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sampling point
River Taw At Bondleigh

Description RIVER TAW AT BONDLEIGH
Sampling point ID SW-73030140
Type Freshwater – Rivers
Status closed
Location easting northing: 265781 104549
lat lon: 50.824876, -3.906991
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 76 samples taken between 2013 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.

64 determinands have been measured at this site
  • Action taken
  • Al- Filtered
  • Alky pH 4.5
  • Aluminium-Al
  • Ammonia(N)
  • Arsenic - As
  • As-Filtered
  • B - Filtered
  • BOD ATU
  • Ba- Filtered
  • Barium - Ba
  • Boron - as B
  • C - Org Filt
  • Ca Filtered
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Fe- Filt
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • IonicBalance
  • Iron - as Fe
  • K- Filtered
  • Lead - as Pb
  • Lithium - Li
  • Lithium Filt
  • Magnesium-Mg
  • Manganse-Mn
  • Mg Filtered
  • Mn- Filtered
  • N Inorganic
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Na- Filtered
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Potassium- K
  • SO4dis
  • SiO2 Rv
  • Sld Sus@105C
  • Sodium - Na
  • Strontium-Sr
  • StrontumFilt
  • Sulphate SO4
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 76 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 17 Mar 2006 to 9 Sep 2013

NotationDeterminandUnits17 Mar
2006
09:55
30 Mar
2006
09:10
19 Apr
2006
09:15
10 May
2006
10:20
6 Jul
2006
09:20
3 Aug
2006
11:30
1 Sep
2006
11:45
12 Oct
2006
11:12
30 Nov
2006
10:55
9 Sep
2013
14:30
0050Leadμg/l< 2
0052Lead, Dissolvedμg/l< 2
0061pH7.27.17.58.27.68.18.17.37.78.1
0076Temperature of Water°C49.39.41217.516.817.512.59.614.3
0077Conductivity at 25 Cμs/cm645
0085BOD : 5 Day ATUmg/l< 11.31.21.7< 1< 1< 11.71.4
0106Cadmium, Dissolvedμg/l< 0.1
0108Cadmiumμg/l< 0.1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.030.091< 0.03< 0.03< 0.030.04< 0.03
0116Nitrogen, Total Oxidised as Nmg/l2.441.421.591.571.671.972.662.444.731.32
0117Nitrate as Nmg/l2.441.421.581.551.641.952.652.434.72
0118Nitrite as Nmg/l0.00460.00430.00770.01610.0280.02250.01390.00720.0084< 0.004
0119Ammonia un-ionised as Nmg/l< 6.0e-05< 7.0e-05< 0.00017< 0.000630.00116< 0.0009< 0.00094< 0.000130.00036
0135Solids, Suspended at 105 Cmg/l< 3
0158Hardness, Total as CaCO3mg/l65.5
0162Alkalinity to pH 4.5 as CaCO3mg/l82
0172Chloridemg/l130
0180Orthophosphate, reactive as Pmg/l0.0470.0290.1140.7360.6111.932.870.1160.029
0182Silica, reactive as SiO2mg/l6.66
0183Sulphate as SO4mg/l15
0205Sodium, Dissolvedmg/l71
0207Sodiummg/l73.7
0209Potassium, Dissolvedmg/l39
0211Potassiummg/l21.712.923.284.676.7939
0235Magnesium, Dissolvedmg/l4.63
0237Magnesiummg/l4.74
0239Calcium, Dissolvedmg/l18.6
0241Calciummg/l19
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l2.62
1183Weather : Precipitation161131212
3164Chromiumμg/l< 0.5
3267Type of flow as description333322133
3408Zinc, Dissolvedμg/l6.39
3409Chromium, Dissolvedμg/l< 0.5
3410Nickel, Dissolvedμg/l1.84
3683Nitrogen, Total Inorganic : (Calculated)mg/l2.471.451.621.61.762
4201Lithium, Dissolvedμg/l< 100
6037Aluminium, Dissolvedμg/l< 10
6045Arsenic, Dissolvedμg/l2.37
6046Arsenicμg/l2.61
6050Manganeseμg/l20.6
6051Ironμg/l219
6057Aluminiumμg/l39.3
6059Boronμg/l< 100
6062Bariumμg/l37.4
6063Strontiumμg/l40.6
6064Lithiumμg/l< 100
6450Copper, Dissolvedμg/l1.63.11.81.822.42.32.93.21.65
6452Copperμg/l2.03
6455Zincμg/l6.99.76.859.58.410.68.813.47.46
6458Manganese, Dissolvedμg/l10.8
6460Iron, Dissolvedμg/l121
6462Nickelμg/l2.06
6693Strontium, Filteredμg/l39.3
7044Ionic Balance%-1.51
7434National Grid Reference : Whole : Field report1
7859Sulphate, Dissolved as SO4mg/l14.6
9446Barium, Dissolvedμg/l35.6
9447Boron, Dissolvedμg/l< 100
9901Oxygen, Dissolved, % Saturation%98.194.6104.8102959910098.89298.9
9924Oxygen, Dissolved as O2mg/l12.810.812119.069.589.5410.510.5

Samples from 20 Mar 2005 to 2 Feb 2006

NotationDeterminandUnits20 Mar
2005
13:45
7 Jun
2005
13:35
27 Jun
2005
12:50
26 Jul
2005
13:15
13 Sep
2005
10:40
26 Oct
2005
11:20
10 Nov
2005
09:35
9 Dec
2005
10:30
16 Jan
2006
10:38
2 Feb
2006
10:15
0061pH87.67.97.17.97.67.47.17.17.5
0076Temperature of Water°C11.05141716.11512.510.77.57.54.2
0085BOD : 5 Day ATUmg/l< 11.31< 1< 1< 11.02< 1< 11.181.49
0111Ammoniacal Nitrogen as Nmg/l< 0.030.035< 0.03< 0.03< 0.03< 0.030.031< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l1.831.11.310.992.052.322.053.071.372.11
0117Nitrate as Nmg/l1.811.091.30.9832.032.312.043.071.372.1
0118Nitrite as Nmg/l0.02410.00820.01190.00750.02060.00820.00660.00470.00470.0053
0119Ammonia un-ionised as Nmg/l< 0.000590.00035< 0.00073< 0.00011< 0.00063< 0.000270.00015< 6.0e-05< 6.0e-05< 0.00011
0180Orthophosphate, reactive as Pmg/l0.1570.7760.9510.4952.170.0720.0840.0480.0530.181
0211Potassiummg/l2.712.763.932.986.4422.132.081.982.21
1183Weather : Precipitation1611122121
3267Type of flow as description3322143433
3683Nitrogen, Total Inorganic : (Calculated)mg/l1.861.141.341.022.082.352.083.11.42.14
6450Copper, Dissolvedμg/l2.62.72.53.52.73.23.72.62.71.5
6455Zincμg/l6.98.28.45.58.18.27.66.68.6< 5
9901Oxygen, Dissolved, % Saturation%96.6889410210192100949590
9924Oxygen, Dissolved as O2mg/l10.69.059.061010.29.7811.111.311.411.7