sampling point
Luddenden Brook At Luddenden Foot

Description	LUDDENDEN BROOK AT LUDDENDEN FOOT
Sampling point ID	NE-49500499
Type	Freshwater – Rivers
Status	open
Location	easting northing: 403751 425107 lat lon: 53.722344, -1.944626
Area	Yorkshire
Sub-Area	Aire, Calder, Wharfe
Summary	113 samples taken between 2020 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.

33 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
BOD ATU
Calcium - Ca
Chloride Ion
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
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 113 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Jul 2019 to 11 Mar 2020

Notation	Determinand	Units	25 Jul 2019 14:11	31 Jul 2019 13:28	17 Oct 2019 12:20	31 Oct 2019 14:43	22 Nov 2019 13:22	9 Dec 2019 14:28	13 Jan 2020 14:03	19 Feb 2020 13:40	24 Feb 2020 11:43	11 Mar 2020 11:39
0061	pH		7.82	7.93	7.44	7.46	7.89	7.46	7.5	7.63	7.72	8.42
0076	Temperature of Water	°C	18.7	15.5	9.5	7.9	6.2	5.8	6.6	5.8	5.5	7
0077	Conductivity at 25 C	μs/cm	124	138	100	51	113	106	127	134	200	127
0111	Ammoniacal Nitrogen as N	mg/l	0.054	< 0.03	< 0.03	< 0.03	0.06	0.053	0.048	0.04	0.047	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.53	0.92	0.69	0.63	0.68	0.83	1.2	0.97	0.75	0.89
0117	Nitrate as N	mg/l	0.526	0.916	0.686	0.626	0.676	0.826	1.2	0.965	0.746	0.886
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	0.0041	0.0053	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.00124	< 0.0007	< 0.00015	< 0.00014	0.00064	0.00021	0.00022	0.00023	0.00033	< 0.00044
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	24	17	13	13	11	15	14	12	12	13
0180	Orthophosphate, reactive as P	mg/l	0.023	0.039	< 0.01	< 0.01	< 0.01	0.011	0.01	< 0.01	0.017	0.012
9901	Oxygen, Dissolved, % Saturation	%	102.6	101.7	101.9	100.9	98.8	97.4	98.9	118.2	98.1	98.6
9924	Oxygen, Dissolved as O2	mg/l	9.55	10.1	11.6	12	12.2	12.2	12.1	14.8	12.4	12

Samples from 19 Aug 2016 to 21 Jun 2019

Notation	Determinand	Units	19 Aug 2016 15:04	23 Nov 2016 10:57	16 Mar 2017 14:50	22 Jun 2017 12:45	25 Sep 2017 15:17	14 Dec 2017 12:40	16 Jan 2018 13:45	11 Apr 2018 11:41	23 May 2019 14:26	21 Jun 2019 10:24
0061	pH		7.74	7.36	7.67	7.6	7.74	7.67	7.75	7.45	8.12	7.65
0076	Temperature of Water	°C	14.4	6.4	8.2	15.1	12.8	4.3	3.9	6.6	12.6	11.1
0077	Conductivity at 25 C	μs/cm	149	111	143	169	129	334	168	135	173	141
0111	Ammoniacal Nitrogen as N	mg/l	0.079	0.0107	0.0079	0.0618	0.0351	0.0894	0.0234	0.0982	0.064	0.058
0116	Nitrogen, Total Oxidised as N	mg/l	0.773	0.82	0.773	0.649	0.581	0.829	0.767	0.737	0.6	0.64
0117	Nitrate as N	mg/l	0.743	0.818	0.772	0.646	0.578	0.826	0.765	0.722	0.596	0.636
0118	Nitrite as N	mg/l	0.0296	0.00157	0.00121	0.00329	0.00304	0.00281	0.00222	0.0153	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	0.0011	3.0e-05	6.0e-05	0.00066	0.00044	0.0005	0.00015	0.0004	0.00141	0.00052
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	31	12	19	37	22	20	13	16	33	22
0180	Orthophosphate, reactive as P	mg/l	0.0295	0.223	0.0085	0.0252	0.0113	0.0169	0.0119	0.0149	0.023	0.016
9901	Oxygen, Dissolved, % Saturation	%	95.2	101.9	105.1	102	101.3	102.5	90.5	99.7	101.9	96.7
9924	Oxygen, Dissolved as O2	mg/l	9.7	12.5	12.4	10.2	10.7	13.3	11.9	12.2	10.8	10.6

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sampling point Luddenden Brook At Luddenden Foot

Determinands

Sampling results

Samples from 25 Jul 2019 to 11 Mar 2020

Samples from 19 Aug 2016 to 21 Jun 2019

sampling point
Luddenden Brook At Luddenden Foot