sampling point
R.Tham Little Bytham B1176 Rd.Br.

Description	R.THAM LITTLE BYTHAM B1176 RD.BR.
Sampling point ID	AN-THAM200L
Type	Freshwater – Rivers
Status	open
Location	easting northing: 501527 317948 lat lon: 52.749614, -0.497281
Area	Lincolnshire And Northamptonshire
Sub-Area	North & South Team Sub Area
Summary	20 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

Samples from 7 May 2021 to 19 Jul 2024

Notation	Determinand	Units	7 May 2021 12:44	11 Jun 2021 10:23	2 Jul 2021 10:01	20 Aug 2021 08:32	3 Sep 2021 08:18	29 Oct 2021 10:14	15 Nov 2021 09:32	3 Dec 2021 10:45	28 Jun 2024 11:13	19 Jul 2024 11:50
0061	pH		8.15	7.93	7.86	8.06	7.73	7.28	8.03	8.04	7.98	8.05
0076	Temperature of Water	°C	11	14.7	12.4	13.5	12.8	11.6	10.3	6.9	14.5	14.8
0077	Conductivity at 25 C	μs/cm	829	848	853	866	875	880	888	901	812	828
0085	BOD : 5 Day ATU	mg/l	1.9	2.1	2.2	1.5	1.1	1	1.2	1.1	1.5	< 1
0111	Ammoniacal Nitrogen as N	mg/l	0.14	0.037	0.054	< 0.03	< 0.03	< 0.03	0.036	0.097	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	9.7	9.4	9.4	8.7	9.1	8.7	9.3	9.5	8.5	8.7
0117	Nitrate as N	mg/l	9.61	9.34	9.34	8.66	9.07	8.66	9.23	9.43	8.48	8.67
0118	Nitrite as N	mg/l	0.088	0.058	0.061	0.044	0.033	0.04	0.067	0.075	0.02	0.029
0119	Ammonia un-ionised as N	mg/l	0.00275	0.00081	0.00086	< 0.00071	< 0.00036	< 0.00012	0.00067	0.00141	< 0.00073	< 0.00078
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	230	230	240	240	250	240	250	250	240	230
0180	Orthophosphate, reactive as P	mg/l	0.051	0.17	0.19	0.19	0.31	0.27	0.3	0.31	0.11	0.15
9901	Oxygen, Dissolved, % Saturation	%	110.1	101.8	91.1	95.8	92.6	90	93.6	101.6	96.5	110.1
9924	Oxygen, Dissolved as O2	mg/l	12.1	10.3	9.71	9.96	9.78	9.77	10.5	12.3	9.81	11.1

Samples from 28 Jan 2020 to 9 Apr 2021

Notation	Determinand	Units	28 Jan 2020 10:46	14 Feb 2020 12:13	10 Mar 2020 12:53	28 Oct 2020 09:08	11 Nov 2020 09:54	2 Dec 2020 09:07	5 Jan 2021 08:53	23 Feb 2021 09:31	12 Mar 2021 08:13	9 Apr 2021 07:46
0061	pH		7.94	8.09	7.79	8.06	8.04	8.04	8.25	7.86	7.98	8.69
0076	Temperature of Water	°C	7.4	7.1	11.1	8.5	9.4	6.7	5.4	8.7	7.9	8.5
0077	Conductivity at 25 C	μs/cm	808	754	790	905	896	899	900	775	819	786
0085	BOD : 5 Day ATU	mg/l	3.5	1.9	1.6	1.7	1.5	1.7	2.2	1.1	1.5	1.8
0111	Ammoniacal Nitrogen as N	mg/l	0.48	0.1	0.1	< 0.03	< 0.03	0.051	0.21	0.069	0.18	0.11
0116	Nitrogen, Total Oxidised as N	mg/l	11	10	11	9.6	9.4	9.4	15	12	11	10
0117	Nitrate as N	mg/l	11	9.98	11	9.56	9.36	9.35	15	12	11	9.94
0118	Nitrite as N	mg/l	0.047	0.022	0.027	0.037	0.044	0.047	0.046	0.023	0.042	0.056
0119	Ammonia un-ionised as N	mg/l	0.00631	0.00147	0.00123	< 0.00049	< 0.00052	0.00073	0.00273	0.00083	0.00269	0.0018
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	220	200	230	240	250	240	210	220	220	240
0180	Orthophosphate, reactive as P	mg/l	0.12	0.069	0.11	0.18	0.26	0.27	0.12	0.05	0.077	0.089
9901	Oxygen, Dissolved, % Saturation	%	92.2	98.2	96.3	95.7	92.8	91.9	95.1	98.2	87.2	86.9
9924	Oxygen, Dissolved as O2	mg/l	11.1	11.9	10.6	11.2	10.6	11.2	12	11.4	10.3	10.2