sampling point
Derwent At Forge Valley

Description	DERWENT AT FORGE VALLEY
Sampling point ID	NE-49600138
Type	Freshwater – Rivers
Status	open
Location	easting northing: 498877 485715 lat lon: 54.257546, -0.483666
Area	Yorkshire
Sub-Area	Esk, Derwent, Hull
Summary	206 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.

42 determinands have been measured at this site

Action taken
Alky Instrum
Alky pH 4.5
Ammonia(N)
BOD ATU
COD as O2
Calcium - Ca
Chloride Ion
Cond @ 20C
Cond @ 25C
Cu Filtered
Hardness
Liqcolour-mn
Liqcolour-se
Liqcolour-st
Magnesium-Mg
N Oxidised
NH3 un-ion
Nitrate-N
Nitrite-N
O Diss %sat
Obs Flow ROC
Oil & Grs Vs
Orthophospht
OrthophsFilt
Oxygen Diss
Phenol Odour
Phosphorus-P
Potassium- K
SiO2 Rv
Sld Sus@105C
Solid quanty
Sulphate SO4
Temp Water
Type of Flow
Water Depth
Weth7Dy-Prec
Weth7Dy-Temp
WethPresPrec
WethPresTemp
Zinc - as Zn
pH

Displaying the twenty most recent samples. You can see all 206 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 12 Jun 2019 to 16 Mar 2020

Notation	Determinand	Units	12 Jun 2019 13:06	15 Jul 2019 14:00	9 Aug 2019 11:39	10 Oct 2019 11:57	14 Nov 2019 12:26	13 Dec 2019 12:34	20 Jan 2020 14:42	14 Feb 2020 12:31	28 Feb 2020 12:00	16 Mar 2020 11:19
0061	pH		8.07	8.13	7.79	7.58	8.01	7.43	7.85	7.95	7.72	7.79
0076	Temperature of Water	°C	10.8	14.1	14.5	9.8	6.3	5.5	5.2	5.6	4.9	6.9
0077	Conductivity at 25 C	μs/cm	141	433	391	247	273	249	401	371	346	347
0111	Ammoniacal Nitrogen as N	mg/l	0.045	< 0.03	< 0.03	< 0.03	< 0.03	0.043	0.03	0.052	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	1.11	2.9	2.8	1.6	2.04	1.8	3.6	2.2	3.1	2.8
0117	Nitrate as N	mg/l	1.11	2.89	2.79	1.6	2.04	1.8	3.59	2.19	3.1	2.79
0118	Nitrite as N	mg/l	< 0.004	0.01	0.0082	< 0.004	< 0.004	< 0.004	0.0056	0.006	< 0.004	0.0083
0119	Ammonia un-ionised as N	mg/l	0.00087	< 0.00074	< 0.00047	< 0.00021	< 0.00042	0.00015	0.00027	0.00061	< 0.0002	< 0.00027
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	26	140	140	61	67	60	120	98	91	97
0180	Orthophosphate, reactive as P	mg/l	< 0.01	< 0.01	0.011	< 0.01	< 0.01	0.017	< 0.01	0.011	< 0.01	0.014
9901	Oxygen, Dissolved, % Saturation	%	89.5	93.5	87.9	93.4	93.6	94.5	96.6	87.4	96.3	97.1
9924	Oxygen, Dissolved as O2	mg/l	9.89	9.59	8.94	10.6	11.5	11.9	12.3	11	12.3	11.8

Samples from 16 Nov 2017 to 22 May 2019

Notation	Determinand	Units	16 Nov 2017 11:24	12 Dec 2017 14:51	11 Jan 2018 12:13	20 Feb 2018 11:53	14 Mar 2018 10:33	13 Jun 2018 11:49	10 Sep 2018 09:41	6 Dec 2018 14:53	8 Apr 2019 11:43	22 May 2019 11:04
0061	pH		7.79	7.97	7.71	7.63	7.89	7.93	8.17	7.46	8.04	7.85
0076	Temperature of Water	°C	8.1	2.5	5.9	6.1	5.2	12.9	11.6	7.4	8.3	11
0077	Conductivity at 25 C	μs/cm	452	337	300	279	297	415	462	266	403	389
0111	Ammoniacal Nitrogen as N	mg/l	0.046	< 0.03	0.03	< 0.03	0.033	< 0.03	< 0.03	< 0.03	< 0.03	< 0.03
0116	Nitrogen, Total Oxidised as N	mg/l	2.48	3.19	2.46	2.02	2.91	3.67	3.25	1.62	3.48	3
0117	Nitrate as N	mg/l	2.47	3.19	2.45	2.02	2.91	3.66	3.24	1.62	3.48	2.99
0118	Nitrite as N	mg/l	0.0099	< 0.004	0.0056	< 0.004	< 0.004	0.0128	0.0074	< 0.004	0.0047	0.0065
0119	Ammonia un-ionised as N	mg/l	0.00045	< 0.00029	0.00021	< 0.00018	0.00033	< 0.00058	< 0.00062	< 0.00013	< 0.00048	< 0.00042
0135	Solids, Suspended at 105 C	mg/l	3.92	4.83	10.7	9	12.9
0162	Alkalinity to pH 4.5 as CaCO3	mg/l	143	84	76	70	68	136	157	50	118	120
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
9901	Oxygen, Dissolved, % Saturation	%	86.7	94.6	100.2	96.6	105	92.6	96.7	99.7	96.9	95.9
9924	Oxygen, Dissolved as O2	mg/l	10.2	12.9	12.5	12	13.3	9.76	10.5	12	11.4	10.6

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sampling point Derwent At Forge Valley

Determinands

Sampling results

Samples from 12 Jun 2019 to 16 Mar 2020

Samples from 16 Nov 2017 to 22 May 2019

sampling point
Derwent At Forge Valley