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sampling point
Par River At Lavrean Bridge

Description PAR RIVER AT LAVREAN BRIDGE
Sampling point ID SW-81610210
Type Freshwater – Rivers
Status open
Location easting northing: 203161 59148
lat lon: 50.399168, -4.771041
Area Devon And Cornwall
Sub-Area West Devon And Cornwall
Summary 272 samples taken between 2024 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.

49 determinands have been measured at this site
  • Action taken
  • Al- Filtered
  • Alky pH 4.5
  • Aluminium-Al
  • Ammonia(N)
  • Arsenic - As
  • As-Filtered
  • BOD ATU
  • C - Org Filt
  • Ca Filtered
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Colfm PMF10
  • ColfmF MF10
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • Fe- Filt
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Iron - as Fe
  • Lead - as Pb
  • Level@Smpl T
  • Magnesium-Mg
  • Mg Filtered
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Phenol Odour
  • Potassium- K
  • Sld NV@500C
  • Sld Sus@105C
  • StrepF PMF
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 272 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Jan 2023 to 18 Jul 2024

NotationDeterminandUnits25 Jan
2023
12:18
3 Mar
2023
13:53
6 Jun
2023
11:20
5 Jul
2023
10:08
7 Sep
2023
13:19
1 Nov
2023
13:21
8 Jan
2024
14:13
1 Mar
2024
09:23
25 Jun
2024
13:56
18 Jul
2024
10:28
0061pH6.666.86.966.966.536.536.716.636.936.7
0076Temperature of Water°C76.91415.418.811.96.46.716.216.7
0077Conductivity at 25 Cμs/cm178230216269310161156117200198
0085BOD : 5 Day ATUmg/l< 3< 3
0111Ammoniacal Nitrogen as Nmg/l0.0530.180.0740.0410.0620.0950.0710.10.0420.048
0116Nitrogen, Total Oxidised as Nmg/l1.51.31.30.580.880.711.50.820.820.75
0117Nitrate as Nmg/l1.51.31.290.5750.8720.7061.50.8150.8150.745
0118Nitrite as Nmg/l< 0.0040.00490.00810.0050.0083< 0.004< 0.0040.00480.00490.005
0119Ammonia un-ionised as Nmg/l4.0e-050.000170.000170.00018.0e-057.0e-055.0e-056.0e-050.000117.0e-05
0135Solids, Suspended at 105 Cmg/l9.27.94.87.46.1271029
0143Solids, non-volatile at 500 Cmg/l< 20< 20< 20< 20< 2021< 2022
0162Alkalinity to pH 4.5 as CaCO3mg/l19191917171918151514
0180Orthophosphate, reactive as Pmg/l0.013< 0.010.020.0250.010.0220.0140.0170.01< 0.01
9901Oxygen, Dissolved, % Saturation%93.997.294.195.692.387.693.690.895.698
9924Oxygen, Dissolved as O2mg/l11.411.89.679.538.579.4411.511.19.379.51

Samples from 16 Mar 2020 to 14 Nov 2022

NotationDeterminandUnits16 Mar
2020
10:54
22 Jun
2021
10:20
6 Oct
2021
11:28
17 Dec
2021
13:10
25 Feb
2022
12:38
15 Mar
2022
13:30
3 May
2022
15:52
4 Jul
2022
09:41
26 Oct
2022
13:08
14 Nov
2022
10:49
0061pH6.857.16.756.886.86.97.076.866.666.81
0076Temperature of Water°C814.413.29.67.99.412.413.613.512.2
0077Conductivity at 25 Cμs/cm176273253207249214189271240194
0111Ammoniacal Nitrogen as Nmg/l0.0520.0760.0740.0690.0650.0580.0490.10.0640.08
0116Nitrogen, Total Oxidised as Nmg/l1.30.750.791.41.51.40.870.940.731.2
0117Nitrate as Nmg/l1.30.7430.7861.41.51.40.8660.9310.7261.2
0118Nitrite as Nmg/l< 0.0040.0068< 0.004< 0.0040.00450.00460.00420.0093< 0.0040.0049
0119Ammonia un-ionised as Nmg/l6.0e-050.000250.00019.0e-057.0e-058.0e-050.000130.000187.0e-050.00011
0135Solids, Suspended at 105 Cmg/l9118.7121184.814
0143Solids, non-volatile at 500 Cmg/l< 20< 20< 20< 20< 20< 20< 20
0162Alkalinity to pH 4.5 as CaCO3mg/l18151820171718202019
0180Orthophosphate, reactive as Pmg/l0.0130.0760.0490.0360.0390.0420.0290.0630.0350.024
9901Oxygen, Dissolved, % Saturation%94.689.591.692.896.610097.892.291.292.9
9924Oxygen, Dissolved as O2mg/l11.29.129.5910.611.511.410.49.569.489.94