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sampling point
River Lynher At Trebartha Road Bridge

Description RIVER LYNHER AT TREBARTHA ROAD BRIDGE
Sampling point ID SW-91251730
Type Freshwater – Rivers
Status open
Location easting northing: 226234 77742
lat lon: 50.573509, -4.455369
Area Devon And Cornwall
Sub-Area Central Devon And Cornwall
Summary 239 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.

71 determinands have been measured at this site
  • 12-DCA
  • 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
  • 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 Organic
  • N Oxidised
  • N-Kjeldahl
  • NH3 un-ion
  • Na- Filtered
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • Nitrogen - N
  • O Diss %sat
  • Orthophospht
  • OrthophsFilt
  • Oxygen Diss
  • Pb Filtered
  • Phosphate
  • Phosphorus-P
  • Potassium- K
  • SO4dis
  • SiO2 Rv
  • Sld Sus@105C
  • Sodium - Na
  • Strontium-Sr
  • StrontumFilt
  • Sulphate SO4
  • Temp Water
  • 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 239 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 28 May 2024 to 29 Jul 2024

NotationDeterminandUnits28 May
2024
10:20
5 Jun
2024
15:18
12 Jun
2024
15:13
18 Jun
2024
14:06
24 Jun
2024
13:12
5 Jul
2024
13:29
11 Jul
2024
09:14
15 Jul
2024
09:25
24 Jul
2024
11:47
29 Jul
2024
13:25
0061pH7.297.27
0076Temperature of Water°C12.912.213.214.414.414.513.2131415
0077Conductivity at 25 Cμs/cm151122
0085BOD : 5 Day ATUmg/l< 11.4
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
0113Nitrogen, Organic as Nmg/l0.270.170.07
0114Nitrogen, Kjeldahl as Nmg/l0.30.20.1
0116Nitrogen, Total Oxidised as Nmg/l1.92.12.2221.51.61.71.71.8
0117Nitrate as Nmg/l1.892.12.2221.51.61.71.71.8
0118Nitrite as Nmg/l0.007< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.00015< 0.00013
0135Solids, Suspended at 105 Cmg/l4.464.14.44.57< 3< 3< 3< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l1819
0180Orthophosphate, reactive as Pmg/l< 0.01< 0.01< 0.01< 0.010.0110.013< 0.01< 0.01< 0.010.015
0192Phosphate :- {TIP}mg/l0.02< 0.02< 0.02< 0.02< 0.020.026< 0.02< 0.02< 0.02< 0.02
0348Phosphorus, Total as Pmg/l0.0280.0190.0150.0180.0160.0460.020.0190.0140.02
9686Nitrogen, Total as Nmg/l2.22.32.32.22.11.91.821.91.9
9901Oxygen, Dissolved, % Saturation%10194.9
9924Oxygen, Dissolved as O2mg/l10.39.98

Samples from 22 Mar 2024 to 20 May 2024

NotationDeterminandUnits22 Mar
2024
13:55
26 Mar
2024
10:59
8 Apr
2024
10:09
11 Apr
2024
12:45
15 Apr
2024
13:52
15 Apr
2024
13:53
23 Apr
2024
12:55
1 May
2024
12:56
15 May
2024
11:38
20 May
2024
13:22
0061pH7.036.977.36
0076Temperature of Water°C10.79.311.312.3111111.910.91213.9
0077Conductivity at 25 Cμs/cm118114126
0085BOD : 5 Day ATUmg/l1.1< 1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l2.2221.921.822.2
0117Nitrate as Nmg/l2.2221.91.991.81.992.2
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.0040.0054< 0.0040.00520.0046
0119Ammonia un-ionised as Nmg/l< 6.0e-05< 6.0e-05< 0.00015
0135Solids, Suspended at 105 Cmg/l3.45.64.1< 34.6< 33.5< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l161717
0180Orthophosphate, reactive as Pmg/l< 0.010.011< 0.01< 0.01< 0.010.010.01< 0.01
0192Phosphate :- {TIP}mg/l< 0.020.023< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02
0348Phosphorus, Total as Pmg/l0.0170.0330.0220.0150.0150.020.0370.018
9686Nitrogen, Total as Nmg/l2.422.2221.92.22.3
9901Oxygen, Dissolved, % Saturation%100.9100.298.7
9924Oxygen, Dissolved as O2mg/l11.21110.6