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sampling point
River Avon Lower Twyning Green

Description RIVER AVON LOWER TWYNING GREEN
Sampling point ID MD-04769220
Type Freshwater – Rivers
Status open
Location easting northing: 390460 236520
lat lon: 52.027003, -2.140448
Area Shropshire Herefordshire Worcestershire And Gloucestershire
Sub-Area Avon & Lower Severn (4)
Summary 224 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.

46 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • Ca Filtered
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Fe- Filt
  • Hardness
  • Iron - as Fe
  • Lead - as Pb
  • Magnesium-Mg
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Phenol Odour
  • Temp Water
  • TriBT Cation
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • Zn- Filtered
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 224 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Aug 2023 to 21 Aug 2024

NotationDeterminandUnits 7 Aug
2023
13:06
5 Sep
2023
10:52
17 Oct
2023
09:50
20 Nov
2023
11:45
13 Dec
2023
08:46
15 Jan
2024
09:43
18 Apr
2024
11:55
15 May
2024
13:31
17 Jun
2024
08:25
21 Aug
2024
09:17
0061pH7.767.867.657.797.88.098.118.228.077.81
0076Temperature of Water°C1818.511.510.27.64.611.618.515.318.7
0077Conductivity at 25 Cμs/cm89810436656815838358219189771038
0085BOD : 5 Day ATUmg/l1.41.1< 1< 2
0111Ammoniacal Nitrogen as Nmg/l0.0480.0670.160.080.0730.130.0690.0340.054< 0.03
0116Nitrogen, Total Oxidised as Nmg/l7.69.78.96.75.587.77.59.28.9
0117Nitrate as Nmg/l7.579.678.836.645.457.937.677.479.178.85
0118Nitrite as Nmg/l0.030.0260.0680.0620.050.0680.0350.030.0350.049
0119Ammonia un-ionised as Nmg/l0.000910.001660.001470.000920.000710.001590.001410.001150.00145< 0.00067
0162Alkalinity to pH 4.5 as CaCO3mg/l180180140210170240220220200190
0180Orthophosphate, reactive as Pmg/l0.330.30.270.170.160.180.160.180.20.28
9901Oxygen, Dissolved, % Saturation%92.49494.994.985.796.5100.6106.999.490.6
9924Oxygen, Dissolved as O2mg/l8.728.7910.310.610.212.410.99.999.938.43

Samples from 8 Jan 2019 to 20 Jul 2023

NotationDeterminandUnits 8 Jan
2019
13:41
3 Apr
2019
15:01
15 Jul
2019
13:44
8 Oct
2019
10:15
9 Jan
2020
09:55
5 Apr
2023
07:13
20 Apr
2023
09:02
17 May
2023
11:44
28 Jun
2023
07:48
20 Jul
2023
10:11
0061pH8.018.828.117.97.917.938.178.057.747.25
0076Temperature of Water°C109.314.520.817.7
0077Conductivity at 25 Cμs/cm694780792781833
0085BOD : 5 Day ATUmg/l1.1< 1
0111Ammoniacal Nitrogen as Nmg/l0.0520.0430.0710.0770.06
0116Nitrogen, Total Oxidised as Nmg/l6.36.77.46.78.8
0117Nitrate as Nmg/l6.276.677.356.668.76
0118Nitrite as Nmg/l0.0340.0320.0460.0450.045
0119Ammonia un-ionised as Nmg/l0.000810.000750.00180.001720.00035
0162Alkalinity to pH 4.5 as CaCO3mg/l200210200160160
0180Orthophosphate, reactive as Pmg/l0.150.140.230.310.27
0235Magnesium, Dissolvedmg/l26.527.9271924
0239Calcium, Dissolvedmg/l12412111089120
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l5.535.535.39.95.3
6460Iron, Dissolvedμg/l< 30< 30< 3057< 30
9901Oxygen, Dissolved, % Saturation%95.496.395.579.192.9
9924Oxygen, Dissolved as O2mg/l10.7119.717.068.83