sampling point
Riffa Beck At Wharfe Confluence

Description	RIFFA BECK AT WHARFE CONFLUENCE
Sampling point ID	NE-49700140
Type	Freshwater – Rivers
Status	open
Location	easting northing: 425747 445866 lat lon: 53.908302, -1.609563
Area	Yorkshire
Sub-Area	Aire, Calder, Wharfe
Summary	210 samples taken between 2022 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.

35 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Liqcolour-mn
Liqcolour-se
Liqcolour-st
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Obs Flow ROC
Oil & Grs Vs
Orthophospht
Oxygen Diss
Phenol Odour
Potassium- K
Sld Sus@105C
Solid quanty
Temp Water
Type of Flow
Weth7Dy-Prec
Weth7Dy-Temp
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 210 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Jun 2021 to 3 Mar 2022

Notation	Determinand	Units	2 Jun 2021 13:24	8 Jul 2021 11:16	2 Aug 2021 11:36	1 Sep 2021 12:20	6 Oct 2021 14:23	1 Nov 2021 11:39	3 Dec 2021 12:24	5 Jan 2022 15:35	1 Feb 2022 14:20	3 Mar 2022 14:42
0061	pH		8.3	8.11	8.55	8.12	7.75	8.34	7.87	8.06	8.23	7.49
0076	Temperature of Water	°C	15.4	15.6	13.5	13.7	10.6	9.3	5.1	3.9	7.6	6.7
0077	Conductivity at 25 C	μs/cm	360	354	403	398	326	158	339	379	362	348
0111	Ammoniacal Nitrogen as N	mg/l	0.12	0.046	0.059	< 0.03	< 0.03	< 0.03	< 0.03	0.15	0.095	0.13
0116	Nitrogen, Total Oxidised as N	mg/l	2.2	1.8	0.92	0.68	1.9	0.74	4.6	5.3	3.2	3.7
0117	Nitrate as N	mg/l	2.19	1.79	0.916	0.675	1.9	0.736	4.59	5.23	3.19	3.68
0118	Nitrite as N	mg/l	0.014	0.014	< 0.004	0.0047	< 0.004	< 0.004	0.011	0.067	0.01	0.023
0119	Ammonia un-ionised as N	mg/l	0.00325	0.00126	0.00139	< 0.00072	< 0.00032	< 0.00052	< 0.00028	0.00175	0.00145	0.00058
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	110	110	140	150	75	70	69	74	94	79
0180	Orthophosphate, reactive as P	mg/l	0.056	0.059	0.054	0.047	0.045	0.035	0.029	0.045	0.038	0.067
9901	Oxygen, Dissolved, % Saturation	%	94.2	101	102.8	93.8	95.4	101.8	99.8	85.8	92.3	97.1
9924	Oxygen, Dissolved as O2	mg/l	9.39	10	10.7	9.71	10.6	11.7	12.7	11.3	11	11.9

Samples from 4 Jul 2019 to 7 May 2021

Notation	Determinand	Units	4 Jul 2019 13:20	12 Aug 2019 13:04	30 Sep 2019 12:16	18 Oct 2019 11:36	19 Nov 2019 12:07	3 Dec 2019 11:48	6 Jan 2020 13:31	10 Feb 2020 12:50	3 Mar 2020 13:41	7 May 2021 11:01
0061	pH		8.08	7.95	7.9	7.73	7.74	7.97	8.13	7.31	7.75	8.46
0076	Temperature of Water	°C	15.8	13.7	12.7	10.5	4.3	5.3	7.2	5.4	5.5	7.2
0077	Conductivity at 25 C	μs/cm	386	262	275	226	350	312	361	260	353	353
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	0.054	0.1	0.706	0.076	0.074	0.19	0.36	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.95	1.9	4.2	2.2	3.48	1.7	3.3	3.4	2.8	1.6
0117	Nitrate as N	mg/l	0.938	1.89	4.19	2.19	3.45	1.68	3.29	3.38	2.78	1.59
0118	Nitrite as N	mg/l	0.012	0.0059	0.012	0.013	0.0259	0.024	0.009	0.025	0.019	0.0062
0119	Ammonia un-ionised as N	mg/l	< 0.00084	< 0.00064	0.00096	0.00103	0.00468	0.00092	0.0011	0.00051	0.00267	< 0.00045
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	130	67	56	64	92	120	100	60	95	110
0180	Orthophosphate, reactive as P	mg/l	0.06	0.047	0.084	0.21	0.138	0.05	0.045	0.12	0.11	0.014
9901	Oxygen, Dissolved, % Saturation	%	97.7	99.9	96.1	91.7	88.9	97.4	96.1	96.1	91	114.3
9924	Oxygen, Dissolved as O2	mg/l	9.66	10.3	10.2	10.2	11.5	12.3	11.6	12.1	11.5	13.8

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sampling point Riffa Beck At Wharfe Confluence

Determinands

Sampling results

Samples from 2 Jun 2021 to 3 Mar 2022

Samples from 4 Jul 2019 to 7 May 2021

sampling point
Riffa Beck At Wharfe Confluence