sampling point
Old Stell At Flood Bridge

Description	OLD STELL AT FLOOD BRIDGE
Sampling point ID	NE-49905150
Type	Freshwater – Rivers
Status	open
Location	easting northing: 428560 487511 lat lon: 54.282428, -1.56283
Area	Yorkshire
Sub-Area	Swale, Ure, Nidd, Ouse
Summary	49 samples taken between 2024 and 2013

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

Samples from 14 Sep 2023 to 28 May 2024

Notation	Determinand	Units	14 Sep 2023 08:31	20 Oct 2023 09:55	23 Nov 2023 13:29	30 Nov 2023 11:00	8 Dec 2023 14:22	17 Jan 2024 10:05	19 Feb 2024 13:16	18 Mar 2024 10:28	18 Apr 2024 10:42	28 May 2024 08:04
0061	pH		7.67	7.46	7.56	7.65	7.75	7.91	7.9	7.68	7.68	7.61
0076	Temperature of Water	°C	13.1	11.9	9	3.6	5.7	0.6	9.2	8.8	7.8	12.8
0077	Conductivity at 25 C	μs/cm	872	759	156	814	506	840	871	845	860	878
0085	BOD : 5 Day ATU	mg/l							1.4	1.4	1.2	1.2
0111	Ammoniacal Nitrogen as N	mg/l	0.036	0.049	0.18	0.22	0.11	0.21	0.077	0.15	0.12	0.12
0116	Nitrogen, Total Oxidised as N	mg/l	6.6	5.6	4.3	5.5	5.2	6.5	5.2	6.4	6.3	5.9
0117	Nitrate as N	mg/l	6.51	5.56	4.23	5.46	5.18	6.48	5.18	6.37	6.28	5.85
0118	Nitrite as N	mg/l	0.088	0.04	0.068	0.04	0.023	0.024	0.025	0.033	0.025	0.054
0119	Ammonia un-ionised as N	mg/l	0.00039	0.0003	0.00112	0.00113	0.00083	0.00156	0.00106	0.00121	0.0009	0.00111
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	320	260	270	320	190	330	310	310	320	330
0180	Orthophosphate, reactive as P	mg/l	0.053	0.18	0.12	0.083	0.11	0.065	0.099	0.028	0.026	0.057
9901	Oxygen, Dissolved, % Saturation	%	82.4	63.1	99.8	71.2	90.4	80.4	75.9	82.6	83.1	82.2
9924	Oxygen, Dissolved as O2	mg/l	8.64	6.8	11.5	9.42	11.3	11.5	8.72	9.58	9.88	8.68

Samples from 16 Oct 2017 to 15 Aug 2023

Notation	Determinand	Units	16 Oct 2017 09:16	21 Feb 2018 10:20	11 May 2018 07:51	17 Aug 2018 07:56	9 Nov 2018 11:20	4 Mar 2019 13:17	18 Apr 2023 14:44	18 May 2023 09:41	18 Jul 2023 13:08	15 Aug 2023 12:54
0061	pH		8.04	7.36	7.97	8.17	8.19	8.32	8.22	8.07	8.13	7.63
0076	Temperature of Water	°C	12.6	6.1	10	13.7	8.1	7.8	13.8	12	14.9	15.6
0077	Conductivity at 25 C	μs/cm	918	898	864	848	899	952	896	878	864	874
0085	BOD : 5 Day ATU	mg/l								1.3		1.8
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.085	< 0.03	< 0.03	0.063	0.242	< 0.03	0.072	< 0.03	0.16
0116	Nitrogen, Total Oxidised as N	mg/l	4.88	8.52	7.29	5.79	5.7	7.67	6.7	6.4	5.7	5.2
0117	Nitrate as N	mg/l	4.86	8.49	7.25	5.76	5.66	7.62	6.68	6.36	5.66	5.1
0118	Nitrite as N	mg/l	0.0167	0.0252	0.0387	0.0336	0.0358	0.0464	0.019	0.039	0.043	0.1
0119	Ammonia un-ionised as N	mg/l	< 0.00066	0.00027	< 0.00051	< 0.00072	0.001	0.00376	< 0.00072	0.00152	< 0.00078	0.0019
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	325	288	308	304	312	287	310	300	290	290
0180	Orthophosphate, reactive as P	mg/l	0.071	0.07	0.02	0.066	0.08	0.103	0.014	0.034	0.067	0.15
9901	Oxygen, Dissolved, % Saturation	%	80.2	82.9	95.1	92.9	97	117.6	104.6	99.3	104.1	64
9924	Oxygen, Dissolved as O2	mg/l	8.51	10.3	10.7	9.61	11.4	14	10.8	10.7	10.5	6.35

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sampling point Old Stell At Flood Bridge

Determinands

Sampling results

Samples from 14 Sep 2023 to 28 May 2024

Samples from 16 Oct 2017 to 15 Aug 2023

sampling point
Old Stell At Flood Bridge