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sampling point
Derwent Res At Dam Wall Southern End

Description DERWENT RESERVOIR AT THE DAM WALL SOUTHERN END
Sampling point ID NE-43400210
Type Freshwater – Lakes/Ponds/Reservoirs
Status open
Location easting northing: 402350 551100
lat lon: 54.854674, -1.964915
Area Northumberland Durham And Tees
Sub-Area Northumberland & Tyne
Summary 122 samples taken between 2024 and 2004

Determinands

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.

48 determinands have been measured at this site
  • ALK.0.45um
  • Alk-Gran
  • Alky pH 4.5
  • Aluminium-Al
  • Ammonia(N)
  • C - Org Filt
  • C - Organic
  • CHLORIDE GFC
  • CHLOROPHYLL
  • Cadmium - Cd
  • Calcium - Ca
  • Chloride Ion
  • Chromium -Cr
  • Colour Filt
  • ColourAbnoml
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Foam Visible
  • Lead - as Pb
  • Magnesium-Mg
  • N Oxid Filt
  • N Oxidised
  • N-Kjeldahl
  • NH3 filt N
  • NH3 un-ion
  • Nickel - Ni
  • Nitrate-N
  • Nitrite Filt
  • Nitrite-N
  • Nitrogen - N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • OrthophsFilt
  • OrthophsFilt
  • Oxygen Diss
  • Phenol Odour
  • Phosphorus-P
  • Phytoplankto
  • Potassium- K
  • SiO2 Rv
  • Sodium - Na
  • Sulphate SO4
  • Temp Water
  • TurbidityNTU
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 122 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Nov 2019 to 2 Jul 2024

NotationDeterminandUnits15 Nov
2019
10:17
5 Dec
2019
11:44
9 Jan
2020
12:19
6 Feb
2020
11:54
19 Mar
2020
11:20
3 Jul
2023
12:19
16 Oct
2023
12:09
2 Jan
2024
10:39
2 Apr
2024
10:05
2 Jul
2024
10:24
0061pH7.867.88.147.917.828.017.736.977.587.54
0076Temperature of Water°C6.94.743.74.616.812.24.97.215.2
0077Conductivity at 25 Cμs/cm937994917610396668382
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l0.440.550.320.45< 0.2
0117Nitrate as Nmg/l0.4350.5460.3160.446< 0.196
0118Nitrite as Nmg/l0.0047< 0.004< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.00032< 0.00023< 0.00035< 0.00028< 0.00024
0162Alkalinity to pH 4.5 as CaCO3mg/l2311181811
0180Orthophosphate, reactive as Pmg/l< 0.01< 0.01< 0.01< 0.01< 0.01
9901Oxygen, Dissolved, % Saturation%93.9102104105.9110.7100.79398.7100.798.9
9924Oxygen, Dissolved as O2mg/l11.413.113.61414.39.759.9512.612.19.9

Samples from 4 Jul 2018 to 16 Oct 2019

NotationDeterminandUnits 4 Jul
2018
10:31
7 Aug
2018
11:04
5 Sep
2018
09:10
8 Apr
2019
10:08
8 May
2019
09:42
18 Jun
2019
10:35
18 Jul
2019
10:43
13 Aug
2019
11:33
5 Sep
2019
10:23
16 Oct
2019
10:57
0061pH7.888.137.988.58.128.057.31
0076Temperature of Water°C6.98.813.816.816.414.811.5
0077Conductivity at 25 Cμs/cm10911310610910110694
0111Ammoniacal Nitrogen as Nmg/l< 0.030.031< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l0.570.510.480.470.490.450.43
0117Nitrate as Nmg/l0.5660.5060.4760.460.4850.4450.426
0118Nitrite as Nmg/l< 0.004< 0.004< 0.0040.010.0050.0046< 0.004
0119Ammonia un-ionised as Nmg/l< 0.000330.00052< 0.00069< 0.0009< 0.00087< 0.00078< 0.00013
0162Alkalinity to pH 4.5 as CaCO3mg/l18192225212319
0180Orthophosphate, reactive as Pmg/l< 0.01< 0.01< 0.01< 0.010.034< 0.01< 0.01
4574Phytoplankton111
9901Oxygen, Dissolved, % Saturation%104.298101.799102.898.295.7
9924Oxygen, Dissolved as O2mg/l12.711.410.59.58109.9210.4