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sampling point
River Dart At Totnes Weir

Description RIVER DART AT TOTNES WEIR
Sampling point ID SW-70720104
Type Freshwater – Rivers
Status open
Location easting northing: 280100 61220
lat lon: 50.438545, -3.689766
Area Devon And Cornwall
Sub-Area Central Devon And Cornwall
Summary 292 samples taken between 2000 and 2024
Note: a maximum of 10,000 sample measurements are included in this view. Older measurements have been omitted. Please see the API to access the complete data set.

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.

172 determinands have been measured at this site
  • 1,2,3-TCB
  • 1,2,4-TCB
  • 1,3,5-TCB
  • 11Cl-PF3OUdS
  • 12-DCA
  • 3:3 FTCA
  • 4:2 FTSA
  • 5:3 FTCA
  • 6:2 FTSA
  • 7:3 FTCA
  • 8:2 FTSA
  • 9Cl-PF3ONS
  • ADONA
  • Aclonifen
  • Ag- Filtered
  • Alachlor
  • Aldrin
  • Alky pH 4.5
  • Ammonia(N)
  • Arsenic - As
  • As-Filtered
  • B - Filtered
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • Bifenox
  • Boron - as B
  • C - Org Filt
  • CHLOROPHYLL
  • COD as O2
  • Ca Filtered
  • Cadmium - Cd
  • Carbon Tet
  • Cd Filtered
  • Chloride Ion
  • Chloroform
  • Chlorothalnl
  • Chromium -Cr
  • Co- Filtered
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • DDE (PP')
  • DDT (OP')
  • DDT (PP)
  • DDT Derived
  • DiClBenzPhWW
  • Diazinon
  • Dichlorvos
  • Dieldrin
  • Dimethoate
  • Dtrgt NncSyn
  • DtrgtAncSyn
  • Endrin
  • EtFOSA
  • EtFOSAA-B
  • EtFOSAA-L
  • FBSA
  • FOSA
  • Fe- Filt
  • Flow MeanDly
  • Flow m3/s
  • Fluoranthene
  • Fluoride - F
  • HCH Alpha
  • HCH Beta
  • HCH Delta
  • HCH Gamma
  • HEXACHLORO 1
  • HFPO-DA
  • Heptachlor
  • Hexachlorbnz
  • Hg Filtered
  • Ind123pyrene
  • Irgarol 1051
  • Iron - as Fe
  • Isodrin
  • K- Filtered
  • Lead - as Pb
  • MR Screen
  • Manganse-Mn
  • MeFOSAA-B
  • MeFOSAA-L
  • Mercury - Hg
  • Mg Filtered
  • Mn- Filtered
  • N Oxidised
  • N-MeFOSA
  • NFDHA
  • NH3 un-ion
  • Na- Filtered
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • Nitrogen - N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • PCB Con 028
  • PCB Con 052
  • PCB Con 101
  • PCB Con 118
  • PCB Con 138
  • PCB Con 153
  • PCB Con 180
  • PCBs
  • PClBenzene
  • PFBA
  • PFBS
  • PFDS
  • PFDoS
  • PFEESA
  • PFHpS
  • PFHxS-B
  • PFHxS-L
  • PFHxSA
  • PFMOBA
  • PFMOPrA
  • PFNS
  • PFODA
  • PFOS (B)
  • PFOS (L)
  • PFPeS
  • PFTrDA
  • PFUnDS
  • PFdecncAcid
  • PFdodencAcid
  • PFecHS
  • PFheptncAcid
  • PFhexncAcid
  • PFnonncAcid
  • PFoctncAcid
  • PFpentncAcid
  • PFtetdncAcid
  • PFundencAcid
  • Pb Filtered
  • Pendimethaln
  • Pentachlrphl
  • Phenol Odour
  • Phenols Mono
  • Phosphorus-P
  • Potassium- K
  • Quinoxyfen
  • SO4dis
  • Se- Filtered
  • Selenium -Se
  • SiO2 Rv
  • Sld NV@500C
  • Sld Sus@105C
  • Sodium - Na
  • Sulphate SO4
  • TCB Tot
  • TDE (PP)
  • Temp Water
  • Terbutryne
  • TetClEthene
  • Tot Drins(4)
  • Tot HCHs ABG
  • Trichloroeth
  • TurbidityNTU
  • V - Filtered
  • Vanadium - V
  • Zinc - as Zn
  • Zn- Filtered
  • c-Hept Epox
  • pH
  • t-Hept Epox

