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sampling point
River Seaton At Courtneys Mill Bridge

Description RIVER SEATON AT COURTNEY'S MILL BRIDGE
Sampling point ID SW-81310246
Type Freshwater – Rivers
Status open
Location easting northing: 228840 61624
lat lon: 50.429459, -4.411211
Area Devon And Cornwall
Sub-Area West Devon And Cornwall
Summary 150 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.

29 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • ColformsPre
  • Cond @ 25C
  • Cu Filtered
  • F Coli Pre
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Magnesium-Mg
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Potassium- K
  • StrepF PMF
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 150 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Nov 2014 to 23 Mar 2017

NotationDeterminandUnits25 Nov
2014
11:46
5 Jan
2015
13:08
15 Apr
2015
15:04
8 Jul
2015
13:56
13 Oct
2015
09:46
28 Jan
2016
14:29
4 May
2016
12:06
30 Aug
2016
10:39
30 Nov
2016
10:57
23 Mar
2017
16:20
0061pH7.57.47.97.367.5577.587.547.67.6
0076Temperature of Water°C9.610.314.414.19.410.210.413.56.29.2
0077Conductivity at 25 Cμs/cm217219229239228214231240227217
0111Ammoniacal Nitrogen as Nmg/l0.034< 0.03< 0.03< 0.03< 0.030.035< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l4.014.064.183.983.824.323.93.83.893.94
0117Nitrate as Nmg/l44.054.173.973.824.313.893.83.883.93
0118Nitrite as Nmg/l0.00920.00640.00770.0133< 0.0040.00650.0056< 0.0040.00590.0052
0119Ammonia un-ionised as Nmg/l0.00019< 0.00014< 0.0006< 0.00017< 0.000197.0e-05< 0.00022< 0.00025< 0.00017< 0.00021
0162Alkalinity to pH 4.5 as CaCO3mg/l47464953504551555147
0180Orthophosphate, reactive as Pmg/l0.0380.0420.0860.1420.1160.0270.0790.210.0610.041
9901Oxygen, Dissolved, % Saturation%102.196105.892.495.397.8107.398.598.595.4
9924Oxygen, Dissolved as O2mg/l11.610.710.89.4810.9111210.212.211

Samples from 2 Nov 2012 to 12 Sep 2014

NotationDeterminandUnits 2 Nov
2012
11:14
30 Nov
2012
13:50
17 Dec
2012
12:26
20 Feb
2013
10:39
2 May
2013
11:57
14 Aug
2013
13:52
27 Nov
2013
11:25
7 Mar
2014
10:41
5 Jun
2014
15:18
12 Sep
2014
10:24
0061pH7.67.97.67.77.57.87.5
0076Temperature of Water°C7.910.914.41010.512.912.8
0077Conductivity at 25 Cμs/cm219234231222205232253
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0320.1620.0420.0530.0410.071
0116Nitrogen, Total Oxidised as Nmg/l4.644.423.654.223.894.054.6
0117Nitrate as Nmg/l4.634.413.624.213.884.044.59
0118Nitrite as Nmg/l0.0070.01170.02640.00790.01130.0110.015
0119Ammonia un-ionised as Nmg/l< 0.000190.00050.001650.000390.000320.000590.00051
0162Alkalinity to pH 4.5 as CaCO3mg/l47545148425356
0180Orthophosphate, reactive as Pmg/l0.0450.0310.0430.0450.0690.1280.0390.0290.0570.128
9901Oxygen, Dissolved, % Saturation%9811097.8100.899.5100101
9924Oxygen, Dissolved as O2mg/l11.612.19.9711.411.110.510.7