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sampling point
River Yeo A30 Roadbridge

Description RIVER YEO A30 ROADBRIDGE
Sampling point ID SW-E4003200
Type Freshwater – Rivers
Status open
Location easting northing: 357316 116011
lat lon: 50.941947, -2.608889
Area Wessex
Sub-Area East Wessex
Summary 207 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.

58 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • As - DWt
  • BOD ATU
  • CHLOROPHYLL
  • Calcium - Ca
  • Cd - Dry Wt
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Cr - Dry Wt
  • Cu - Dry Wt
  • Cu Filtered
  • DDE (OP')DWt
  • DDE (PP')DWt
  • DDT (OP')DWt
  • DDT (PP')DWt
  • Dieldrin DWt
  • Dry Matter %
  • Endo-A DW
  • EndslphnBDWt
  • HCH Beta DWt
  • HCHAlpha DWt
  • HCHDelta DWt
  • HCHGamma DWt
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Hg - Dry Wt
  • Magnesium-Mg
  • Mineral Oils
  • N Inorganic
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Ni - Dry Wt
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • PCB 138 DW
  • Pb - Dry Wt
  • Phenol Odour
  • PhenolicOdor
  • Potassium- K
  • Sld Sus@105C
  • TDE (OP')DWt
  • TDE (PP')DWt
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • Zn - Dry Wt
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 207 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 13 Jan 2021 to 17 Jul 2024

NotationDeterminandUnits13 Jan
2021
11:33
9 Feb
2021
12:52
9 Mar
2021
15:30
14 Apr
2021
10:29
14 May
2021
14:39
17 Jun
2021
10:38
27 Jul
2021
11:00
5 Aug
2021
12:58
19 Jun
2024
12:38
17 Jul
2024
09:11
0061pH8.088.238.218.378.18.188.097.968.18.12
0076Temperature of Water°C84.36.47.912.216.818.21615.215.2
0077Conductivity at 25 Cμs/cm638621666668452676632671870622
0085BOD : 5 Day ATUmg/l1.12
0111Ammoniacal Nitrogen as Nmg/l0.340.210.13< 0.030.36< 0.030.0580.0380.0310.036
0116Nitrogen, Total Oxidised as Nmg/l4.14.65.34.935.14.34.14.73.5
0117Nitrate as Nmg/l4.034.565.244.882.965.084.284.084.673.48
0118Nitrite as Nmg/l0.0710.0390.0570.0220.040.0180.0240.0160.0280.017
0119Ammonia un-ionised as Nmg/l0.005360.002520.00182< 0.000470.00771< 0.00090.001920.000980.000830.00096
0162Alkalinity to pH 4.5 as CaCO3mg/l220250260240160240220240260230
0180Orthophosphate, reactive as Pmg/l0.120.110.150.110.290.140.190.20.130.14
9901Oxygen, Dissolved, % Saturation%89.589.299.998.699.394.492.89497.894.5
9924Oxygen, Dissolved as O2mg/l10.611.612.311.710.69.148.739.259.799.46

Samples from 12 Jul 2018 to 10 Dec 2020

NotationDeterminandUnits12 Jul
2018
14:08
15 Oct
2018
12:47
14 Feb
2019
10:03
17 May
2019
11:23
17 Jul
2019
09:13
22 Oct
2019
11:45
16 Jan
2020
13:39
13 Oct
2020
12:08
12 Nov
2020
11:50
10 Dec
2020
10:23
0061pH7.887.958.128.2287.987.948.097.928.06
0076Temperature of Water°C18.512.77.112.216.311.3911117.4
0077Conductivity at 25 Cμs/cm708511615688713598539664497656
0111Ammoniacal Nitrogen as Nmg/l0.0550.0970.0780.040.0480.0330.077< 0.030.140.14
0116Nitrogen, Total Oxidised as Nmg/l4.994.316.414.974.34.53.75.23.14.6
0117Nitrate as Nmg/l4.974.276.374.944.284.473.675.163.044.53
0118Nitrite as Nmg/l0.02140.0430.03820.02850.0180.0310.0310.0370.0610.07
0119Ammonia un-ionised as Nmg/l0.001420.001930.001150.000860.001390.000630.00114< 0.000590.002290.00211
0162Alkalinity to pH 4.5 as CaCO3mg/l230155215229240230210240190240
0180Orthophosphate, reactive as Pmg/l0.2680.2020.1110.1670.360.150.120.210.140.16
9901Oxygen, Dissolved, % Saturation%85.789.195.990.487.890.895.79493.894.1
9924Oxygen, Dissolved as O2mg/l8.019.4311.69.688.599.921110.310.311.3