Sampling results

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

Samples from 22 Mar 2024 to 2 Dec 2024

NotationDeterminandUnits22 Mar
2024
09:32		15 Apr
2024
09:37		17 May
2024
13:02		24 Jun
2024
11:31		22 Jul
2024
11:13		23 Aug
2024
08:10		20 Sep
2024
13:04		28 Oct
2024
10:55		22 Nov
2024
14:07		 2 Dec
2024
09:51
0050Leadμg/l0.290.230.180.650.330.770.150.30.41
0052Lead, Dissolvedμg/l0.11
0061pH7.457.487.567.267.627.388.017.387.467.53
0076Temperature of Water°C10.610.413.115.71716.315.511.45.410.4
0077Conductivity at 25 Cμs/cm106104101108751091083117116112
0085BOD : 5 Day ATUmg/l1.11.1< 11.1< 11.11.21.2< 1
0103Mercury, Dissolvedμg/l< 0.01
0105Mercuryμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
0106Cadmium, Dissolvedμg/l< 0.01
0108Cadmiumμg/l0.0130.0110.010.019< 0.010.015< 0.01< 0.010.014
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.030.036< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l0.830.770.690.810.480.740.610.940.85
0117Nitrate as Nmg/l0.8260.7660.6860.8030.4760.730.5960.9960.9360.846
0118Nitrite as Nmg/l< 0.004< 0.004< 0.0040.0066< 0.0040.010.0042< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.00016< 0.00017< 0.00025< 0.00015< 0.000390.00025< 0.00082< 0.00015< 0.00011< 0.00019
0135Solids, Suspended at 105 Cmg/l< 3< 3< 36.94.410< 312< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l30292829213144343335
0172Chloridemg/l9.6
0180Orthophosphate, reactive as Pmg/l< 0.01< 0.010.0130.030.0210.050.020.0110.015< 0.01
0182Silica, reactive as SiO2mg/l4.9
0205Sodium, Dissolvedmg/l6.7
0209Potassium, Dissolvedmg/l0.88
0348Phosphorus, Total as Pmg/l0.0170.0380.0420.0690.0520.0180.0310.018
0499HCH -gamma :- {Lindane}μg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0753PCB : Totalμg/l< 0.008< 0.008< 0.008< 0.008< 0.008< 0.008< 0.008
2921Perfluoro-3-methoxypropanoic acidμg/l< 0.0005
2922Perfluoro-3,6-dioxaheptanoic acidμg/l< 0.0005
2923Perfluoro(4-methoxybutanoic) acidμg/l< 0.0005
2924Perfluoro(2-ethoxyethane)sulfonic acidμg/l< 0.0005
29253-Perfluoroheptylpropanoic acidμg/l< 0.0005
29263:3 Fluorotelomer carboxylic acidμg/l< 0.004
29422-(N-Ethylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.001
29432-(N-Methylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.002
2944Perfluorohexanesulfonic acid (B)μg/l< 0.0005
2953Perfluoroundecane sulfonic acidμg/l< 0.004
2955Perfluorotridecanoic acidμg/l< 0.005
2957Perfluoropentanesulfonic acidμg/l< 0.0005
2959Perfluorooctanesulfonic acid (linear)μg/l< 0.0005
2960Perfluorooctanesulfonic acid (branched)μg/l< 0.0005
2961Perfluorooctanesulfonamideμg/l< 0.001
2962Perfluorooctadecanoic acidμg/l< 0.002
2963Perfluorononanesulfonic acidμg/l< 0.0005
