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sampling point
River Plym At Cattewater

Description PLYM ESTUARY - CATTEWATER
Sampling point ID SW-81110105
Type Saline Water – Estuarine Sites – Non Bathing/Shellfish
Status open
Location easting northing: 249000 53400
lat lon: 50.361085, -4.12428
Area Devon And Cornwall
Sub-Area Ecmas Sampling (Devon And Cornwall)
Summary 63 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.

52 determinands have been measured at this site
  • 1,1,1-TCA
  • 1,2,3-TCB
  • 1,2,4-TCB
  • 1,3,5-TCB
  • 12-DCA
  • Action taken
  • Aldrin
  • CHLOROPHYLL
  • Carbon Tet
  • Cd Filtered
  • Chloroform
  • DDE (OP')
  • DDE (PP')
  • DDT (OP')
  • DDT (PP)
  • DDT Derived
  • Dieldrin
  • Endrin
  • HCH Alpha
  • HCH Beta
  • HCH Gamma
  • HCHs ABGDE
  • HEXACHLORO 1
  • HTrlTW
  • Hexachlorbnz
  • Hg Filtered
  • Isodrin
  • N Dis Inorg
  • N Oxid Filt
  • NGR Easting
  • NGR Northing
  • NH3 filt N
  • Nitrate Filt
  • Nitrite Filt
  • O Diss %sat
  • OrthophsFilt
  • Oxygen Diss
  • Pentachlrphl
  • SALinsitu
  • Sample Depth
  • SiO2 Filt
  • TCB Tot
  • TDE (PP)
  • Temp Water
  • TetClEthene
  • Time Hi-Tide
  • Tot Drins(4)
  • Tot HCHs ABG
  • Trichloroeth
  • Turbdty in-s
  • Vol Filtered
  • Water Depth

Sampling results

Displaying the twenty most recent samples. You can see all 63 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Jun 2023 to 3 Mar 2024

NotationDeterminandUnits11 Jun
2023
11:03		 6 Jul
2023
10:01		 4 Aug
2023
09:40		 4 Sep
2023
10:42		 2 Oct
2023
10:47		 6 Nov
2023
11:37		 6 Dec
2023
12:26		 5 Jan
2024
11:09		30 Jan
2024
09:59		 3 Mar
2024
11:27
0004Time of high tidehh.mm12.458.558.439.48.3111.0111.3811.338.219.51
0006Sample Depth below surfacem0.20.20.20.20.20.20.20.20.20.2
0076Temperature of Water°C16.315.915.917.31712.710.810.89.59.6
3428Water Depthm6.477.86.46.46.66.36.76.46
3976Turbidity : In Situftu1.835.7138.63.64.62.85.93.83.6
4865Volume of Sample Filteredml99000000084001070
4925Nitrogen, Dissolved Inorganic : as Nmg/l0.1530.160.2330.120.4611.350.5040.7390.5641.32
6019NGR : Eastingngr248976248979248989248989249011248998249006248998249005249003
6020NGR : Northingngr53411534225341353420534005341553405534025339953398
6485Nitrite, Filtered as Nmg/l0.00290.00380.00640.00490.00840.0140.00590.00860.00550.016
7342Time of sampling relative to previous high waterhh.mm11.091.060.571.022.160.360.4811.541.381.36
7608Salinity : In Situppt33.833.6432.5234.0232.2621.5929.8727.8428.6127.21
7887Chlorophyll : Acetone Extractμg/l1.52.72.11.41.80.60.58< 0.6< 0.5< 0.5
9853Nitrate, Filtered as Nmg/l0.1270.1260.1640.07510.3821.190.4440.6310.5150.874
9856Orthophosphate, Filtered as Pmg/l0.0320.030.0270.0180.0460.060.0330.0340.0430.076
9857Silicate, Filtered as SiO2mg/l0.280.220.510.311.231.11.51.22.2
9901Oxygen, Dissolved, % Saturation%9497.684.787.586.289.395.188.793.793.7
9924Oxygen, Dissolved as O2mg/l7.527.886.896.866.878.338.768.298.979.03
9943Nitrogen, Total Oxidised, Filtered as Nmg/l0.130.130.170.080.391.20.450.640.520.89
9993Ammoniacal Nitrogen, Filtered as Nmg/l0.0230.030.0630.040.0710.150.0540.0990.0440.43

