sampling point
River Dart At Totnes Weir
Description | RIVER DART AT TOTNES WEIR |
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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 |
286 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.
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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.
189 determinands have been measured at this site
- 1,1,1-TCA
- 1,2,3-TCB
- 1,2,4-TCB
- 1,3,5-TCB
- 11Cl-PF3OUdS
- 12-DCA
- 2,4-D
- 2-CHLORO-4-N
- 2-CHLORO-6-N
- 2Cl5NToluene
- 3:3 FTCA
- 4:2 FTSA
- 4Cl2Ntoluene
- 4Cl3NToluene
- 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
- Benzene
- Bifenox
- Boron - as B
- C - Org Filt
- CHLOROPHYLL
- CN Free
- COD as O2
- Ca Filtered
- Cadmium - Cd
- Carbon Tet
- Cd Filtered
- Chloride Ion
- Chloroform
- Chlorothalnl
- Chromium -Cr
- Co- Filtered
- Cond @ 25C
- Copper - Cu
- Cr Hexavalnt
- Cr- Filtered
- Cu Filtered
- DDE (PP')
- DDT (OP')
- DDT (PP)
- DDT Derived
- DiClBenzPhWW
- DiClMe
- 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
- ICP-MS Semiq
- 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
- Nonyl Phenol
- O Diss %sat
- Octyl Phenol
- Oil & Grs Vs
- Orthophospht
- Oxygen Diss
- PBDE
- 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
- TriBT Cation
- TriPT Cation
- 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 28 Sep 2023 to 24 Jun 2024
Samples from 12 Mar 2020 to 17 Jul 2023
Notation | Determinand | Units | 12 Mar 2020 09:47 | 21 Jan 2022 11:46 | 4 Feb 2022 09:04 | 11 Mar 2022 10:30 | 6 Apr 2022 10:13 | 12 May 2022 09:29 | 26 Apr 2023 10:46 | 27 Jun 2023 09:05 | 29 Jun 2023 12:09 | 17 Jul 2023 11:08 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
0050 | Lead | μg/l | 0.37 | 2.3 | 0.16 | 0.31 | 0.1 | 0.34 | 0.13 | 0.25 | 0.31 | |
0052 | Lead, Dissolved | μg/l | < 0.1 | 0.1 | < 0.1 | < 0.1 | 0.12 | < 0.1 | 0.1 | 0.25 | 0.31 | |
0061 | pH | 7.42 | 7.6 | 7.85 | 7.93 | 7.56 | 7.33 | 7.55 | 8.18 | 7.52 | 7.63 | |
0076 | Temperature of Water | °C | 8.6 | 4.7 | 8.5 | 8.6 | 10.3 | 13.5 | 9.8 | 17.9 | 18.4 | 15.1 |
0077 | Conductivity at 25 C | μs/cm | 111 | 126 | 114 | 108 | 119 | 133 | 116 | 152 | 127 | 70 |
0085 | BOD : 5 Day ATU | mg/l | < 1 | |||||||||
0103 | Mercury, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |
0105 | Mercury | μg/l | 0.012 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | |
0106 | Cadmium, Dissolved | μg/l | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | < 0.01 | 0.013 | 0.022 | |
0108 | Cadmium | μg/l | 0.013 | 0.043 | < 0.01 | 0.012 | < 0.01 | 0.013 | < 0.01 | 0.014 | 0.028 | |
0111 | Ammoniacal Nitrogen as N | mg/l | < 0.03 | < 0.03 | 0.12 | < 0.03 | < 0.03 | < 0.03 | < 0.03 | 0.046 | 0.041 | < 0.03 |
0116 | Nitrogen, Total Oxidised as N | mg/l | 0.89 | 1.2 | 1 | 0.89 | 0.87 | 0.92 | 0.82 | 1.1 | 0.96 | 0.43 |
0117 | Nitrate as N | mg/l | 0.886 | 1.2 | 0.995 | 0.886 | 0.866 | 0.905 | 0.816 | 1.09 | 0.948 | 0.426 |
0118 | Nitrite as N | mg/l | < 0.004 | < 0.004 | 0.0055 | < 0.004 | < 0.004 | 0.015 | < 0.004 | 0.0082 | 0.012 | < 0.004 |
0119 | Ammonia un-ionised as N | mg/l | < 0.00013 | < 0.00015 | 0.00139 | < 0.00042 | < 0.00021 | < 0.00015 | < 0.00019 | 0.00149 | 0.00047 | < 0.00034 |
