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sampling point
River Tone At Tone Bridge

Description TONE BRIDGE
Sampling point ID SW-E1004400
Type Freshwater – Rivers
Status open
Location easting northing: 312620 121903
lat lon: 50.989867, -3.246348
Area Wessex
Sub-Area West Wessex
Summary 80 samples taken between 2020 and 2006

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.

20 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOROPHYLL
  • COD as O2
  • Chloride Ion
  • Cond @ 25C
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 80 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Jul 2019 to 10 Mar 2020

NotationDeterminandUnits 4 Jul
2019
08:56
19 Jul
2019
07:20
6 Aug
2019
12:14
9 Sep
2019
14:59
8 Oct
2019
14:47
13 Nov
2019
12:17
2 Dec
2019
10:55
7 Jan
2020
10:44
5 Feb
2020
12:54
10 Mar
2020
10:13
0076Temperature of Water°C13.714.81612.512.98.55.98.47.39.7
0077Conductivity at 25 Cμs/cm414456421316254289354349269
0085BOD : 5 Day ATUmg/l< 1< 1< 11.41.31.2111.11.46.1
0092Chemical Oxygen Demand :- {COD}mg/l< 10< 101213< 10< 1017< 1036
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.030.038< 0.030.052< 0.030.0560.030.95
0116Nitrogen, Total Oxidised as Nmg/l4.94.754.53.13.113.54.44.22.5
0117Nitrate as Nmg/l4.884.984.493.093.13.494.384.182.48
0118Nitrite as Nmg/l0.0170.0160.0140.00880.01040.010.0170.0160.018
0135Solids, Suspended at 105 Cmg/l4.33.671118.110151249
0172Chloridemg/l192020191614.716171716
0180Orthophosphate, reactive as Pmg/l0.0690.070.0790.0750.0630.0550.0440.0640.0620.28
0182Silica, reactive as SiO2mg/l5.86.35.86.35.335.86.55.84.5
6396Turbidityntu3.8
7887Chlorophyll : Acetone Extractμg/l2.22.56.24.14.92.92.81.615
9901Oxygen, Dissolved, % Saturation%95.291.696.5100.899.495.710196.5105.698.1
9924Oxygen, Dissolved as O2mg/l9.859.510.710.511.212.611.312.711.1

Samples from 4 Oct 2018 to 4 Jun 2019

NotationDeterminandUnits 4 Oct
2018
09:04
6 Nov
2018
11:14
13 Nov
2018
11:20
10 Dec
2018
08:40
14 Jan
2019
08:44
22 Feb
2019
14:46
26 Mar
2019
09:07
24 Apr
2019
08:56
10 May
2019
08:45
4 Jun
2019
08:37
0076Temperature of Water°C12.510.78.28.19.27.612.6912.9
0077Conductivity at 25 Cμs/cm478431274412383362440384448
0085BOD : 5 Day ATUmg/l1.251.36< 1< 11.11.231.331.71< 1
0092Chemical Oxygen Demand :- {COD}mg/l< 101022< 10< 10< 10111810
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.0350.0390.036
0116Nitrogen, Total Oxidised as Nmg/l5.053.884.445.074.64.384.783.864.8
0117Nitrate as Nmg/l5.033.864.435.054.594.374.763.844.78
0118Nitrite as Nmg/l0.01530.02050.00890.01640.01090.00870.020.01850.024
0135Solids, Suspended at 105 Cmg/l< 33.43264.18< 36.255.478.185.9
0172Chloridemg/l21.123.616.518.618.317.119.618.420
0180Orthophosphate, reactive as Pmg/l0.0730.0690.0560.0610.0530.0390.0310.0640.078
0182Silica, reactive as SiO2mg/l6.676.785.96.635.694.962.575.465.9
7887Chlorophyll : Acetone Extractμg/l1.42.53.51.40.62.7205.73.6
9901Oxygen, Dissolved, % Saturation%9089.694.897.4101.49892.498.597.1
9924Oxygen, Dissolved as O2mg/l9.579.9311.211.511.611.79.811.410.2