sampling point
R.Nene Upper Ringstead Lock

Description	R.NENE UPPER RINGSTEAD LOCK
Sampling point ID	AN-NENE330U
Type	Freshwater – Rivers
Status	open
Location	easting northing: 496166 274660 lat lon: 52.361561, -0.589212
Area	Lincolnshire And Northamptonshire
Sub-Area	North & South Team Sub Area
Summary	101 samples taken between 2024 and 2012

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 101 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 13 Jul 2022 to 7 Jun 2024

Notation	Determinand	Units	13 Jul 2022 13:47	1 Aug 2022 15:31	7 Sep 2022 11:47	17 Oct 2022 11:03	14 Nov 2022 10:00	14 Dec 2022 13:56	27 Jan 2023 09:51	10 Feb 2023 09:29	6 Mar 2023 13:22	7 Jun 2024 14:28
0061	pH		7.39	7.37	7.25	7.3	7.19	7.35	7.33	7.5	7.36	7.35
0076	Temperature of Water	°C	13	14.3	13.4	12.5	11.4	8.9	8.1	8.7	10	12.7
0077	Conductivity at 25 C	μs/cm	1088	1114	1118	1123	1118	1110	999	1057	1056	970
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.9	2.7	2.4	2.5	2.3	4.2	9.9	7.1	6.1	5.7
0117	Nitrate as N	mg/l	2.9	2.7	2.4	2.5	2.3	4.2	9.89	7.1	6.1	5.68
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.0076	< 0.004	< 0.004	0.017
0119	Ammonia un-ionised as N	mg/l	< 0.00017	< 0.00018	< 0.00013	< 0.00013	< 0.0001	< 0.00011	< 0.0001	< 0.00016	< 0.00013	< 0.00015
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	360	370	380	380	370	380	310	350	370	330
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.012	0.01	< 0.01	0.018	< 0.01	< 0.01	< 0.01	< 0.01	0.013
9901	Oxygen, Dissolved, % Saturation	%	82.9	91.7	89.2	74.9	82.9	86.6	91.7	86.7	95.5	88.4
9924	Oxygen, Dissolved as O2	mg/l	8.71	9.36	9.29	7.96	9.04	10	10.8	10.1	10.8	9.36

Samples from 12 Aug 2019 to 14 Jun 2022

Notation	Determinand	Units	12 Aug 2019 11:54	2 Sep 2019 15:35	29 Oct 2019 15:41	11 Dec 2019 13:51	21 Jan 2020 14:07	5 Feb 2020 14:07	10 Mar 2020 12:40	5 Apr 2022 12:25	16 May 2022 11:33	14 Jun 2022 11:59
0061	pH		7.55	7.52	7.76	7.91	7.82	7.48	8.15	7.4	7.35	7.45
0076	Temperature of Water	°C	12.6	12.6	9.5	7.1	6.9	8.3	9.5	10.8	12.1	12.2
0077	Conductivity at 25 C	μs/cm	1110	1129	850	828	906	935	789	1017	1065	1074
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.15	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.3	2.2	11	8.5	7.5	7	11	5.2	3.9	3.2
0117	Nitrate as N	mg/l	2.3	2.2	11	8.48	7.49	6.99	10.9	5.19	3.89	3.2
0118	Nitrite as N	mg/l	< 0.004	< 0.004	0.021	0.018	0.011	0.011	0.086	0.0078	0.0071	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00024	< 0.00022	< 0.00031	< 0.00036	< 0.00029	< 0.00015	0.00264	< 0.00015	< 0.00015	< 0.00018
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	370	380	280	280	310	320	190	330	350	370
0180	Orthophosphate, reactive as P	mg/l	0.019	0.016	0.032	0.023	0.021	0.019	0.086	< 0.01	0.012	0.015
9901	Oxygen, Dissolved, % Saturation	%	90.5	91.5	93.9	96.5	96	89.7	97	97.6	89.7	81.5
9924	Oxygen, Dissolved as O2	mg/l	9.6	9.71	10.7	11.7	11.7	10.5	11.1	10.8	9.62	8.72

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sampling point R.Nene Upper Ringstead Lock

Determinands

Sampling results

Samples from 13 Jul 2022 to 7 Jun 2024

Samples from 12 Aug 2019 to 14 Jun 2022

sampling point
R.Nene Upper Ringstead Lock