sampling point
R. Caldew At The Green, Dalston

Description	RSN0043 R. CALDEW AT THE GREEN, DALSTON
Sampling point ID	NW-RSN0043
Type	Freshwater – Rivers
Status	open
Location	easting northing: 337022 549649 lat lon: 54.837667, -2.982065
Area	Cumbria And Lancashire
Sub-Area	North Cumbria
Summary	24 samples taken between 2022 and 2021

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.

17 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
C - Org Filt
Chloride Ion
Cond @ 25C
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
Nitrogen - N
O Diss %sat
Orthophospht
Oxygen Diss
Phosphorus-P
SiO2 Rv
Temp Water
pH

Displaying the twenty most recent samples. You can see all 24 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 2 Mar 2022 to 1 Dec 2022

Notation	Determinand	Units	2 Mar 2022 09:05	20 Apr 2022 09:10	5 May 2022 13:01	6 Jun 2022 09:40	19 Jul 2022 14:57	4 Aug 2022 09:56	1 Sep 2022 09:54	3 Oct 2022 09:54	1 Nov 2022 09:27	1 Dec 2022 09:06
0061	pH		7.95	8.6	8.89	8.15	9.2	8.14	8.23	7.91	7.82	8.02
0076	Temperature of Water	°C	5.3	8.3	11.4	11.5	21.1	13.9	12.1	11	10.3	6.3
0077	Conductivity at 25 C	μs/cm	233	248	241	212	259	183	215	150	230	223
0111	Ammoniacal Nitrogen as N	mg/l	0.0073	< 0.002	0.0052	0.022	0.0095	0.012	0.0038	0.0045	0.0081	0.007
0116	Nitrogen, Total Oxidised as N	mg/l	1.6	0.68	0.9	0.85	0.67	0.62	0.73	0.69	1.5	1.3
0117	Nitrate as N	mg/l	1.6	0.674	0.893	0.844	0.664	0.616	0.727	0.688	1.49	1.3
0118	Nitrite as N	mg/l	0.0025	0.0063	0.007	0.0061	0.0057	0.0036	0.003	0.0023	0.0084	0.0029
0119	Ammonia un-ionised as N	mg/l	8.0e-05	< 3.0e-05	0.00011	0.00045	0.00039	0.00029	8.0e-05	7.0e-05	0.0001	0.0001
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	88	95	91	230	86	65	81	56	89	88
0172	Chloride	mg/l	10	9.7	9.6	7.7	9	7.3	8.9	7.8	11	8.9
0180	Orthophosphate, reactive as P	mg/l	0.02	0.001	0.0015	0.021	0.0066	0.016	0.0051	0.021	0.041	0.021
0182	Silica, reactive as SiO2	mg/l	5	0.92	1.9	4.6	2.3	4.2	2.8	4.6	5.2	5.7
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	1.9	1.5	1.4	2.8	1.3	6.1	1.2	5.3	6.5	2.3
0348	Phosphorus, Total as P	mg/l	0.025								0.077	0.027
9686	Nitrogen, Total as N	mg/l	2	1		1.1	0.94	1	0.9	1.2	2.1	1.4
9901	Oxygen, Dissolved, % Saturation	%	106.1	117.1	113.3	103.7	119.4	101.6	105.7	101.5	100.4	100.1
9924	Oxygen, Dissolved as O2	mg/l	13.4	13.7	12.4	11.3	10.6	10.5	11.3	11.2	11.2	12.3

Samples from 4 May 2021 to 1 Feb 2022

Notation	Determinand	Units	4 May 2021 08:42	2 Jun 2021 07:13	19 Jul 2021 09:54	11 Aug 2021 09:43	16 Sep 2021 10:45	5 Oct 2021 10:47	10 Nov 2021 12:39	1 Dec 2021 08:55	13 Jan 2022 08:29	1 Feb 2022 12:17
0061	pH		8.38	8.44	8.46	8.15	8.56	8.03	8.12	7.9	8.03	8.39
0076	Temperature of Water	°C	7	11.9	17.4	13.5	13.8	10.3	9.5	6.8	6.1	7.1
0077	Conductivity at 25 C	μs/cm	241	239	283	202	249	157	195	131	225	245
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03	0.067	0.0076	0.0051
0116	Nitrogen, Total Oxidised as N	mg/l	1.4	0.85	1.2	0.76	1.1	1.5	1.2	1.9	1.7	1.3
0117	Nitrate as N	mg/l	1.39	0.843	1.19	0.755	1.1	1.49	1.2	1.89	1.7	1.3
0118	Nitrite as N	mg/l	0.0082	0.007	0.0098	0.0046	0.0048	0.01	< 0.004	0.0071	0.0028	0.0032
0119	Ammonia un-ionised as N	mg/l	< 0.00044	< 0.00063	< 0.00094	< 0.00071	< 0.00072	< 0.00056	< 0.00053	0.00077	0.0001	8.0e-05
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	88	96	110	76	95	51	76	43	86	87
0172	Chloride	mg/l	10	8.9	11	7.8	9.9	9.2	8.9	9.7	9.6	11
0180	Orthophosphate, reactive as P	mg/l	< 0.01	0.012	< 0.01	0.011	0.012	0.041	0.022	0.11	0.021	0.021
0182	Silica, reactive as SiO2	mg/l	3.2	3.3	3.6	4.1	4.4	4.6	5.3	3.5	5.3	4.7
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	3.6	1.7	1.3	3.9	1.4	7.3	4.2	8.9	2.4	2.7
0348	Phosphorus, Total as P	mg/l	0.03	0.021	0.022	0.032	0.018	0.09	0.036	0.25	0.026	0.03
9686	Nitrogen, Total as N	mg/l	1.8	1.1	1.3	1.1	1.2	2.3	1.4	3.2	2	1.6
9901	Oxygen, Dissolved, % Saturation	%	109.7	93.5	101.5	99.1	112.8	134.9	102.8	108.1	96	105.9
9924	Oxygen, Dissolved as O2	mg/l	13.3	10.1	9.7	10.3	11.6	15.1	11.7	13.2	11.9	12.8

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sampling point R. Caldew At The Green, Dalston

Determinands

Sampling results

Samples from 2 Mar 2022 to 1 Dec 2022

Samples from 4 May 2021 to 1 Feb 2022

sampling point
R. Caldew At The Green, Dalston