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sampling point
West Lyn River At Lyn Bridge

Description WEST LYN RIVER AT LYN BRIDGE
Sampling point ID SW-73210209
Type Freshwater – Rivers
Status open
Location easting northing: 271988 148543
lat lon: 51.221683, -3.83446
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 146 samples taken between 2017 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.

34 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • Dtrgt NncSyn
  • DtrgtAncSyn
  • GCMS S-Vol
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Magnesium-Mg
  • Mineral Oils
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • PhenolicOdor
  • Potassium- K
  • Sld Sus@105C
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 146 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Feb 2015 to 3 Apr 2017

NotationDeterminandUnits23 Feb
2015
14:02
12 May
2015
11:45
17 Aug
2015
12:13
9 Dec
2015
11:48
30 Mar
2016
12:39
9 Aug
2016
12:09
27 Oct
2016
11:41
7 Dec
2016
12:28
30 Jan
2017
13:31
3 Apr
2017
10:27
0061pH7.367.67.77.718.18.17.817.77.67.92
0076Temperature of Water°C5.21111.88.67.413.310.29.68.28.1
0077Conductivity at 25 Cμs/cm9010310599869912811683104
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.030.00240.00210.00340.00340.00350.0040.0065
0116Nitrogen, Total Oxidised as Nmg/l0.770.720.760.9520.6280.6560.7821.140.6640.928
0117Nitrate as Nmg/l0.7660.7160.7560.9510.6270.6550.781.140.6630.927
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.001< 0.001< 0.0010.00164< 0.001< 0.001< 0.001
0119Ammonia un-ionised as Nmg/l< 9.0e-05< 0.00024< 0.000322.0e-053.0e-058.0e-054.0e-053.0e-053.0e-059.0e-05
0162Alkalinity to pH 4.5 as CaCO3mg/l14272720172531281924
0180Orthophosphate, reactive as Pmg/l0.01050.0040.0080.00870.00510.00650.00520.01010.00730.0125
9901Oxygen, Dissolved, % Saturation%100.610491.21031029295.994103101.4
9924Oxygen, Dissolved as O2mg/l12.811.49.851212.29.6110.810.712.112

Samples from 26 Feb 2010 to 16 Oct 2014

NotationDeterminandUnits26 Feb
2010
13:20
12 Mar
2010
11:10
7 Mar
2013
11:24
14 Jun
2013
14:55
17 Sep
2013
10:22
4 Dec
2013
12:09
10 Jan
2014
10:27
23 Apr
2014
13:00
31 Jul
2014
10:41
16 Oct
2014
10:03
0061pH7.67.88.18.17.67.87.428.097.87.32
0076Temperature of Water°C65.88.713.510.87.97.71115.211.4
0077Conductivity at 25 Cμs/cm100117121116941269810813589
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l1.051.341.190.820.591.181.120.971.110.59
0117Nitrate as Nmg/l1.051.341.190.8160.5861.181.120.9661.110.586
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.00016< 0.00025< 0.0005< 0.00071< 0.00023< 0.0003< 0.00012< 0.00059< 0.00051< 0.00013
0135Solids, Suspended at 105 Cmg/l< 3< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l20242930212518263516
0180Orthophosphate, reactive as Pmg/l0.033< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.01
0664Visible oil or grease, significant trace: Present/Not found (1/0)pres/nf00
6450Copper, Dissolvedμg/l1.89< 1
6455Zincμg/l< 5< 5
6841Phenolic Odourpres/nf00
9901Oxygen, Dissolved, % Saturation%9810196.5105.310397.196100.6100102.6
9924Oxygen, Dissolved as O2mg/l12.212.611.210.911.411.511.411.11011.2