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sampling point
R.Tern At Walkmill Bridge

Description RIVER TERN AT WALKMILL BRIDGE
Sampling point ID MD-26955600
Type Freshwater – Rivers
Status open
Location easting northing: 367140 333530
lat lon: 52.89819, -2.489917
Area Shropshire Herefordshire Worcestershire And Gloucestershire
Sub-Area Shropshire & Wye
Summary 172 samples taken between 2018 and 2000

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.

41 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOROPHYLL
  • COD as O2
  • Cadmium - Cd
  • Calcium - Ca
  • Chloride Ion
  • Chlorophylls
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • Hardness
  • Lead - as Pb
  • Magnesium-Mg
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • Potassium- K
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 172 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 10 Feb 2016 to 9 Apr 2018

NotationDeterminandUnits10 Feb
2016
12:29
25 May
2016
09:54
15 Aug
2016
08:38
29 Nov
2016
11:17
10 Mar
2017
09:23
20 Jun
2017
11:45
11 Sep
2017
10:26
19 Dec
2017
10:44
23 Jan
2018
09:30
9 Apr
2018
12:09
0061pH7.687.67.847.897.927.837.717.757.857.9
0076Temperature of Water°C611.413.43.9817.412.44.36.19.4
0077Conductivity at 25 Cμs/cm453553581561523570531535503540
0111Ammoniacal Nitrogen as Nmg/l0.1350.075< 0.030.0840.0610.0320.0460.1030.1060.065
0116Nitrogen, Total Oxidised as Nmg/l7.279.7510.310.710.19.448.3110.99.019.33
0117Nitrate as Nmg/l7.239.710.310.610.19.388.2610.98.969.29
0118Nitrite as Nmg/l0.03620.05390.04840.05040.04450.05760.04620.04860.05050.0394
0119Ammonia un-ionised as Nmg/l0.000880.00061< 0.000490.000760.00080.000680.000520.00070.001030.0009
0162Alkalinity to pH 4.5 as CaCO3mg/l130174183172163181177144145172
0180Orthophosphate, reactive as Pmg/l0.1290.3660.1470.1530.170.1690.3230.1350.1550.114
9901Oxygen, Dissolved, % Saturation%82.488.980.983.7101.195.690.882.5100.397.4
9924Oxygen, Dissolved as O2mg/l10.29.698.4311129.149.6710.712.411.1

Samples from 17 Jan 2014 to 27 Oct 2015

NotationDeterminandUnits17 Jan
2014
11:36
10 Mar
2014
12:37
13 Jun
2014
09:22
8 Jul
2014
11:05
4 Sep
2014
10:42
28 Nov
2014
10:32
14 Jan
2015
11:10
29 Apr
2015
09:44
16 Jul
2015
09:44
27 Oct
2015
08:40
0061pH7.827.87.97.847.897.67.787.48
0076Temperature of Water°C6.38.614.614.2148.34.19.213.39.9
0077Conductivity at 25 Cμs/cm499543561568576529587575575584
0085BOD : 5 Day ATUmg/l1.81.062.51.281.18
0092Chemical Oxygen Demand :- {COD}mg/l27< 10311922
0111Ammoniacal Nitrogen as Nmg/l0.2340.0651.820.0730.0520.1111.330.0740.0610.04
0116Nitrogen, Total Oxidised as Nmg/l8.769.568.829.6210.29.0310.310.89.919.94
0117Nitrate as Nmg/l8.719.538.669.5610.18.9710.310.89.839.89
0118Nitrite as Nmg/l0.0490.03490.1580.05570.05080.05730.04990.04170.07840.0477
0119Ammonia un-ionised as Nmg/l0.000710.02960.001010.001240.01220.000510.000860.00022
0135Solids, Suspended at 105 Cmg/l11.612.412.810.210.3
0162Alkalinity to pH 4.5 as CaCO3mg/l172187178157184184182185
0172Chloridemg/l24.3272729.530.7
0180Orthophosphate, reactive as Pmg/l0.1670.130.3660.2010.1850.1270.2780.4080.270.341
0182Silica, reactive as SiO2mg/l8.387.619.779.149.09
7887Chlorophyll : Acetone Extractμg/l5.17.95.57.210.2
9901Oxygen, Dissolved, % Saturation%93.791.686.990.185.991.495.594.685.385.8
9924Oxygen, Dissolved as O2mg/l11.610.78.819.228.8310.712.510.98.919.69