sampling point
River Calder At Calder Bridge

Description	RIVER CALDER AT CALDER BRIDGE
Sampling point ID	NW-88005120
Type	Freshwater – Rivers
Status	open
Location	easting northing: 304215 505999 lat lon: 54.440325, -3.478401
Area	Cumbria And Lancashire
Sub-Area	North Cumbria
Summary	249 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.

51 determinands have been measured at this site

Al- Filtered
Alky pH 4.5
Aluminium-Al
Ammonia(N)
BOD ATU
CHLOROPHYLL
COD as O2
Cadmium - Cd
Calcium - Ca
Cd Filtered
Chloride Ion
Chromium -Cr
Cond @ 20C
Cond @ 25C
Copper - Cu
Cr- Filtered
Cu Filtered
Hardness
Iron - as Fe
Lead - as Pb
Magnesium-Mg
Mercury - Hg
Mn- Filtered
N Oxidised
NH3 un-ion
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
OMR Smpl Num
Oil & Grs Vs
Orthophospht
Oxygen Diss
Pb Filtered
Phenol Odour
PhenolicOdor
SiO2 Rv
Sld NV@500C
Sld Sus@105C
Temp Water
TurbidityNTU
Weth-Visibty
Weth7Dy-Prec
Weth7Dy-Temp
Weth7Dy-Vsy
WethPresPrec
WethPresTemp
Zinc - as Zn
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 249 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 14 Jun 2023 to 8 Mar 2024

Notation	Determinand	Units	14 Jun 2023 10:13	3 Jul 2023 11:59	21 Aug 2023 14:26	8 Sep 2023 09:57	5 Oct 2023 13:59	8 Nov 2023 11:07	1 Dec 2023 10:47	3 Jan 2024 11:45	5 Feb 2024 12:26	8 Mar 2024 14:38
0061	pH		7.61	7.55	6.83	7.63	6.62	7.29	7.31	7.14	7.45	7.46
0076	Temperature of Water	°C	16.6	13.1	15.9	16.1	12.8	8.6	1.7	7.4	8	6.9
0077	Conductivity at 25 C	μs/cm	144	78	81	101	42	29	92	64	87	86
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.2	0.42	0.47	0.57	< 0.2	0.32	0.79	0.57	0.78	0.8
0117	Nitrate as N	mg/l	1.2	0.416	0.466	0.566	< 0.196	0.316	0.786	0.566	0.776	0.796
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00037	< 0.00025	< 6.0e-05	< 0.00037	< 3.0e-05	< 0.0001	< 6.0e-05	< 6.0e-05	< 0.00013	< 0.00013
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	< 3	4.9	< 3	< 3	5.1	< 3	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	44	19	17	30	7	13	23	8	16	20
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
6396	Turbidity	ntu	< 1	< 1	< 1	< 1	2.7	< 1	< 1	2	< 1	< 1
7887	Chlorophyll : Acetone Extract	μg/l	0.85	0.64	0.82	0.67	1	1.4	< 0.5	0.56	0.5	< 0.5
9901	Oxygen, Dissolved, % Saturation	%	101.4	100.2	100.1	100.9	99.8	100.6	99.4	100	99.3	99.9
9924	Oxygen, Dissolved as O2	mg/l	9.86	10.5	9.88	9.91	10.5	11.7	13.8	12	11.7	12.1

Samples from 15 Aug 2022 to 10 May 2023

Notation	Determinand	Units	15 Aug 2022 11:48	22 Sep 2022 11:57	11 Oct 2022 11:51	2 Nov 2022 10:36	6 Dec 2022 12:11	31 Jan 2023 13:55	13 Feb 2023 12:54	2 Mar 2023 11:37	20 Apr 2023 11:30	10 May 2023 12:18
0061	pH		7.93	6.7	7.19	7.14	7.6	7.17	7.25	7.42	7.61	7.24
0076	Temperature of Water	°C	17.5	13.7	10.5	9.4	4.5	6.7	5.4	6.1	9	11.3
0077	Conductivity at 25 C	μs/cm	103	45	60	53	90	85	87	88	93	67
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	0.62	< 0.2	0.48	0.26	0.7	0.81	0.64	0.69	0.69	0.4
0117	Nitrate as N	mg/l	0.616	< 0.196	0.476	0.256	0.696	0.806	0.636	0.686	0.686	0.396
0118	Nitrite as N	mg/l	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004	< 0.004
0119	Ammonia un-ionised as N	mg/l	< 0.00081	< 4.0e-05	< 9.0e-05	< 7.0e-05	< 0.00015	< 6.0e-05	< 7.0e-05	< 0.00011	< 0.00021	< 0.00011
0135	Solids, Suspended at 105 C	mg/l	< 3	37	< 3	< 3	< 3	< 3	< 3	< 3	< 3	< 3
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	29	8	12	10	21	19	21	21	23	17
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.02	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
6396	Turbidity	ntu	< 1	36	1.5					< 1	< 1	< 1
7887	Chlorophyll : Acetone Extract	μg/l	0.55	8.6	< 0.5	0.53	0.58	< 0.5	0.75	< 0.5	0.92	2.4
9901	Oxygen, Dissolved, % Saturation	%	100.2	96.2	100.8	101.1	101.8	101.9	101.9	101.7	101.4	102.4
9924	Oxygen, Dissolved as O2	mg/l	9.56	9.96	11.2	11.6	13.2	12.4	12.9	12.6	11.7	11.2

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sampling point River Calder At Calder Bridge

Determinands

Sampling results

Samples from 14 Jun 2023 to 8 Mar 2024

Samples from 15 Aug 2022 to 10 May 2023

sampling point
River Calder At Calder Bridge