sampling point
Nidd At Scotton Mill Weir

Description	NIDD AT SCOTTON MILL WEIR
Sampling point ID	NE-49800092
Type	Freshwater – Rivers
Status	open
Location	easting northing: 431621 458611 lat lon: 54.022522, -1.518836
Area	Yorkshire
Sub-Area	Swale, Ure, Nidd, Ouse
Summary	208 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.

77 determinands have been measured at this site

Action taken
Ag- Filtered
Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
B - Filtered
BOD ATU
Ba- Filtered
Barium - Ba
Boron - as B
C - Org Filt
COD as O2
Ca Filtered
Cadmium - Cd
Calcium - Ca
Cd Filtered
Chloride Ion
Chromium -Cr
Cond @ 20C
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu BLM Bio
Cu Filtered
Fe- Filt
Hardness
IonicBalance
Iron - as Fe
K- Filtered
Lead - as Pb
Liqcolour-mn
Liqcolour-se
Liqcolour-st
Lithium - Li
Lithium Filt
Magnesium-Mg
Manganse-Mn
Mg Filtered
Mn BLM Bio
Mn- Filtered
N Oxidised
NH3 un-ion
Na- Filtered
Ni BLM Bio
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
Obs Flow ROC
Oil & Grs Vs
Orthophospht
Oxygen Diss
Pb BLM Bio
Pb Filtered
Phenol Odour
Potassium- K
SO4dis
SiO2 Rv
Sld Sus@105C
Sodium - Na
Solid quanty
Strontium-Sr
StrontumFilt
Sulphate SO4
Temp Water
Type of Flow
Weth7Dy-Prec
Weth7Dy-Temp
WethPresPrec
WethPresTemp
Zinc - as Zn
Zn BLM Bio
Zn- Filtered
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 208 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 20 Sep 2023 to 3 Jul 2024

