mg/l									1.2	< 9
0111	Ammoniacal Nitrogen as N	mg/l	0.14	0.44	0.16	0.087	0.088	< 0.03		0.16	0.14	0.13
0116	Nitrogen, Total Oxidised as N	mg/l	0.53	3.5	3.4	8.5	6.7	3		6.1	6.5	3.6
0117	Nitrate as N	mg/l	0.506	3.47	3.37	8.42	6.68	2.99		6.05	6.38	3.53
0118	Nitrite as N	mg/l	0.024	0.032	0.03	0.08	0.021	0.011		0.051	0.12	0.068
0119	Ammonia un-ionised as N	mg/l	0.00075	0.011	0.00204	0.0007	0.00062	< 0.00034		0.00238	0.0023	0.00179
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	220	200	220	250	310	91	350	240	230	190
0180	Orthophosphate, reactive as P	mg/l	0.13	0.068	0.2	0.05	0.051	0.11		0.04	0.029	0.053
9901	Oxygen, Dissolved, % Saturation	%	38.7	113.3	85.7	69.4	79.6	81.5	94.7	87.4	72.1	77.4
9924	Oxygen, Dissolved as O2	mg/l	3.84	10.2	8.62	8.29	10.6	9.9	12.1	10.5	7.1	7.77

Samples from 10 Oct 2022 to 5 Jul 2023

Notation	Determinand	Units	10 Oct 2022 13:01	7 Nov 2022 11:07	12 Dec 2022 11:21	25 Jan 2023 12:28	14 Feb 2023 10:57	3 Mar 2023 11:02	19 Apr 2023 07:46	2 May 2023 11:16	5 Jun 2023 07:51	5 Jul 2023 11:53
0061	pH		7.74	7.79	8.11	7.93	8.07	8.5	8.13	8.06	7.95	7.61
0076	Temperature of Water	°C	12.3	8.9	1.2	1.8	4.9	6.9	11.2	13.2	15.1	16.2
0077	Conductivity at 25 C	μs/cm	28942	9153	6007	3348	2692	8297	1503	3538	4979	27017
0111	Ammoniacal Nitrogen as N	mg/l	0.38	0.21	0.11	0.11	0.084	0.068	< 0.03	0.031	0.097	0.43
0116	Nitrogen, Total Oxidised as N	mg/l	< 0.2	16	13	6.2	1.5	5.1	6.5	3.8	6.7	< 0.2
0117	Nitrate as N	mg/l	< 0.196	15.9	13	6.18	1.49	5.08	6.47	3.77	6.63	0.195
0118	Nitrite as N	mg/l	< 0.004	0.11	0.049	0.022	0.012	0.023	0.033	0.033	0.071	0.0046
0119	Ammonia un-ionised as N	mg/l	0.00455	0.00219	0.00105	0.00094	0.00105	0.00099	< 0.0006	0.00071	0.00229	0.00511
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	210	200	230	310	300	220	240	220	210	160
0180	Orthophosphate, reactive as P	mg/l	0.095	0.1	0.047	0.029	0.011	0.01	< 0.01	< 0.01	0.14	< 0.01
9901	Oxygen, Dissolved, % Saturation	%	74.2	86.4	94.6	92.4	95.8	111.6	109.6	113.2	127.2	108.3
9924	Oxygen, Dissolved as O2	mg/l	7.92	9.99	13.3	12.8	12.3	13.6	12	11.8	12.8	10.6

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sampling point South Dike And Grayfleet Drain

Determinands

Sampling results

Samples from 9 Aug 2023 to 15 Jul 2024

Samples from 10 Oct 2022 to 5 Jul 2023

sampling point
South Dike And Grayfleet Drain