Samples from 12 Aug 2010 to 9 May 2023

NotationDeterminandUnits12 Aug
2010
13:23		 1 Nov
2010
12:19		 4 Mar
2011
10:11		17 May
2011
13:33		29 Sep
2011
10:34		 8 Nov
2011
11:00		 4 May
2012
10:59		 5 Jul
2012
11:55		16 Apr
2023
12:19		 9 May
2023
12:09
0004Time of high tidehh.mm16.049.08
0006Sample Depth below surfacem0.20.2
0076Temperature of Water°C11.04812.9
0103Mercury, Dissolvedμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
0106Cadmium, Dissolvedμg/l< 0.04< 0.04< 0.04< 0.04< 0.04< 0.04< 0.04< 0.04
0483Aldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0487HCH -alphaμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0491HCH -betaμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0499HCH -gamma :- {Lindane}μg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0511Dieldrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.002< 0.002< 0.002< 0.002
0539DDT -opμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0551DDE -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
0555DDT -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.002< 0.002< 0.002< 0.002
0559TDE -ppμg/l< 0.001< 0.001< 0.001< 0.001< 0.002< 0.002< 0.002< 0.002
0562Endrinμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
0575DDT : Sum of componentsμg/l< 0.006< 0.006< 0.006< 0.006< 0.008< 0.008< 0.008< 0.008
0576Hexachlorobenzeneμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
1049Carbon tetrachloride :- {Tetrachloromethane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
1085Pentachlorophenolμg/l< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02< 0.02
32721,2-Dichloroethaneμg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3328Tetrachloroethylene :- {Perchloroethylene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3334Trichloroethylene :- {Trichloroethene}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3373Chloroform :- {Trichloromethane}μg/l< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1< 0.1
3428Water Depthm6.35
3976Turbidity : In Situftu410.9
4865Volume of Sample Filteredml1050
4925Nitrogen, Dissolved Inorganic : as Nmg/l1.091.24
6019NGR : Eastingngr248997248994
6020NGR : Northingngr5342053393
6485Nitrite, Filtered as Nmg/l0.00660.015
6648Hexachlorobutadieneμg/l< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003< 0.003
7081Trichlorobenzene : Total (123-, 124-, 135-)μg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
7202Drins : Total (Aldrin, Dieldrin, Endrin, Isodrin)μg/l< 0.006< 0.006< 0.006< 0.006< 0.007< 0.007< 0.007< 0.007
7216HCH : Total (Alpha, Beta, Gamma)μg/l< 0.009< 0.009< 0.009< 0.009< 0.009< 0.009< 0.009< 0.009
7342Time of sampling relative to previous high waterhh.mm9.053.01
7608Salinity : In Situppt29.22820.88
7887Chlorophyll : Acetone Extractμg/l< 0.5
90501,2,3-Trichlorobenzeneμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
90511,2,4-Trichlorobenzeneμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
90521,3,5-Trichlorobenzeneμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
9494Isodrinμg/l< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001< 0.001
9853Nitrate, Filtered as Nmg/l0.9930.745
9856Orthophosphate, Filtered as Pmg/l0.0610.12
9857Silicate, Filtered as SiO2mg/l22
9901Oxygen, Dissolved, % Saturation%101.5593.9
9924Oxygen, Dissolved as O2mg/l9.358.76
9943Nitrogen, Total Oxidised, Filtered as Nmg/l10.76
9993Ammoniacal Nitrogen, Filtered as Nmg/l0.0880.48