2964Perfluorohexanesulfonic acid (L)μg/l< 0.0005
2965Perfluorohexanesulfonamideμg/l< 0.0005
2967Perfluoroheptanesulfonic acidμg/l< 0.0005
2968Perfluorododecane sulfonic acidμg/l< 0.005
2969Perfluorodecanesulfonic acidμg/l< 0.002
2970Perfluorobutylsulfonamide (perfluorobutane sulfonamide)μg/l< 0.0005
2972Perfluorobutanesulfonic acidμg/l< 0.001
2973Perfluoro-4-ethylcyclohexanesulfonic acidμg/l< 0.0005
2975N-methylperfluorooctanesulfonamideμg/l< 0.002
2977N-Ethylperfluorooctanesulfonamideμg/l< 0.002
2981Hexafluoropropylene oxide dimer acid (Gen X)μg/l< 0.001
29829-chlorohexadecafluoro-3-oxanonane-1-sulfonic acidμg/l< 0.0005
29838:2 Fluorotelomer sulfonic acidμg/l< 0.001
29846:2 Fluorotelomer sulfonic acidμg/l< 0.001
29874:2 Fluorotelomer sulfonic acidμg/l< 0.0005
29884,8-Dioxa-3H-perfluorononanoic acid (ADONA)μg/l< 0.005
29892H,2H,3H,3H-Perfluorooctanoic acidμg/l< 0.001
29902-(N-Methylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.0005
29912-(N-Ethylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.001
299311-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor)μg/l< 0.001
2995Perfluorobutanoic acidμg/l< 0.001
3408Zinc, Dissolvedμg/l4.4
3409Chromium, Dissolvedμg/l< 0.5
3410Nickel, Dissolvedμg/l< 0.5
6045Arsenic, Dissolvedμg/l1.5
6396Turbidityntu1.2
6450Copper, Dissolvedμg/l0.62
6452Copperμg/l0.720.820.761.61.61.20.731.11.3
6455Zincμg/l2.51.82.73.72.73.52.52.93.3
6458Manganese, Dissolvedμg/l< 10
6460Iron, Dissolvedμg/l52
6462Nickelμg/l< 0.5< 0.5< 0.5< 0.5< 0.50.51< 0.5< 0.5< 0.5
7859Sulphate, Dissolved as SO4mg/l< 10
7887Chlorophyll : Acetone Extractμg/l0.6
8887Perfluoropentanoic acidμg/l< 0.001
8888Perfluorohexanoic acidμg/l< 0.0005
8889Perfluoroheptanoic acidμg/l< 0.001
8890Perfluorooctanoic acidμg/l< 0.0005
8891Perfluorononanoic acidμg/l< 0.001
8892Perfluorodecanoic acidμg/l< 0.002
8893Perfluoroundecanoic acidμg/l< 0.002
8894Perfluorododecanoic acidμg/l< 0.002
8895Perfluorotetradecanoic acidμg/l< 0.006
9447Boron, Dissolvedμg/l< 100
9686Nitrogen, Total as Nmg/l110.981.10.8711.31.2
9768PCB - 028μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9769PCB - 052μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9770PCB - 101μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9771PCB - 118μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9772PCB - 138μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9773PCB - 153μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9774PCB - 180μg/l< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002
9901Oxygen, Dissolved, % Saturation%96.196.29685.695.49388.296.396.894.1
9924Oxygen, Dissolved as O2mg/l10.710.710.18.489.29.18.7810.512.210.5

