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sampling point
River Seaton At Hessenford

Description RIVER SEATON AT HESSENFORD
Sampling point ID SW-81310218
Type Freshwater – Rivers
Status closed
Location easting northing: 230728 57413
lat lon: 50.392169, -4.382753
Area Devon And Cornwall
Sub-Area West Devon And Cornwall
Summary 86 samples taken between 2007 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.

31 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • ColformsPre
  • Cond @ 20C
  • Cu Filtered
  • F Coli Pre
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Magnesium-Mg
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Potassium- K
  • Sld NV@500C
  • Sld Sus@105C
  • StrepF PMF
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 86 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 24 Jul 2006 to 20 Jul 2007

NotationDeterminandUnits24 Jul
2006
14:40
14 Aug
2006
12:05
28 Sep
2006
13:20
10 Oct
2006
12:50
7 Nov
2006
11:50
29 Nov
2006
15:50
18 May
2007
12:30
2 Jul
2007
11:45
11 Jul
2007
11:03
20 Jul
2007
12:03
0061pH8.148.17.887.887.737.597.97.587.567.69
0062Conductivity at 20 Cμs/cm222203208224
0076Temperature of Water°C16.614.61613.610.712.712.613.3812.913.3
0085BOD : 5 Day ATUmg/l< 1< 11.5< 11.6< 1< 1< 1< 1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.030.135< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l5.665.284.124.165.536.43
0117Nitrate as Nmg/l5.655.284.114.165.536.43
0118Nitrite as Nmg/l0.0092< 0.0040.0077< 0.0040.00480.005
0119Ammonia un-ionised as Nmg/l< 0.000890.00344< 0.00065< 0.00054< 0.00031< 0.00026< 0.00053< 0.00027< 0.00025< 0.00035
0135Solids, Suspended at 105 Cmg/l3.932.9610.8
0143Solids, non-volatile at 500 Cmg/l< 2027< 20< 20
0180Orthophosphate, reactive as Pmg/l0.1770.1460.160.1050.1010.024
0211Potassiummg/l2.59
1183Weather : Precipitation112112
3267Type of flow as description223335
3461Coliforms, Faecal : Presumptive : MFno/100ml6150005001920
3683Nitrogen, Total Inorganic : (Calculated)mg/l5.69
6396Turbidityntu3.417.235.8
6423Streptococci : Faecal : Presumptive : MFno/100ml633088070
9901Oxygen, Dissolved, % Saturation%989494.19290.393.696102.599.9
9924Oxygen, Dissolved as O2mg/l9.539.549.269.54109.91
9933Coliforms, Total : Presumptive : MFno/100ml< 10230009091545

Samples from 30 Sep 2005 to 28 Jun 2006

NotationDeterminandUnits30 Sep
2005
12:25
28 Oct
2005
10:35
23 Nov
2005
12:30
14 Dec
2005
11:50
30 Jan
2006
14:10
17 Feb
2006
11:25
29 Mar
2006
13:15
27 Apr
2006
12:40
17 May
2006
15:30
28 Jun
2006
11:20
0061pH7.597.677.867.67.787.67.758.127.887.85
0076Temperature of Water°C14.213.67.769.936.27.910.41212.714
0085BOD : 5 Day ATUmg/l< 1< 12.041.183.78< 1< 13.2< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.030.0580.143< 0.03< 0.030.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l4.386.115.525.855.613.715.695.625.145.53
0117Nitrate as Nmg/l4.386.15.525.845.63.695.685.615.135.52
0118Nitrite as Nmg/l< 0.0040.00510.00440.00720.01480.01590.00730.00650.0120.0086
0119Ammonia un-ionised as Nmg/l< 0.00029< 0.00034< 0.00034< 0.000220.000480.0009< 0.00032< 0.000630.00051< 0.00052
0180Orthophosphate, reactive as Pmg/l0.1230.0440.0430.0310.0830.10.0330.0930.0980.132
0211Potassiummg/l2.882.212.161.962.133.461.952.242.492.44
1183Weather : Precipitation2211121121
3267Type of flow as description3333333333
3683Nitrogen, Total Inorganic : (Calculated)mg/l4.416.145.555.885.673.855.725.655.175.56
9901Oxygen, Dissolved, % Saturation%969491.798949710110491103
9924Oxygen, Dissolved as O2mg/l9.839.7510.911.111.611.511.311.29.6310.6