Notation	Determinand	Units	20 Sep 2023 11:38	11 Oct 2023 11:48	2 Nov 2023 12:30	24 Nov 2023 14:40	11 Dec 2023 13:49	4 Jan 2024 13:04	6 Feb 2024 13:00	7 Mar 2024 10:18	7 Jun 2024 10:51	3 Jul 2024 11:18
0050	Lead	μg/l	29	9.7	14	7.1	11	6.4	5.5	6.1
0052	Lead, Dissolved	μg/l	12	4	2.9	3.6	3.3	2.1	1.8	1.6
0061	pH		7.5	7.6	7.6	7.6	7.4	7.5	7.4	7.5	7.68	7.61
0076	Temperature of Water	°C	15.2	14.3	9.6	7.6	6	7.5	7.9	6	12.6	14.7
0077	Conductivity at 25 C	μs/cm	142	139	141	151	119	144	136	184	231	283
0106	Cadmium, Dissolved	μg/l	0.19	0.092	0.1	0.15	0.15	0.15	0.1	0.097
0108	Cadmium	μg/l	0.44	0.17	0.22	0.19	0.21	0.19	0.13	0.15
0111	Ammoniacal Nitrogen as N	mg/l	0.061	0.063	0.13	0.084	0.066	0.076	0.075	0.11	0.24	0.73
0116	Nitrogen, Total Oxidised as N	mg/l	1.2	1.4	1.5	1.6	1.4	1.7	1.5	2.1	2.5	2.8
0117	Nitrate as N	mg/l									2.45	2.7
0118	Nitrite as N	mg/l	0.01	0.0081	0.012	0.012	0.0064	0.0087	0.012	0.025	0.048	0.1
0119	Ammonia un-ionised as N	mg/l									0.00256	0.00776
0135	Solids, Suspended at 105 C	mg/l	17	7.1	40	4.8	13	6.6	6.2	8.1
0158	Hardness, Total as CaCO3	mg/l	51	49	48.5	52.7	41.1	49	42.7	63.5
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	43	38	42	41	31	36	32	47	62	75
0172	Chloride	mg/l	9.8	10	9.6	11	9.6	12	13	14
0180	Orthophosphate, reactive as P	mg/l	0.054	0.041	0.088	0.04	0.035	0.034	0.033	0.04	0.12	0.17
0182	Silica, reactive as SiO2	mg/l	5.7	6.8	5.5	6.1	5	5.6	5.3	6.4
0183	Sulphate as SO4	mg/l	11	12	< 10	11	< 10	10	< 10	13
0205	Sodium, Dissolved	mg/l	7.6	8.1	6.8	7.9	6.6	7.6	8.2	11
0207	Sodium	mg/l	7.8	8.2	6.6	7.9	6.5	7.4	8.3	11
0209	Potassium, Dissolved	mg/l	2.6	2.1	4.1	2.3	2.2	2.2	1.8	2.5
0211	Potassium	mg/l	2.7	2.1	4.2	2.3	2.2	2.2	1.9	2.5
0235	Magnesium, Dissolved	mg/l	3.3	3.4	3.3	3.7	2.7	3.4	3.1	4.5
0237	Magnesium	mg/l	3.4	3.4	3.5	3.8	2.7	3.4	3.2	4.5
0239	Calcium, Dissolved	mg/l	15	14	14	15	12	14	12	18
0241	Calcium	mg/l	15	15	15	15	12	13	13	18
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	23	13	14	9.7	9.3	6.8	5.9	6.3
3164	Chromium	μg/l	1.1	0.73	2.4	0.55	0.83	0.55	< 0.5	0.79
3169	pH : In Situ					7.52
3377	Lead : BLM Bioavailable	μg/l	0.6	0.31	0.21	0.37	0.35	0.31	0.31	0.25
3408	Zinc, Dissolved	μg/l	34	18	17	26	23	26	19	19
3409	Chromium, Dissolved	μg/l	0.65	< 0.5	0.69	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	2.9	2.4	3	2.3	2	1.9	1.6	2
3878	Nickel : BLM Bioavailable	μg/l	0.33	0.4	0.47	0.5	0.41	0.52	0.47	0.6
4201	Lithium, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
4820	Manganese : BLM Bioavailable	μg/l	11	11	14	12	6.8	9.4	6.5	11
4821	Copper : BLM Bioavailable	μg/l	0.07	0.05	0.07	0.05	0.05	0.07	0.05	0.07
4822	Zinc : BLM Bioavailable	μg/l	4.4	3.4	3	6.4	6.1	8.8	7.4	6.8
6050	Manganese	μg/l	120	52	99	37	45	36	34	41
6051	Iron	μg/l	1500	1200	1700	640	850	540	560	760
6059	Boron	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l	100	79	86	64	63	62	58	71
6063	Strontium	μg/l	65	65	44	57	39	47	49	67
6064	Lithium	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l	4	2.4	4.1	1.9	2	2	1.3	1.9
6452	Copper	μg/l	5	2.5	5.7	2.4	2.8	1.8	1.6	2.6
6455	Zinc	μg/l	59	27	33	31	32	31	23	26
6458	Manganese, Dissolved	μg/l	30	23	30	27	22	25	21	29
6460	Iron, Dissolved	μg/l	830	680	420	420	350	260	270	270
6462	Nickel	μg/l	4.2	2.8	4.3	2.6	3.8	2.2	1.9	2.6
6693	Strontium, Filtered	μg/l	63	64	42	57	38	48	49	66
7044	Ionic Balance	%	-0.488	1.67	0.187	-0.322	-1.64	-3.01	0.00189	1.57
7859	Sulphate, Dissolved as SO4	mg/l	11	11	< 10	11	< 10	10	< 10	13
9446	Barium, Dissolved	μg/l	77	70	51	61	48	56	53	62
9447	Boron, Dissolved	μg/l	< 100	< 100	< 100	< 100	< 100	< 100	< 100	< 100
9901	Oxygen, Dissolved, % Saturation	%									91.9	90.2
9924	Oxygen, Dissolved as O2	mg/l									9.75	9.13