Samples from 26 Apr 2023 to 21 Feb 2024

NotationDeterminandUnits26 Apr
2023
10:46		27 Jun
2023
09:05		29 Jun
2023
12:09		17 Jul
2023
11:08		28 Sep
2023
11:08		18 Oct
2023
13:50		20 Nov
2023
10:27		 5 Dec
2023
10:13		15 Jan
2024
13:45		21 Feb
2024
12:19
0050Leadμg/l0.130.250.311.81.50.31.20.514.4
0052Lead, Dissolvedμg/l< 0.10.10.250.310.330.140.140.280.10.24
0061pH7.558.187.527.637.727.177.417.347.457.44
0076Temperature of Water°C9.817.918.415.114.612.810.77.75.910.4
0077Conductivity at 25 Cμs/cm1161521277013813513291114112
0085BOD : 5 Day ATUmg/l< 1< 3
0103Mercury, Dissolvedμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
0105Mercuryμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.010.014
0106Cadmium, Dissolvedμg/l< 0.01< 0.010.0130.022< 0.01< 0.01< 0.010.012< 0.01< 0.01
0108Cadmiumμg/l< 0.010.0140.0280.0270.0190.010.0220.0140.043
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0460.041< 0.03< 0.030.063< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l0.821.10.960.430.840.7710.61.20.66
0117Nitrate as Nmg/l0.8161.090.9480.4260.8360.7650.9960.5961.20.656
0118Nitrite as Nmg/l< 0.0040.00820.012< 0.004< 0.0040.0053< 0.004< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.000190.001490.00047< 0.00034< 0.000410.00021< 0.00015< 0.0001< 0.00012< 0.00016
0135Solids, Suspended at 105 Cmg/l< 3< 3< 3< 323123.498.664
0162Alkalinity to pH 4.5 as CaCO3mg/l30383617483941253036
0172Chloridemg/l1113128.31213119.7128.6
0180Orthophosphate, reactive as Pmg/l< 0.010.0430.0320.0160.0150.0320.0110.0130.0130.03
0182Silica, reactive as SiO2mg/l4.95.55.63.86.46.15.34.66.74
0205Sodium, Dissolvedmg/l7.1108.15.79.58.27.66.186
0209Potassium, Dissolvedmg/l0.891.41.20.731.31.41.10.891.11.2
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l1.5
0348Phosphorus, Total as Pmg/l0.0150.0560.0590.0340.0530.0650.0230.0350.0330.15
0499HCH -gamma :- {Lindane}μg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0753PCB : Totalμg/l< 0.008< 0.008< 0.008< 0.008< 0.008< 0.008< 0.008< 0.008< 0.008
2921Perfluoro-3-methoxypropanoic acidμg/l< 0.0005< 0.0005< 0.0005
2922Perfluoro-3,6-dioxaheptanoic acidμg/l< 0.0005< 0.0005< 0.0005
2923Perfluoro(4-methoxybutanoic) acidμg/l< 0.0005
2924Perfluoro(2-ethoxyethane)sulfonic acidμg/l< 0.0005< 0.0005
29253-Perfluoroheptylpropanoic acidμg/l< 0.0005< 0.0005
29263:3 Fluorotelomer carboxylic acidμg/l< 0.004< 0.004
29422-(N-Ethylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.001< 0.001< 0.001
29432-(N-Methylperfluorooctanesulfonamido)acetic acid (B)μg/l< 0.002< 0.002< 0.002
2944Perfluorohexanesulfonic acid (B)μg/l< 0.0005< 0.0005< 0.0005
2953Perfluoroundecane sulfonic acidμg/l< 0.004< 0.004
2955Perfluorotridecanoic acidμg/l< 0.005< 0.005< 0.005
2957Perfluoropentanesulfonic acidμg/l< 0.0005< 0.0005< 0.0005
2959Perfluorooctanesulfonic acid (linear)μg/l< 0.00050.0025< 0.0005
2960Perfluorooctanesulfonic acid (branched)μg/l< 0.00050.0013< 0.0005
2961Perfluorooctanesulfonamideμg/l< 0.001< 0.001< 0.001
2962Perfluorooctadecanoic acidμg/l< 0.002< 0.002< 0.002
2963Perfluorononanesulfonic acidμg/l< 0.0005< 0.0005< 0.0005
2964Perfluorohexanesulfonic acid (L)μg/l< 0.0005< 0.0005< 0.0005
2965Perfluorohexanesulfonamideμg/l< 0.0005< 0.0005< 0.0005
2967Perfluoroheptanesulfonic acidμg/l< 0.0005< 0.0005< 0.0005
