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sampling point
Par River At Treffry Bridge

Description PAR RIVER AT TREFFRY BRIDGE
Sampling point ID SW-81610172
Type Freshwater – Rivers
Status open
Location easting northing: 205750 56880
lat lon: 50.379656, -4.733483
Area Devon And Cornwall
Sub-Area West Devon And Cornwall
Summary 227 samples taken between 2019 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.

69 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
  • Colfm PMF10
  • ColfmF MF10
  • Cond @ 20C
  • 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
  • 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
  • StrepF PMF
  • Strontium-Sr
  • StrontumFilt
  • Sulphate SO4
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • Zn- Filtered
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 227 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Oct 2018 to 2 Jul 2019

NotationDeterminandUnits23 Oct
2018
15:57
7 Nov
2018
10:23
13 Dec
2018
13:55
8 Jan
2019
11:10
8 Feb
2019
11:38
1 Mar
2019
12:19
1 Apr
2019
14:24
2 May
2019
15:29
10 Jun
2019
10:15
2 Jul
2019
12:28
0061pH7.197.087.56.95
0076Temperature of Water°C12.711.39.310.1
0077Conductivity at 25 Cμs/cm532195285250
0111Ammoniacal Nitrogen as Nmg/l0.3450.0460.0930.1440.1040.2830.0520.1170.120.85
0116Nitrogen, Total Oxidised as Nmg/l1.731.122.882.83
0117Nitrate as Nmg/l1.671.112.862.82
0118Nitrite as Nmg/l0.05510.00530.02050.0132
0119Ammonia un-ionised as Nmg/l0.001210.000110.00080.00017
0162Alkalinity to pH 4.5 as CaCO3mg/l25142320
0180Orthophosphate, reactive as Pmg/l0.4890.0760.1040.0880.1660.2850.1590.3050.121.4
9901Oxygen, Dissolved, % Saturation%97.898.4102.2100
9924Oxygen, Dissolved as O2mg/l10.310.811.711.2

Samples from 23 Nov 2017 to 13 Sep 2018

NotationDeterminandUnits23 Nov
2017
11:14
4 Jan
2018
10:39
1 Feb
2018
13:39
22 Mar
2018
13:09
3 Apr
2018
15:38
2 May
2018
15:37
20 Jun
2018
14:26
10 Jul
2018
11:00
3 Aug
2018
13:35
13 Sep
2018
11:02
0061pH7.477.547.427.377.417.437.37.43
0076Temperature of Water°C10.39.97.27.611.815.918.512.9
0077Conductivity at 25 Cμs/cm295172204227178319481536
0111Ammoniacal Nitrogen as Nmg/l0.2630.1080.1350.0650.130.1360.8820.5320.0810.146
0116Nitrogen, Total Oxidised as Nmg/l2.61.772.163.191.242.471.881.48
0117Nitrate as Nmg/l2.571.762.143.181.232.351.761.44
0118Nitrite as Nmg/l0.03450.00880.01530.01130.01340.1220.1190.0369
0119Ammonia un-ionised as Nmg/l0.001470.000690.000530.000240.000740.00680.003690.0009
0162Alkalinity to pH 4.5 as CaCO3mg/l2719222221141924
0180Orthophosphate, reactive as Pmg/l0.2840.0650.0640.140.0910.110.6550.3930.5920.444
9901Oxygen, Dissolved, % Saturation%99.5101.910298.6102.899.899.198.6
9924Oxygen, Dissolved as O2mg/l11.111.512.311.811.19.859.2610.4