sampling point
R Derwent D/S Of Derwent Water

Description	R DERWENT D/S OF DERWENT WATER
Sampling point ID	NW-88021290
Type	Freshwater – Rivers
Status	open
Location	easting northing: 325542 523336 lat lon: 54.599675, -3.154031
Area	Cumbria And Lancashire
Sub-Area	North Cumbria
Summary	53 samples taken between 2023 and 2003

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.

39 determinands have been measured at this site

Alky pH 4.5
Ammonia(N)
BOD ATU
C - Org Filt
CHLOROPHYLL
Ca Filtered
Calcium - Ca
Cd Filtered
Chloride Ion
Cond - Field
Cond @ 25C
Cr- Filtered
Cu Filtered
Fe- Filt
Hardness
Magnesium-Mg
Mn- Filtered
N Oxidised
NATGRIDREF
NH3 un-ion
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
OMR Smpl Num
Orthophospht
Oxygen Diss
Pb Filtered
Phosphorus-P
Sld Sus@105C
Temp Water
Weth-Visibty
Weth7Dy-Prec
Weth7Dy-Temp
Weth7Dy-Vsy
WethPresPrec
WethPresTemp
Zn- Filtered
pH

Displaying the twenty most recent samples. You can see all 53 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Jun 2022 to 3 Mar 2023

Notation	Determinand	Units	10 Jun 2022 09:21	6 Jul 2022 10:45	9 Aug 2022 14:22	16 Sep 2022 14:04	10 Oct 2022 16:24	2 Nov 2022 12:39	7 Dec 2022 11:39	18 Jan 2023 13:59	3 Feb 2023 12:06	3 Mar 2023 12:51
0061	pH		7.21	7.12	7.83	7.18	7.41	6.45	7.36	7.5	7.42	7.58
0076	Temperature of Water	°C	16.3	17	19.7	15.9	12	10.7	4.8	4.5	6.3	6.5
0077	Conductivity at 25 C	μs/cm	57	57	64	55	76	51	50	49	51	52
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	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	0.24	0.29	0.23
0117	Nitrate as N	mg/l	< 0.196	< 0.196	< 0.196	< 0.196	< 0.196	< 0.196	< 0.196	0.236	0.286	0.226
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	< 0.00014	< 0.00012	< 0.00076	< 0.00013	< 0.00017	< 2.0e-05	< 9.0e-05	< 0.00012	< 0.00011	< 0.00016
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	9	10	13	11	11	7	7	5	6	8
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
7887	Chlorophyll : Acetone Extract	μg/l	4.3	6.9		4.7	5.9	6.7	4.7	1.5	3.7	2.9
9901	Oxygen, Dissolved, % Saturation	%	96.8	96.8	100.6	97.6	72.7	94	89.6	95.7	101.9	100.3
9924	Oxygen, Dissolved as O2	mg/l	9.47	9.33	9.18	9.63	7.82	10.4	11.5	12.4	12.6	12.3

Samples from 6 Aug 2014 to 9 May 2022

Notation	Determinand	Units	6 Aug 2014 12:09	4 Sep 2014 16:03	2 Oct 2014 10:07	7 Nov 2014 12:23	27 Nov 2014 14:44	13 Jan 2015 15:12	5 Feb 2015 12:17	19 Mar 2015 14:13	1 Apr 2022 13:48	9 May 2022 12:44
0052	Lead, Dissolved	μg/l	< 0.1	< 0.1	< 0.1	0.107	< 0.1	0.146	< 0.1	< 0.1
0061	pH		8.08	7.44	7.5	6.86	7.28	7.22	7.1	7.04	7.1	8.2
0076	Temperature of Water	°C	19.2	18.3	13.4	9.9	7.4	5.4	2.7	7.1	9.4	14.7
0077	Conductivity at 25 C	μs/cm	75	59	64	53	49	44	53	54	51	60
0085	BOD : 5 Day ATU	mg/l	< 1	< 1	1.43	< 1	< 1	< 1	< 1	< 1
0106	Cadmium, Dissolved	μg/l	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	0.0132	0.0136	< 0.01
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	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	< 0.2	0.22	0.25	0.24	< 0.2
0117	Nitrate as N	mg/l	< 0.196	< 0.196	< 0.196	< 0.196	< 0.196	< 0.196	0.216	0.246	0.236	< 0.196
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	< 0.00107	< 0.00028	< 0.00023	< 4.0e-05	< 9.0e-05	< 7.0e-05	< 4.0e-05	< 5.0e-05	< 7.0e-05	< 0.00077
0135	Solids, Suspended at 105 C	mg/l	< 3	< 3	< 3	< 3	< 3	< 3	< 3	< 3
0158	Hardness, Total as CaCO3	mg/l	14.3	12.7	14	11	10.8	8.75	10.2
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	10	9	10	8	8	< 5	8	6	< 5	7
0172	Chloride	mg/l	12.3	10.4	11	8.6	8.9	8.2	10.7	10.5
0180	Orthophosphate, reactive as P	mg/l	< 0.02	< 0.02	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
0237	Magnesium	mg/l	0.747	0.661	0.744	0.645	0.607	0.586	0.654
0239	Calcium, Dissolved	mg/l								3.1
0241	Calcium	mg/l	4.49	4.01	4.38	3.35	3.34	2.54	3.02
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	2.08	2.38	2.06	2.32	2.01	1.6	1.07	1.01
3408	Zinc, Dissolved	μg/l	1.8	2.02	4.31	4.69	3.06	4.87	4.02	2.19
3409	Chromium, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5	< 0.5
6450	Copper, Dissolved	μg/l	0.523	0.836	0.864	1.38	0.554	1.69	0.346	1.24
6458	Manganese, Dissolved	μg/l								< 10
6460	Iron, Dissolved	μg/l								< 30
7887	Chlorophyll : Acetone Extract	μg/l									2.5	5.9
9901	Oxygen, Dissolved, % Saturation	%	87	106.3	90.4	79.9	92.2	97.1	93.2	104	106.1	109.8
9924	Oxygen, Dissolved as O2	mg/l	8.02	9.97	9.42	9.02	11.1	12.3	12.6	12.6	12.1	11.1

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sampling point R Derwent D/S Of Derwent Water

Determinands

Sampling results

Samples from 10 Jun 2022 to 3 Mar 2023

Samples from 6 Aug 2014 to 9 May 2022

sampling point
R Derwent D/S Of Derwent Water