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sampling point
R.Duntz Near Mill Farm

Description R.DUNTZ AT ROAD BRIDGE NEAR MILL FARM
Sampling point ID SW-72912012
Type Freshwater – Unspecified
Status open
Location easting northing: 243476 121282
lat lon: 50.969628, -4.230614
Area Devon And Cornwall
Sub-Area East Devon And Cornwall
Summary 48 samples taken between 2017 and 2013

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.

12 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Temp Water
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 48 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Mar 2016 to 31 May 2017

NotationDeterminandUnits16 Mar
2016
08:05
13 May
2016
11:43
15 Jun
2016
11:25
30 Aug
2016
10:24
7 Oct
2016
09:05
25 Oct
2016
12:09
25 Nov
2016
11:41
18 Jan
2017
11:56
13 Feb
2017
13:16
31 May
2017
11:09
0061pH7.68.098.218.467.77.927.57.87.78.01
0076Temperature of Water°C7.715.213.514.49.210.47.97.56.815.4
0077Conductivity at 25 Cμs/cm203213159226208195214211210221
0111Ammoniacal Nitrogen as Nmg/l0.04< 0.030.616< 0.03< 0.03< 0.030.030.0570.036< 0.03
0116Nitrogen, Total Oxidised as Nmg/l3.672.262.6823.252.164.544.124.12
0117Nitrate as Nmg/l3.652.252.6423.242.164.534.14.081.99
0118Nitrite as Nmg/l0.0230.01050.0374< 0.0040.0087< 0.0040.01010.02260.02070.0065
0119Ammonia un-ionised as Nmg/l0.00025< 0.00080.0145< 0.00075< 0.00026< 0.000470.000150.000550.00026< 0.00081
0162Alkalinity to pH 4.5 as CaCO3mg/l39462951434841423655
0180Orthophosphate, reactive as Pmg/l0.0390.0920.1470.1290.0540.0640.030.0510.0370.123
9901Oxygen, Dissolved, % Saturation%95.396.496.492.99594.5103949588.2
9924Oxygen, Dissolved as O2mg/l11.49.65109.4710.910.512.211.311.68.79

Samples from 8 May 2015 to 19 Feb 2016

NotationDeterminandUnits 8 May
2015
11:54
24 Jun
2015
12:14
20 Jul
2015
12:53
27 Aug
2015
12:18
24 Sep
2015
11:46
21 Oct
2015
09:10
14 Dec
2015
12:22
18 Dec
2015
11:42
22 Jan
2016
10:27
19 Feb
2016
11:30
0061pH7.77.67.77.77.87.667.87.77.317.8
0076Temperature of Water°C10.412.915.913.812.710.510.211.39.36.8
0077Conductivity at 25 Cμs/cm187214229190190218110208174151
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.030.0510.042< 0.030.0380.0360.3190.159
0116Nitrogen, Total Oxidised as Nmg/l1.962.392.113.352.442.634.173.81.813.66
0117Nitrate as Nmg/l1.952.382.113.342.432.634.143.771.773.63
0118Nitrite as Nmg/l0.00850.006< 0.0040.01240.0149< 0.0040.02980.03260.04260.0274
0119Ammonia un-ionised as Nmg/l< 0.00029< 0.00027< 0.000430.000620.00059< 0.000260.000450.000370.001140.00145
0162Alkalinity to pH 4.5 as CaCO3mg/l39485240464939434139
0180Orthophosphate, reactive as Pmg/l0.0480.0920.1120.0660.080.0630.040.0490.0690.032
9901Oxygen, Dissolved, % Saturation%108104991029895.9979593.598
9924Oxygen, Dissolved as O2mg/l12.1119.7710.510.410.710.910.410.711.9