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sampling point
River Lyd At Lifton Bridge

Description RIVER LYD AT LIFTON BRIDGE
Sampling point ID SW-81261111
Type Freshwater – Rivers
Status open
Location easting northing: 238911 84838
lat lon: 50.640907, -4.279575
Area Devon And Cornwall
Sub-Area Central Devon And Cornwall
Summary 264 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.

81 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
  • C - Organic
  • COD as O2
  • Ca Filtered
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Dtrgt NncSyn
  • DtrgtAncSyn
  • Fe- Filt
  • GCMS S-Vol
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • IonicBalance
  • Iron - as Fe
  • K- Filtered
  • Lead - as Pb
  • Lithium - Li
  • Lithium Filt
  • Magnesium-Mg
  • Manganse-Mn
  • Mg Filtered
  • Mineral Oils
  • Mn- Filtered
  • N Inorganic
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Na- Filtered
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Oil,Grse,Fat
  • Orthophospht
  • OrthophsFilt
  • OrthophsFilt
  • Oxygen Diss
  • Pb Filtered
  • Phenol Odour
  • PhenolicOdor
  • Phosphate
  • Phosphorus-P
  • Potassium- K
  • SO4dis
  • SiO2 Rv
  • Sld Sus@105C
  • Sodium - Na
  • 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 264 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 28 Oct 2022 to 19 Jul 2024

NotationDeterminandUnits28 Oct
2022
11:08
18 Nov
2022
10:26
15 Dec
2022
13:32
18 Jan
2023
11:38
2 Feb
2023
10:01
8 Mar
2023
10:35
25 Apr
2024
11:20
14 May
2024
10:16
21 Jun
2024
09:14
19 Jul
2024
09:44
0061pH7.227.687.517.227.567.557.67.637.487.95
0076Temperature of Water°C13.610.23.368.16.59.412.713.716.1
0077Conductivity at 25 Cμs/cm180150190440174160185190
0085BOD : 5 Day ATUmg/l6.51.11.6< 11.21.91.21.4< 1< 1
0092Chemical Oxygen Demand :- {COD}mg/l17036< 1013< 1014
0099Carbon, Organic, Total as C :- {TOC}mg/l12.36.623.72< 3< 3< 3
0111Ammoniacal Nitrogen as Nmg/l0.0550.043< 0.03< 0.03< 0.030.11< 0.03< 0.03< 0.030.037
0116Nitrogen, Total Oxidised as Nmg/l1.41.81.62.21.71.21.41.31.20.91
0117Nitrate as Nmg/l1.391.81.62.21.691.191.41.31.20.906
0118Nitrite as Nmg/l0.0096< 0.004< 0.004< 0.0040.00590.0077< 0.004< 0.0040.004< 0.004
0119Ammonia un-ionised as Nmg/l0.000220.00038< 0.00011< 7.0e-05< 0.000170.00056< 0.00021< 0.00029< 0.000220.00094
0135Solids, Suspended at 105 Cmg/l33014< 3134.920
0162Alkalinity to pH 4.5 as CaCO3mg/l28273625373940364345
0172Chloridemg/l191719201993
0180Orthophosphate, reactive as Pmg/l0.050.030.020.0150.020.0480.0220.020.030.029
0183Sulphate as SO4mg/l171116121618
0192Phosphate :- {TIP}mg/l0.480.0440.0270.0260.0240.09
0207Sodiummg/l109.713111256
0209Potassium, Dissolvedmg/l3.92.51.91.91.92.2
0211Potassiummg/l4.12.41.81.91.92.3
0239Calcium, Dissolvedmg/l121316131516
0241Calciummg/l131216131517
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l9.64.61.51.61.62.2
0348Phosphorus, Total as Pmg/l0.510.0560.030.030.0290.11
0666Oils, Grease and Fatsmg/l< 1< 1< 1< 1< 1
1183Weather : Precipitation1118116
3683Nitrogen, Total Inorganic : (Calculated)mg/l1.461.841.632.231.731.31
6037Aluminium, Dissolvedμg/l525714191715
6051Ironμg/l110006002503403001100
6057Aluminiumμg/l30001904515061370
6396Turbidityntu13
6460Iron, Dissolvedμg/l41024014085160170
9901Oxygen, Dissolved, % Saturation%97.2101.693.699.199.495102.396.897.497.7
9924Oxygen, Dissolved as O2mg/l10.111.412.512.311.711.711.710.210.19.6

Samples from 7 Nov 2019 to 5 Aug 2022

NotationDeterminandUnits 7 Nov
2019
07:53
9 Dec
2019
11:08
6 Jan
2020
09:25
12 Feb
2020
10:24
2 Mar
2020
09:47
5 Apr
2022
13:41
12 May
2022
14:13
7 Jun
2022
11:29
6 Jul
2022
11:01
5 Aug
2022
11:17
0061pH7.437.427.57.567.418.437.867.87.77.6
0076Temperature of Water°C9.48.38.46.37.110.213.215.816.417.3
0077Conductivity at 25 Cμs/cm153160172194154180180160140150
0085BOD : 5 Day ATUmg/l1.91.11< 11.1
0092Chemical Oxygen Demand :- {COD}mg/l< 101222
0099Carbon, Organic, Total as C :- {TOC}mg/l3.873.75
0111Ammoniacal Nitrogen as Nmg/l< 0.030.04< 0.030.0590.042< 0.03< 0.03< 0.03< 0.030.052
0116Nitrogen, Total Oxidised as Nmg/l1.881.31.91.81.81.50.730.840.590.42
0117Nitrate as Nmg/l1.881.291.891.791.81.50.7260.8350.5860.416
0118Nitrite as Nmg/l< 0.0040.00640.00520.00580.004< 0.004< 0.0040.0047< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.000140.00017< 0.000160.00030.00016< 0.00056< 0.0005< 0.00053< 0.000440.00065
0135Solids, Suspended at 105 Cmg/l< 38.38.4104.8
0162Alkalinity to pH 4.5 as CaCO3mg/l33313229284140333132
0172Chloridemg/l1718171617
0180Orthophosphate, reactive as Pmg/l0.0240.0240.020.0180.019< 0.010.0150.079< 0.01< 0.01
0183Sulphate as SO4mg/l1211< 10
0192Phosphate :- {TIP}mg/l< 0.020.0280.110.0320.026
0207Sodiummg/l121112
0209Potassium, Dissolvedmg/l2.12.11.9
0211Potassiummg/l2.21.91.9
0239Calcium, Dissolvedmg/l121110
0241Calciummg/l121110
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l3.23.43.5
0348Phosphorus, Total as Pmg/l0.0240.0410.120.0410.036
0666Oils, Grease and Fatsmg/l< 1< 1< 1
1183Weather : Precipitation11311
3683Nitrogen, Total Inorganic : (Calculated)mg/l1.530.760.870.620.472
6037Aluminium, Dissolvedμg/l11< 10< 10
6051Ironμg/l390470220
6057Aluminiumμg/l707348
6396Turbidityntu2.344.98.14
6460Iron, Dissolvedμg/l16015077
9901Oxygen, Dissolved, % Saturation%91.58994.1103.399.9114103.699.69798.6
9924Oxygen, Dissolved as O2mg/l10.510.41112.712.112.810.89.859.479.44