2968Perfluorododecane sulfonic acidμg/l< 0.005< 0.005
2969Perfluorodecanesulfonic acidμg/l< 0.002< 0.002< 0.002
2970Perfluorobutylsulfonamide (perfluorobutane sulfonamide)μg/l< 0.0005< 0.0005< 0.0005
2972Perfluorobutanesulfonic acidμg/l< 0.0010.0017< 0.001
2973Perfluoro-4-ethylcyclohexanesulfonic acidμg/l< 0.0005< 0.0005< 0.0005
2975N-methylperfluorooctanesulfonamideμg/l< 0.002< 0.002< 0.002
2977N-Ethylperfluorooctanesulfonamideμg/l< 0.002< 0.002< 0.002
2981Hexafluoropropylene oxide dimer acid (Gen X)μg/l< 0.001< 0.001< 0.001
29829-chlorohexadecafluoro-3-oxanonane-1-sulfonic acidμg/l< 0.0005< 0.0005< 0.0005
29838:2 Fluorotelomer sulfonic acidμg/l< 0.001< 0.001< 0.001
29846:2 Fluorotelomer sulfonic acidμg/l0.0015< 0.001< 0.001
29874:2 Fluorotelomer sulfonic acidμg/l< 0.0005< 0.0005< 0.0005
29884,8-Dioxa-3H-perfluorononanoic acid (ADONA)μg/l< 0.005< 0.005
29892H,2H,3H,3H-Perfluorooctanoic acidμg/l< 0.001< 0.001
29902-(N-Methylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.0005< 0.0005< 0.0005
29912-(N-Ethylperfluorooctanesulfonamido)acetic acid (L)μg/l< 0.001< 0.001< 0.001
299311-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor)μg/l< 0.001< 0.001< 0.001
2995Perfluorobutanoic acidμg/l< 0.001< 0.001< 0.001
3408Zinc, Dissolvedμg/l2.11.82.74.91.45.52.93.3383
3409Chromium, Dissolvedμg/l< 0.51.51.60.54< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5
3410Nickel, Dissolvedμg/l< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5< 0.5< 0.50.54
4994GCMS Screen : Target Based multi-residue screening : Semi Quantitativetext1
6045Arsenic, Dissolvedμg/l1.84.44.22.42.41.91.61.21.31.2
6396Turbidityntu< 11.1< 11.69.78.126.9346
6450Copper, Dissolvedμg/l0.620.961.11.60.911.61.30.981.32.3
6452Copperμg/l0.751.31.62.13.91.21.60.815.3
6455Zincμg/l3.44.45.16.5143.563.315
6458Manganese, Dissolvedμg/l< 10121516< 101312< 10< 10< 10
6460Iron, Dissolvedμg/l37851401904671891506977
6462Nickelμg/l2.5
7859Sulphate, Dissolved as SO4mg/l< 10< 10< 10< 10< 10< 10< 10< 10< 10< 10
7887Chlorophyll : Acetone Extractμg/l1.121.21.63.720.51.1< 0.53.9
8887Perfluoropentanoic acidμg/l< 0.001< 0.001< 0.001
8888Perfluorohexanoic acidμg/l< 0.0005< 0.0005
8889Perfluoroheptanoic acidμg/l< 0.001< 0.001< 0.001
8890Perfluorooctanoic acidμg/l< 0.00050.0019
8891Perfluorononanoic acidμg/l< 0.001< 0.001< 0.001
8892Perfluorodecanoic acidμg/l< 0.002< 0.002< 0.002
8893Perfluoroundecanoic acidμg/l< 0.002< 0.002< 0.002
8894Perfluorododecanoic acidμg/l< 0.002< 0.002< 0.002
8895Perfluorotetradecanoic acidμg/l< 0.006< 0.006< 0.006
9447Boron, Dissolvedμg/l< 100< 100< 100< 100< 100< 100< 100< 100< 100< 100
9686Nitrogen, Total as Nmg/l0.971.41.30.911.21.11.111.31.4
9768PCB - 028μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9769PCB - 052μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9770PCB - 101μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9771PCB - 118μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9772PCB - 138μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9773PCB - 153μg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9774PCB - 180μg/l< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002< 0.002
9901Oxygen, Dissolved, % Saturation%96.890.594.492.390.688.394.297.798.197
9924Oxygen, Dissolved as O2mg/l118.568.849.269.199.3210.411.612.210.8