Samples from 17 May 2018 to 16 Aug 2023

Notation	Determinand	Units	17 May 2018 11:53	7 Aug 2018 10:15	14 Nov 2018 15:44	3 Nov 2022 12:12	5 Dec 2022 13:15	18 Jan 2023 13:23	7 Feb 2023 12:23	1 Mar 2023 13:20	12 Jul 2023 12:12	16 Aug 2023 11:40
0050	Lead	μg/l				8.2	4.2	5	3.8	3	6.1	13
0052	Lead, Dissolved	μg/l				3.9	2	1.9	2.2	1.8	2.4	7.1
0061	pH		7.32	7.72	7.87	7.4	7.5	7.3	7.6	7.9	8.1	7.7
0076	Temperature of Water	°C	13.2	18.2	8.5	10.3	6.4	3.9	5	6.9	16.8	16.6
0077	Conductivity at 25 C	μs/cm	276	329	263	166	210	150	198	257	326	179
0106	Cadmium, Dissolved	μg/l				0.088	0.1	0.16	0.11	0.081	0.061	0.1
0108	Cadmium	μg/l				0.15	0.13	0.2	0.14	0.11	0.12	0.22
0111	Ammoniacal Nitrogen as N	mg/l	0.216			< 0.03	0.079	0.056	0.13	0.25	0.34	0.16
0116	Nitrogen, Total Oxidised as N	mg/l	2.77			1.8	2.8	2.2	2.3	2.8	3.2	1.5
0117	Nitrate as N	mg/l	2.73
0118	Nitrite as N	mg/l	0.0362			0.0074	0.02	0.0074	0.022	0.03	0.077	0.023
0119	Ammonia un-ionised as N	mg/l	0.00106
0135	Solids, Suspended at 105 C	mg/l				4.9	3.1	6.7	< 3	< 3	6.9	8.3
0158	Hardness, Total as CaCO3	mg/l				58.1	67.2	46.5	64.3	78.4	103	62.6
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	71			40	48	31	45	58	81	52
0172	Chloride	mg/l				14	17	13	16	25	25	14
0180	Orthophosphate, reactive as P	mg/l	0.063			0.039	0.052	0.028	0.069	0.1	0.25	0.054
0182	Silica, reactive as SiO2	mg/l				6.4	7.9	5.9	7	6.7	6.9	6.6
0183	Sulphate as SO4	mg/l				17	18	12	16	19	23	14
0205	Sodium, Dissolved	mg/l				9.1	12	8.4	11	17	18	10
0207	Sodium	mg/l				9	12	8.6	11	17	19	10
0209	Potassium, Dissolved	mg/l				2.8	3.1	2.1	2.5	3.3	4.5	2.4
0211	Potassium	mg/l				2.7	3.1	2.3	2.5	3.3	4.6	2.4
0235	Magnesium, Dissolved	mg/l				3.8	4.8	3.4	4.7	5.7	7.5	4.3
0237	Magnesium	mg/l				3.8	5	3.5	4.7	5.8	7.6	4.3
0239	Calcium, Dissolved	mg/l				17	19	13	18	22	29	18
0241	Calcium	mg/l				16	20	13	18	22	29	18
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l				12	7.5	6.8	5.4	5.1	5.9	16
3164	Chromium	μg/l				0.65	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	0.61
3169	pH : In Situ					7.35	7.55	7.01	7.57	7.86	7.65
3377	Lead : BLM Bioavailable	μg/l								0.35	0.41	0.44
3408	Zinc, Dissolved	μg/l				23	23	31	25	20	10	23
3409	Chromium, Dissolved	μg/l				< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l				2.2	2.2	2.1	1.7	1.7	1.8	2.4
3878	Nickel : BLM Bioavailable	μg/l								0.75	0.88	0.36
4201	Lithium, Dissolved	μg/l				< 100	< 100	< 100	< 100	< 100	< 100	< 100
4820	Manganese : BLM Bioavailable	μg/l								21	52	18
4821	Copper : BLM Bioavailable	μg/l								0.12	0.1	0.04
4822	Zinc : BLM Bioavailable	μg/l								7.8	3.4	3.5
6037	Aluminium, Dissolved	μg/l				110	71	87	57	36
6050	Manganese	μg/l				47	49	37	35	28	90	62
6051	Iron	μg/l				650	480	440	400	420	620	1100
6057	Aluminium	μg/l				230	120	190	98	74
6059	Boron	μg/l				< 100	< 100	< 100	< 100	< 100	< 100	< 100
6062	Barium	μg/l				77	81	62	74	82	100	88
6063	Strontium	μg/l				65	81	52	80	100	150	88
6064	Lithium	μg/l				< 100	< 100	< 100	< 100	< 100	< 100	< 100
6450	Copper, Dissolved	μg/l				2.4	2.1	2.3	1.5	2.1	1.7	2.2
6452	Copper	μg/l				2.7	2.1	2.8	1.7	2.2	2.5	2.6
6455	Zinc	μg/l				33	26	36	27	23	18	32
6458	Manganese, Dissolved	μg/l				25	40	28	30	25	52	32
6460	Iron, Dissolved	μg/l	246	195	354	430	330	250	270	260	310	730
6462	Nickel	μg/l				2.5	2.3	2.4	1.8	1.8	2	2.6
6693	Strontium, Filtered	μg/l				65	78	51	79	100	150	90
7044	Ionic Balance	%				-3.24	-0.0711	-0.852	-0.563	-1.26	-0.249	-2.36
7859	Sulphate, Dissolved as SO4	mg/l				17	18	12	15	18	23	14
9446	Barium, Dissolved	μg/l				71	74	58	71	78	95	82
9447	Boron, Dissolved	μg/l				< 100	< 100	< 100	< 100	< 100	< 100	< 100
9901	Oxygen, Dissolved, % Saturation	%	98.5	98.5	97
9924	Oxygen, Dissolved as O2	mg/l	10.3	9.26	11.3

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sampling point Nidd At Scotton Mill Weir

Determinands

Sampling results

Samples from 20 Sep 2023 to 3 Jul 2024

Samples from 17 May 2018 to 16 Aug 2023

sampling point
Nidd At Scotton Mill Weir