We would welcome your feedback to help us make future improvements.

sampling point
River Torridge At Little America Surface

Description TORRIDGE ESTUARY - LITTLE AMERICA - SURFACE READING
Sampling point ID SW-72910440
Type Saline Water – Estuarine Sites – Non Bathing/Shellfish
Status open
Location easting northing: 245400 125300
lat lon: 51.006251, -4.204945
Area Devon And Cornwall
Sub-Area Ecmas Sampling (Devon And Cornwall)
Summary 146 samples taken between 2024 and 2011

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.

61 determinands have been measured at this site
  • 1,1,1-TCA
  • 4-nonPhenol
  • AmmUnionSal
  • As-Filtered
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • C - Org Filt
  • CHLOROPHYLL
  • Cd Filtered
  • Chloroform
  • Cond @ 20C
  • Cond @ 25C
  • Cr Hex Filt
  • Cr Hexavalnt
  • Cr- Filtered
  • Cu Filtered
  • Cyanide - CN
  • Fe- Filt
  • Fluoranthene
  • HTrlTW
  • Hg Filtered
  • Ind123pyrene
  • MR Screen
  • N Dis Inorg
  • N Oxid Filt
  • NGR Easting
  • NGR Northing
  • NH3 filt N
  • NP3EO
  • NP4EO
  • NPEs
  • Ni- Filtered
  • Nitrate Filt
  • Nitrite Filt
  • NonPhe2EthOx
  • NonPhenEthOx
  • O Diss %sat
  • OP1EO
  • OP2EO
  • OPEs
  • OrthophsFilt
  • Oxygen Diss
  • Pb Filtered
  • Phytoplankto
  • SALinsitu
  • Sample Depth
  • SiO2 Filt
  • Sld Sus@105C
  • Temp Water
  • Time Hi-Tide
  • TriBT Cation
  • TriPT Cation
  • Turbdty in-s
  • TurbidityNTU
  • Vol Filtered
  • Water Depth
  • Zn- Filtered
  • pH
  • ptOctylPheno

Sampling results

Displaying the twenty most recent samples. You can see all 146 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 3 Nov 2023 to 24 Jun 2024

NotationDeterminandUnits 3 Nov
2023
09:06
2 Dec
2023
08:31
17 Jan
2024
10:56
31 Jan
2024
09:44
1 Mar
2024
09:56
13 Apr
2024
11:05
13 Apr
2024
11:07
12 May
2024
09:37
12 May
2024
09:40
24 Jun
2024
08:48
0004Time of high tidehh.mm8.498.29108.498.529.399.399.199.198.11
0006Sample Depth below surfacem0.20.20.20.20.20.22.270.24.975.85
0052Lead, Dissolvedμg/l0.30.072< 0.040.0630.23
0076Temperature of Water°C10.44.77.287.912.312.314.714.517.1
0103Mercury, Dissolvedμg/l0.02< 0.01< 0.01< 0.01< 0.01
0106Cadmium, Dissolvedμg/l< 0.03< 0.03< 0.03< 0.03< 0.03
32681,1,1-Trichloroethaneμg/l< 0.1< 0.1
3408Zinc, Dissolvedμg/l3.40.95
3410Nickel, Dissolvedμg/l2.81.50.961.11.7
3428Water Depthm4.94.34.64.353.83.8555.9
3976Turbidity : In Situftu84.69.211.310.2176.415.210.83.435.7
4574Phytoplankton1111111
4865Volume of Sample Filteredml06500006701050
4925Nitrogen, Dissolved Inorganic : as Nmg/l2.362.841.452.651.932.030.341
5732Triphenyl Tin as Cationμg/l< 0.0002< 0.0002
6019NGR : Eastingngr245380245381245394245373245379245395245402245387245389245378
6020NGR : Northingngr125309125308125314125341125301125309125350125322125315125295
6045Arsenic, Dissolvedμg/l< 1< 1
6450Copper, Dissolvedμg/l20.67
6460Iron, Dissolvedμg/l310< 100
6485Nitrite, Filtered as Nmg/l0.00940.0120.00870.0140.020.0150.0049
7342Time of sampling relative to previous high waterhh.mm0.170.580.560.551.041.261.280.180.210.37
7608Salinity : In Situppt0.085.5928.0614.960.17.979.8827.942933.73
7887Chlorophyll : Acetone Extractμg/l7< 0.80.50.986.92.14.4
8944Tributyl Tin as Cationμg/l< 0.0002< 0.0002< 0.0002< 0.0002< 0.0002
9853Nitrate, Filtered as Nmg/l2.292.791.392.591.781.990.325
9856Orthophosphate, Filtered as Pmg/l0.0430.0290.0280.0330.0450.0330.0076
9857Silicate, Filtered as SiO2mg/l4.96.23.25.34.13.90.68
9901Oxygen, Dissolved, % Saturation%91.592.995.894.39594.995.2106.6108.295.2
9924Oxygen, Dissolved as O2mg/l10.211.69.710.211.39.699.619.159.277.51
9943Nitrogen, Total Oxidised, Filtered as Nmg/l2.32.81.42.61.820.33
9993Ammoniacal Nitrogen, Filtered as Nmg/l0.0570.0370.0450.0520.130.0340.011

