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sampling point
Tetbury Avon U/S Tetbury Stw

Description TETBURY AVON U/S TETBURY STW
Sampling point ID SW-Z6540112
Type Freshwater – Rivers
Status closed
Location easting northing: 389335 192817
lat lon: 51.634053, -2.155484
Area Wessex
Sub-Area East Wessex
Summary 123 samples taken between 2010 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.

30 determinands have been measured at this site
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Magnesium-Mg
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • Potassium- K
  • Sld Sus@105C
  • Temp Water
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 123 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Oct 2009 to 20 Apr 2010

NotationDeterminandUnits22 Oct
2009
12:36
18 Nov
2009
09:35
26 Nov
2009
10:49
1 Dec
2009
09:34
8 Dec
2009
14:47
15 Dec
2009
11:37
2 Feb
2010
10:05
25 Feb
2010
15:50
7 Apr
2010
14:16
20 Apr
2010
08:52
0061pH7.877.737.557.837.677.888.067.62
0076Temperature of Water°C11.88.97.89.68.98.89.1910.98.77
0077Conductivity at 25 Cμs/cm613520589594605619633609632
0085BOD : 5 Day ATUmg/l< 11.2< 1< 1< 1< 1< 1< 1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l107.549.849.129.049.358.558.888.74
0117Nitrate as Nmg/l107.549.849.129.049.358.558.888.74
0118Nitrite as Nmg/l< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.004< 0.0040.0048
0119Ammonia un-ionised as Nmg/l< 0.00047< 0.00027< 0.00017< 0.00036< 0.00024< 0.00032< 0.00052< 0.00058< 0.00021
0135Solids, Suspended at 105 Cmg/l3.720.53.53.924.726.15< 3< 3< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l240207220242248232254249244
0180Orthophosphate, reactive as Pmg/l0.040.0710.030.0290.0280.0290.032< 0.020.022
0664Visible oil or grease, significant trace: Present/Not found (1/0)pres/nf000000000
6450Copper, Dissolvedμg/l3.32.31.12.51.91.93.47< 12.2
6455Zincμg/l6.919.2< 5< 55.115.6< 5< 5< 5
6841Phenolic Odourpres/nf000000000
7668No flow /No sample0
9901Oxygen, Dissolved, % Saturation%9392.788.39389.8103.4101.3105.893.3
9924Oxygen, Dissolved as O2mg/l1010.710.510.610.41211.611.710.8

Samples from 26 Feb 2009 to 9 Oct 2009

NotationDeterminandUnits26 Feb
2009
11:02
19 Mar
2009
09:49
22 Apr
2009
09:19
15 May
2009
08:45
7 Jul
2009
13:35
24 Jul
2009
13:00
19 Aug
2009
12:20
16 Sep
2009
09:00
22 Sep
2009
09:49
9 Oct
2009
08:45
0061pH7.767.697.97
0076Temperature of Water°C9.0510.115.3
0077Conductivity at 25 Cμs/cm620628612
0085BOD : 5 Day ATUmg/l< 11.1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l9.818.476.73
0117Nitrate as Nmg/l9.818.476.72
0118Nitrite as Nmg/l< 0.004< 0.0040.0055
0119Ammonia un-ionised as Nmg/l< 0.0003< 0.00027< 0.00075
0135Solids, Suspended at 105 Cmg/l< 3< 3< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l246246242
0180Orthophosphate, reactive as Pmg/l0.0220.0560.037
0664Visible oil or grease, significant trace: Present/Not found (1/0)pres/nf000
6450Copper, Dissolvedμg/l< 1< 11.5
6455Zincμg/l< 5< 55.3
6841Phenolic Odourpres/nf000
7668No flow /No sample0000000
9901Oxygen, Dissolved, % Saturation%96.289.393.2
9924Oxygen, Dissolved as O2mg/l11.1109.31