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sampling point
Western Avon At Upavon

Description WESTERN AVON AT UPAVON
Sampling point ID SW-50210705
Type Freshwater – Rivers
Status open
Location easting northing: 413348 155939
lat lon: 51.302415, -1.809911
Area Wessex
Sub-Area East Wessex
Summary 357 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.

142 determinands have been measured at this site
  • 1,1,1-TCA
  • 12-DCA
  • 2,4-D
  • 2,4-DB
  • 245-T
  • 4-CAA
  • 4-nonPhenol
  • ATRZ-ETHYL
  • ATRZ-ISOPR
  • Aclonifen
  • Action taken
  • Alachlor
  • Alky pH 4.5
  • Ammonia(N)
  • Atrazine
  • B-[a]-pyrene
  • B-[b]-fluora
  • B-[ghi]-pery
  • B-[k]-fluora
  • BOD ATU
  • Benazolin
  • Benzene
  • Bifenox
  • C - Org Filt
  • COD as O2
  • Ca Filtered
  • Calcium - Ca
  • Carbofuran
  • Carbon Tet
  • Cd Filtered
  • Chloroform
  • Chlorophyl-A
  • Chloroprophm
  • Chlorothalnl
  • Chloroxuran
  • Chlortoluron
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Cr Hex Filt
  • Cr Hexavalnt
  • Cr- Filtered
  • Cu BLM Bio
  • Cu Filtered
  • Cyanazine
  • Cyanide - CN
  • Cypermethrin
  • DDE (PP')
  • DDT (OP')
  • DDT (PP)
  • DDT Derived
  • DiClBenzPhWW
  • DiClMe
  • Diazinon
  • Dicamba
  • Dichlorprop
  • Dichlorvos
  • Dimethoate
  • Diuron
  • Fe- Filt
  • Fenoprop
  • Fluoranthene
  • HCH Alpha
  • HCH Beta
  • HCH Delta
  • HCH Gamma
  • HEXACHLORO 1
  • Hardness
  • Hdnss Ca
  • Hdnss Mg
  • Heptachlor
  • Hexachlorbnz
  • ICP-MS Semiq
  • Ind123pyrene
  • Irgarol 1051
  • Isoproturon
  • Linuron
  • MCPA
  • MCPB
  • MR Screen
  • Magnesium-Mg
  • Mecoprop
  • Metoxuron
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • Monuron
  • N Inorganic
  • N Oxidised
  • N-Kjeldahl
  • NH3 un-ion
  • Ni BLM Bio
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • PBDE 100
  • PBDE 153
  • PBDE 154
  • PBDE 28
  • PBDE 47
  • PBDE 99
  • PCB Con 028
  • PCB Con 052
  • PCB Con 101
  • PCB Con 118
  • PCB Con 138
  • PCB Con 153
  • PCB Con 180
  • PCBs
  • PClBenzene
  • Pb BLM Bio
  • Pb Filtered
  • Pendimethaln
  • Phenol Odour
  • Phosphate
  • Potassium- K
  • Prometryn
  • Propachlor
  • Propazine
  • Quinoxyfen
  • SiO2 Rv
  • Simazine
  • Sld Sus@105C
  • TDE (PP)
  • Temp Water
  • Terbutryne
  • TriBT Cation
  • TriPT Cation
  • Triclopyr
  • TurbidityNTU
  • Type of Flow
  • WethPresPrec
  • Zinc - as Zn
  • Zn BLM Bio
  • Zn- Filtered
  • c-Hept Epox
  • pH
  • t-Hept Epox

Sampling results

Displaying the twenty most recent samples. You can see all 357 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 12 Oct 2023 to 31 Jul 2024

NotationDeterminandUnits12 Oct
2023
13:15
1 Nov
2023
13:42
7 Dec
2023
10:41
25 Jan
2024
10:53
7 Feb
2024
10:19
4 Mar
2024
11:14
22 Apr
2024
11:48
13 May
2024
12:09
24 Jun
2024
12:45
31 Jul
2024
11:37
0061pH7.987.817.877.887.917.958.098.168.418.2
0076Temperature of Water°C14.1127.48.68.86.99.314.715.317.5
0077Conductivity at 25 Cμs/cm705632649649576616681681685683
0085BOD : 5 Day ATUmg/l1.11.1< 1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.030.036< 0.03< 0.030.056< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l3.54.66.26.55.466.86.85.34.8
0117Nitrate as Nmg/l3.494.586.186.485.375.986.786.745.294.79
0118Nitrite as Nmg/l0.00530.0170.020.0220.030.0170.0170.0570.0120.007
0119Ammonia un-ionised as Nmg/l< 0.00071< 0.00041< 0.00034< 0.000380.00049< 0.00039< 0.000520.00144< 0.00081< 0.00094
0135Solids, Suspended at 105 Cmg/l< 3157.28.98810
0162Alkalinity to pH 4.5 as CaCO3mg/l290280270270240200280260280280
0180Orthophosphate, reactive as Pmg/l0.210.210.190.170.160.130.180.190.23
9901Oxygen, Dissolved, % Saturation%76.979.38689.887.195.798.397100.393.4
9924Oxygen, Dissolved as O2mg/l7.898.5310.310.510.111.611.39.82108.91

Samples from 15 Nov 2022 to 14 Sep 2023

NotationDeterminandUnits15 Nov
2022
12:18
14 Dec
2022
12:36
27 Jan
2023
10:32
14 Feb
2023
12:31
13 Mar
2023
10:19
26 May
2023
13:51
14 Jun
2023
12:25
4 Jul
2023
12:53
8 Aug
2023
12:16
14 Sep
2023
12:06
0061pH8.028.197.898.188.068.137.928.28.088.1
0076Temperature of Water°C11.83.36.18.19.514.616.413.513.514.8
0077Conductivity at 25 Cμs/cm701716682688668687697689648686
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.032< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l2.94.97.36.556.46.55.36.73.6
0117Nitrate as Nmg/l2.894.897.286.494.996.396.485.296.673.6
0118Nitrite as Nmg/l0.00630.0130.0220.0150.0110.0130.0160.010.035< 0.004
0119Ammonia un-ionised as Nmg/l< 0.00062< 0.000330.00034< 0.00048< 0.00053< 0.00077< 0.00073< 0.00071< 0.00071< 0.00078
0135Solids, Suspended at 105 Cmg/l7.13.19.25.77.94.65.73.355.9
0162Alkalinity to pH 4.5 as CaCO3mg/l260280270280270290270280260280
0180Orthophosphate, reactive as Pmg/l0.160.110.130.120.110.140.180.20.150.25
9901Oxygen, Dissolved, % Saturation%84.697.6105.3102.197.3103.89392.193.786.6
9924Oxygen, Dissolved as O2mg/l9.141313.11211.110.59.089.579.748.75