0135 | Solids, Suspended at 105 C | mg/l | < 3 | 31 | 3.6 | 3.6 | < 3 | 6.3 | < 3 | < 3 | < 3 | < 3 |
0162 | Alkalinity to pH 4.5 as CaCO3 | mg/l | 30 | 38 | 36 | 17 | ||||||
0172 | Chloride | mg/l | 11 | 11 | 11 | 12 | 12 | 13 | 11 | 13 | 12 | 8.3 |
0180 | Orthophosphate, reactive as P | mg/l | < 0.01 | 0.01 | 0.03 | < 0.01 | < 0.01 | 0.041 | < 0.01 | 0.043 | 0.032 | 0.016 |
0182 | Silica, reactive as SiO2 | mg/l | 4.3 | 6.6 | 6.6 | 5 | 4.7 | 3.5 | 4.9 | 5.5 | 5.6 | 3.8 |
0205 | Sodium, Dissolved | mg/l | 7.7 | 7.4 | 7.4 | 7.8 | 9.9 | 7.1 | 10 | 8.1 | 5.7 | |
0209 | Potassium, Dissolved | mg/l | 1.2 | 1.2 | 0.95 | 1 | 1.7 | 0.89 | 1.4 | 1.2 | 0.73 | |
0301 | Carbon, Organic, Dissolved as C :- {DOC} | mg/l | 2.1 | 1.3 | 1.8 | 2.2 | 1.1 | 2.2 | 1.5 | |||
0348 | Phosphorus, Total as P | mg/l | 0.012 | 0.054 | 0.037 | 0.019 | 0.017 | 0.085 | 0.015 | 0.056 | 0.059 | 0.034 |
0499 | HCH -gamma :- {Lindane} | μg/l | < 0.003 | < 0.003 | < 0.003 | < 0.003 | < 0.003 | < 0.003 | < 0.003 | < 0.003 | ||
0753 | PCB : Total | μg/l | < 0.008 | < 0.008 | < 0.008 | < 0.008 | < 0.008 | < 0.008 | < 0.008 | < 0.008 | < 0.008 | |
2921 | Perfluoro-3-methoxypropanoic acid | μg/l | < 0.0005 | |||||||||
2922 | Perfluoro-3,6-dioxaheptanoic acid | μg/l | < 0.0005 | |||||||||
2942 | 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (B) | μg/l | < 0.001 | |||||||||
2943 | 2-(N-Methylperfluorooctanesulfonamido)acetic acid (B) | μg/l | < 0.002 | |||||||||
2944 | Perfluorohexanesulfonic acid (B) | μg/l | < 0.0005 | |||||||||
2955 | Perfluorotridecanoic acid | μg/l | < 0.005 | |||||||||
2957 | Perfluoropentanesulfonic acid | μg/l | < 0.0005 | |||||||||
2959 | Perfluorooctanesulfonic acid (linear) | μg/l | < 0.0005 | |||||||||
2960 | Perfluorooctanesulfonic acid (branched) | μg/l | < 0.0005 | |||||||||
2961 | Perfluorooctanesulfonamide | μg/l | < 0.001 | |||||||||
2962 | Perfluorooctadecanoic acid | μg/l | < 0.002 | |||||||||
2963 | Perfluorononanesulfonic acid | μg/l | < 0.0005 | |||||||||
2964 | Perfluorohexanesulfonic acid (L) | μg/l | < 0.0005 | |||||||||
2965 | Perfluorohexanesulfonamide | μg/l | < 0.0005 | |||||||||
2967 | Perfluoroheptanesulfonic acid | μg/l | < 0.0005 | |||||||||
2969 | Perfluorodecanesulfonic acid | μg/l | < 0.002 | |||||||||
2970 | Perfluorobutylsulfonamide (perfluorobutane sulfonamide) | μg/l | < 0.0005 | |||||||||
2972 | Perfluorobutanesulfonic acid | μg/l | < 0.001 | |||||||||
2973 | Perfluoro-4-ethylcyclohexanesulfonic acid | μg/l | < 0.0005 | |||||||||
2975 | N-methylperfluorooctanesulfonamide | μg/l | < 0.002 | |||||||||
2977 | N-Ethylperfluorooctanesulfonamide | μg/l | < 0.002 | |||||||||
2981 | Hexafluoropropylene oxide dimer acid (Gen X) | μg/l | < 0.001 | |||||||||
2982 | 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid | μg/l | < 0.0005 | |||||||||
2983 | 8:2 Fluorotelomer sulfonic acid | μg/l | < 0.001 | |||||||||
2984 | 6:2 Fluorotelomer sulfonic acid | μg/l | 0.0015 | |||||||||
2987 | 4:2 Fluorotelomer sulfonic acid | μg/l | < 0.0005 | |||||||||
2988 | 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | μg/l | < 0.005 | |||||||||
