sampling point
River Darwen At Hoghton Bottoms

Description	RIVER DARWEN AT HOGHTON BOTTOMS
Sampling point ID	NW-88003554
Type	Freshwater – Rivers
Status	open
Location	easting northing: 362702 427203 lat lon: 53.739853, -2.566942
Area	Cumbria And Lancashire
Sub-Area	Ribble / Douglas
Summary	207 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.

43 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
Lead - as Pb
Magnesium-Mg
N Oxidised
NH3 un-ion
Ni- Filtered
Nickel - Ni
Nitrate-N
Nitrite-N
O Diss %sat
OMR Smpl Num
Orthophospht
Oxygen Diss
Pb Filtered
Sld NV@500C
Sld Sus@105C
Temp Water
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 207 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 24 Jun 2019 to 3 Mar 2020

Notation	Determinand	Units	24 Jun 2019 09:38	24 Jul 2019 10:19	6 Aug 2019 11:01	2 Sep 2019 10:02	7 Oct 2019 09:14	1 Nov 2019 12:59	2 Dec 2019 13:15	23 Jan 2020 11:06	11 Feb 2020 14:06	3 Mar 2020 12:27
0061	pH		8.13	7.85	8.13	8.34	7.82	8.1	7.88	7.83	7.44	8.06
0076	Temperature of Water	°C	14.5	18.9	15.3	13.6	11.4	10.1	4.2	7.6	5.4	5.5
0077	Conductivity at 25 C	μs/cm	259	218	384	337	245	499	337	376	599	386
0111	Ammoniacal Nitrogen as N	mg/l	0.348	0.21	< 0.03	0.12	0.042	0.1	0.051	0.12	< 0.03	0.25
0116	Nitrogen, Total Oxidised as N	mg/l	2.41	1.8	2.8	3.2	1.3	2.6	2.6	3.2	2.1	1.4
0117	Nitrate as N	mg/l	2.33	1.74	2.78	3.13	1.29	2.55	2.57	3.15	2.08	1.38
0118	Nitrite as N	mg/l	0.0809	0.063	0.019	0.075	0.014	0.054	0.027	0.052	0.018	0.021
0119	Ammonia un-ionised as N	mg/l	0.00882	0.00523	< 0.00081	0.00285	0.00056	0.00184	0.00046	0.00125	< 0.00011	0.00328
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	64	58	100	79	72	87	89	91	73	69
0180	Orthophosphate, reactive as P	mg/l	0.136	0.14	0.26	0.24	0.1	0.14	0.17	0.23	0.071	0.13
9901	Oxygen, Dissolved, % Saturation	%	100.5	94.8	100.9	93.4	100	100.2	104	106.9	105.4	104.7
9924	Oxygen, Dissolved as O2	mg/l	10.2	8.79	10.1	9.69	10.9	11.3	13.5	12.8	13.3	13.2

Samples from 15 Sep 2016 to 3 May 2019

Notation	Determinand	Units	15 Sep 2016 08:31	2 Dec 2016 13:17	12 Jan 2017 10:01	5 Apr 2017 08:21	5 Jul 2017 11:48	17 Oct 2017 10:02	1 Feb 2018 13:13	4 May 2018 13:06	2 Apr 2019 11:41	3 May 2019 12:19
0061	pH		8.04	7.98	8	8.01	8.3	7.7	7.78	8.95	8.13	8.74
0076	Temperature of Water	°C	16.2	7.4	5.3	8.5	15.8	11.7	4.8	11.4	8.4	11.2
0077	Conductivity at 25 C	μs/cm	379	384	462	416	452	352	310	404	328	425
0111	Ammoniacal Nitrogen as N	mg/l	< 0.03	0.097	0.089	0.035	< 0.03	0.091	0.095	< 0.03	0.67	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.79	3.34	2.38	4.02	3.83	2.75	1.24	2.48	2.88	4.05
0117	Nitrate as N	mg/l	2.76	3.28	2.34	3.97	3.79	2.73	1.23	2.45	2.81	3.98
0118	Nitrite as N	mg/l	0.0259	0.0588	0.0362	0.0525	0.0354	0.0218	0.0129	0.0271	0.074	0.0661
0119	Ammonia un-ionised as N	mg/l	< 0.00086	0.0014	0.00115	0.00057	< 0.00084	0.00095	0.00072	< 0.00061	0.0109	< 0.0006
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	109	95	85	111	106	99	65	92	63	96
0180	Orthophosphate, reactive as P	mg/l	0.275	0.488	0.289	0.208	0.263	0.289	0.109	0.152	0.083	0.095
9901	Oxygen, Dissolved, % Saturation	%	91.3	102.2	98.3	100.3	116.8	99.2	101.3	128.7	107.9	122.8
9924	Oxygen, Dissolved as O2	mg/l	8.95	12.3	12.4	11.7	11.5	10.7	13	14	12.6	13.5

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sampling point River Darwen At Hoghton Bottoms

Determinands

Sampling results

Samples from 24 Jun 2019 to 3 Mar 2020

Samples from 15 Sep 2016 to 3 May 2019

sampling point
River Darwen At Hoghton Bottoms