sampling point
R.Welland Collyweston Rd.Br.

Description	R.WELLAND COLLYWESTON RD.BR.
Sampling point ID	AN-WELL260C
Type	Freshwater – Rivers
Status	open
Location	easting northing: 499063 303578 lat lon: 52.620932, -0.538092
Area	Lincolnshire And Northamptonshire
Sub-Area	North & South Team Sub Area
Summary	234 samples taken between 2024 and 2000

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.

29 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
CHLOR A
CHLOROPHYLL
COD as O2
Chloride Ion
Cond @ 20C
Cond @ 25C
Copper - Cu
Cu Filtered
N Inorganic
N Oxidised
NH3 un-ion
NO FLOW/SAMP
Nitrate-N
Nitrite-N
O Diss %sat
O Diss% Satn
O Dissolved
Orthophospht
Oxygen Diss
SiO2 Rv
Sld Sus@105C
Temp Water
Turbidity
TurbidityNTU
pH
pH Inst unit

Displaying the twenty most recent samples. You can see all 234 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 13 Jun 2023 to 6 Mar 2024

Notation	Determinand	Units	13 Jun 2023 12:46	14 Jul 2023 08:35	7 Aug 2023 11:36	11 Sep 2023 09:19	3 Oct 2023 12:50	9 Nov 2023 10:10	5 Dec 2023 11:07	12 Jan 2024 09:48	9 Feb 2024 09:52	6 Mar 2024 11:16
0061	pH		7.75	7.69	7.77	7.47	7.65	7.91	7.83	7.97	8	8.03
0076	Temperature of Water	°C	19.5	16.3	15	18	15.9	8.7	5.7	6	7	7.7
0077	Conductivity at 25 C	μs/cm	869	821	740	882	788	653	435	721	477	672
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	0.032	< 0.03	< 0.03	0.038	0.035	0.049	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	5.2	4.3	3.3	3.9	3.5	6.7	5.4	8.3	5	6.3
0117	Nitrate as N	mg/l	5.17	4.29	3.29	3.88	3.49	6.68	5.38	8.27	4.98	6.27
0118	Nitrite as N	mg/l	0.03	0.013	0.01	0.021	0.012	0.02	0.022	0.034	0.021	0.028
0119	Ammonia un-ionised as N	mg/l	< 0.00062	< 0.00043	< 0.00047	0.00032	< 0.00038	< 0.00041	0.00034	0.00044	0.00072	< 0.00046
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	240	230	210	220	200	200	130	220	150	220
0180	Orthophosphate, reactive as P	mg/l	0.2	0.26	0.29	0.26	0.32	0.13	0.12	0.12	0.096	0.092
9901	Oxygen, Dissolved, % Saturation	%	89.2	74.9	83.7	54.4	69.7	92.9	87.8	98.6	94.8	98.2
9924	Oxygen, Dissolved as O2	mg/l	8.17	7.33	8.42	5.14	6.88	10.8	11	12.3	11.5	11.7

Samples from 22 Oct 2019 to 28 Apr 2023

Notation	Determinand	Units	22 Oct 2019 12:30	29 Nov 2019 12:08	10 Dec 2019 10:18	9 Jan 2020 09:11	12 Feb 2020 10:03	27 Feb 2020 12:25	3 Mar 2020 08:56	20 Aug 2021 11:27	15 Sep 2021 10:07	28 Apr 2023 12:15
0061	pH		8.02	8.14	8.12	8.05	8.2	8.15	8.16	7.76	7.74	8.12
0076	Temperature of Water	°C	10.8	7.2	5.6	8.5	3.7	5.7	5.3	16.2	15.3	10.4
0077	Conductivity at 25 C	μs/cm	674	532	615	781	567	580	619	833	875	729
0085	BOD : 5 Day ATU	mg/l	1.2	2	1.4	1.6	2.1	< 3	1.2	< 1	< 3
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.05	0.03	< 0.03	0.055	0.054	0.036	< 0.03	0.032	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	9.9	5.6	6.5	7.4	6	5.6	6.3	5	5.2	5.5
0117	Nitrate as N	mg/l	9.89	5.56	6.47	7.38	5.98	5.58	6.28	4.99	5.18	5.49
0118	Nitrite as N	mg/l	0.012	0.041	0.027	0.024	0.02	0.024	0.022	0.013	0.021	0.0097
0119	Ammonia un-ionised as N	mg/l	< 0.00058	0.00074	0.0004	< 0.00049	0.00063	0.00072	0.00046	< 0.0005	0.00048	< 0.00056
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	170	170	190	240	180	190	200	220	220	210
0180	Orthophosphate, reactive as P	mg/l	0.068	0.12	0.085	0.17	0.086	0.083	0.094	0.32	0.42	0.084
9901	Oxygen, Dissolved, % Saturation	%	101.7	83.3	94.5	99.5	95.4	94.5	96.9	79.1	52.2	94.2
9924	Oxygen, Dissolved as O2	mg/l	11.2	10	11.9	11.6	12.6	11.8	12.3	7.75	5.22	10.5

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sampling point R.Welland Collyweston Rd.Br.

Determinands

Sampling results

Samples from 13 Jun 2023 to 6 Mar 2024

Samples from 22 Oct 2019 to 28 Apr 2023

sampling point
R.Welland Collyweston Rd.Br.