2990 | 2-(N-Methylperfluorooctanesulfonamido)acetic acid (L) | μg/l | < 0.0005 | |||||||||
2991 | 2-(N-Ethylperfluorooctanesulfonamido)acetic acid (L) | μg/l | < 0.001 | |||||||||
2993 | 11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (F-53B Minor) | μg/l | < 0.001 | |||||||||
2995 | Perfluorobutanoic acid | μg/l | < 0.001 | |||||||||
3408 | Zinc, Dissolved | μg/l | 4.9 | 2.1 | 2.5 | 1.9 | 3.9 | 2.1 | 1.8 | 2.7 | 4.9 | |
3409 | Chromium, Dissolved | μg/l | < 0.5 | < 0.5 | < 0.5 | 0.58 | 1.4 | < 0.5 | 1.5 | 1.6 | 0.54 | |
3410 | Nickel, Dissolved | μg/l | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | < 0.5 | |
4994 | GCMS Screen : Target Based multi-residue screening : Semi Quantitative | text | 1 | 1 | ||||||||
6045 | Arsenic, Dissolved | μg/l | 1.3 | 1.5 | 1.8 | 1.3 | 2 | 3 | 1.8 | 4.4 | 4.2 | 2.4 |
6396 | Turbidity | ntu | 2.5 | 1.6 | 1.1 | 2.9 | 1 | 3 | < 1 | 1.1 | < 1 | 1.6 |
6450 | Copper, Dissolved | μg/l | 0.92 | 0.89 | 0.74 | 2.9 | 1.7 | 0.62 | 0.96 | 1.1 | 1.6 | |
6452 | Copper | μg/l | 1.2 | 2.6 | 1.5 | 0.9 | 0.65 | 2.1 | 0.75 | 1.3 | 1.6 | |
6455 | Zinc | μg/l | 4.1 | 13 | 5.7 | 3.1 | 1.7 | 4.6 | 3.4 | 4.4 | 5.1 | |
6458 | Manganese, Dissolved | μg/l | < 10 | < 10 | < 10 | < 10 | 14 | < 10 | 12 | 15 | 16 | |
6460 | Iron, Dissolved | μg/l | 71 | 70 | 40 | 32 | 41 | 37 | 85 | 140 | 190 | |
7859 | Sulphate, Dissolved as SO4 | mg/l | < 10 | < 10 | < 10 | < 10 | < 10 | < 10 | < 10 | < 10 | < 10 | |
7887 | Chlorophyll : Acetone Extract | μg/l | 0.57 | 15 | 2.6 | < 1 | 1.3 | 7.8 | 1.1 | 2 | 1.2 | 1.6 |
8887 | Perfluoropentanoic acid | μg/l | < 0.001 | |||||||||
8888 | Perfluorohexanoic acid | μg/l | < 0.0005 | |||||||||
8889 | Perfluoroheptanoic acid | μg/l | < 0.001 | |||||||||
8890 | Perfluorooctanoic acid | μg/l | < 0.0005 | |||||||||
8891 | Perfluorononanoic acid | μg/l | < 0.001 | |||||||||
8892 | Perfluorodecanoic acid | μg/l | < 0.002 | |||||||||
8893 | Perfluoroundecanoic acid | μg/l | < 0.002 | |||||||||
8894 | Perfluorododecanoic acid | μg/l | < 0.002 | |||||||||
8895 | Perfluorotetradecanoic acid | μg/l | < 0.006 | |||||||||
9447 | Boron, Dissolved | μg/l | < 100 | < 100 | < 100 | < 100 | < 100 | < 100 | < 100 | < 100 | < 100 | |
9686 | Nitrogen, Total as N | mg/l | 1.1 | 1.5 | 1.3 | 1 | 0.88 | 1.4 | 0.97 | 1.4 | 1.3 | 0.91 |
9768 | PCB - 028 | μg/l | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
9769 | PCB - 052 | μg/l | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
9770 | PCB - 101 | μg/l | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
9771 | PCB - 118 | μg/l | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
9772 | PCB - 138 | μg/l | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
9773 | PCB - 153 | μg/l | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |
9774 | PCB - 180 | μg/l | < 0.002 | < 0.002 | < 0.002 | < 0.002 | < 0.002 | < 0.002 | < 0.002 | < 0.002 | < 0.002 | |
9901 | Oxygen, Dissolved, % Saturation | % | 98.2 | 100 | 88.7 | 99.5 | 97.9 | 89.1 | 96.8 | 90.5 | 94.4 | 92.3 |
9924 | Oxygen, Dissolved as O2 | mg/l | 11.4 | 12.9 | 10.4 | 11.6 | 11 | 9.26 | 11 | 8.56 | 8.84 | 9.26 |