Samples from 29 Nov 2022 to 6 Oct 2023

NotationDeterminandUnits29 Nov
2022
10:36
16 Jan
2023
13:09
3 Feb
2023
15:30
18 Mar
2023
14:17
25 Apr
2023
10:57
9 Jun
2023
11:10
7 Jul
2023
10:41
19 Aug
2023
09:30
19 Sep
2023
09:14
6 Oct
2023
09:59
0004Time of high tidehh.mm9.2712.1416.415.339.3810.369.348.178.511.05
0006Sample Depth below surfacem0.20.20.20.20.20.20.20.20.20.2
0052Lead, Dissolvedμg/l0.0670.0450.0420.0590.096
0076Temperature of Water°C9.56.89.11110.17516.817.718.416.815.1
0103Mercury, Dissolvedμg/l< 0.01< 0.01< 0.01< 0.01< 0.01< 0.01
0106Cadmium, Dissolvedμg/l< 0.03< 0.03< 0.03< 0.03< 0.03
32681,1,1-Trichloroethaneμg/l< 0.1
3408Zinc, Dissolvedμg/l0.88
3410Nickel, Dissolvedμg/l1.30.510.50.941.7
3428Water Depthm4.653.54.84.74.34.85.263.1
3976Turbidity : In Situftu24.21583726.711.11.69.97.58.613.4
4574Phytoplankton1111111111
4865Volume of Sample Filteredml00550000105000
4925Nitrogen, Dissolved Inorganic : as Nmg/l3.952.082.062.341.660.0490.0370.4690.3961.37
5732Triphenyl Tin as Cationμg/l< 0.0002
6019NGR : Eastingngr245376245369245376245368245374245396245379245378245380245382
6020NGR : Northingngr125341125309125319125315125341125336125324125330125322125337
6045Arsenic, Dissolvedμg/l1.5
6450Copper, Dissolvedμg/l0.7
6460Iron, Dissolvedμg/l< 100
6485Nitrite, Filtered as Nmg/l0.0160.0080.0160.0110.0110.00210.00160.00650.0080.014
7342Time of sampling relative to previous high waterhh.mm1.090.5511.111.261.190.341.071.130.2411.27
7608Salinity : In Situppt0.330.0613.440.8715.63132.9633.9328.6828.0615.03
7887Chlorophyll : Acetone Extractμg/l2.72.42.85.56.65.4243.42.8
8944Tributyl Tin as Cationμg/l< 0.0002< 0.0002< 0.0002< 0.0002< 0.0002< 0.0002
9853Nitrate, Filtered as Nmg/l3.881.991.982.291.590.03990.02840.4440.3421.29
9856Orthophosphate, Filtered as Pmg/l0.0350.030.0330.0260.0260.00910.0130.0180.0210.037
9857Silicate, Filtered as SiO2mg/l62.84.143.70.270.211.31.24.2
9901Oxygen, Dissolved, % Saturation%96101.4102.399.696.0697.699.298.793.594
9924Oxygen, Dissolved as O2mg/l10.912.310.910.99.847.787.727.847.698.67
9943Nitrogen, Total Oxidised, Filtered as Nmg/l3.9222.31.60.0420.030.450.351.3
9993Ammoniacal Nitrogen, Filtered as Nmg/l0.0490.080.0570.0350.055< 0.007< 0.0070.0190.0460.068