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sampling point
Astley Brook At Weir

Description ASTLEY BROOK AT WEIR
Sampling point ID NW-88002266
Type Freshwater – Rivers
Status open
Location easting northing: 370890 411321
lat lon: 53.597631, -2.441314
Area Greater Manchester Merseyside And Cheshire
Sub-Area Manchester
Summary 143 samples taken between 2017 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.

49 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Cadmium - Cd
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Hardness
  • Iron - as Fe
  • Lead - as Pb
  • Magnesium-Mg
  • Manganse-Mn
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OMR Smpl Num
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Phenol Odour
  • PhenolicOdor
  • Potassium- K
  • SiO2 Rv
  • Sld NV@500C
  • Sld Sus@105C
  • Sodium - Na
  • Sulphate SO4
  • Temp Water
  • Visit-NoBott
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • Zn- Filtered
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 143 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 25 Nov 2014 to 21 Mar 2017

NotationDeterminandUnits25 Nov
2014
15:07
6 Jan
2015
11:30
23 Apr
2015
12:27
15 Jul
2015
12:18
15 Oct
2015
14:05
2 Feb
2016
14:19
27 Apr
2016
14:42
11 Aug
2016
15:13
15 Nov
2016
12:06
21 Mar
2017
10:33
0061pH7.87.98.38.347.987.659.077.947.797.71
0076Temperature of Water°C6.26.212.613.3967.613.8105.9
0077Conductivity at 25 Cμs/cm19327331020323317024976114130
0111Ammoniacal Nitrogen as Nmg/l< 0.030.0870.071< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.034
0116Nitrogen, Total Oxidised as Nmg/l0.760.810.420.490.490.650.32< 0.20.520.75
0117Nitrate as Nmg/l0.7530.7990.4160.4860.4860.6460.316< 0.1960.5160.746
0118Nitrite as Nmg/l0.00660.01090.0045< 0.004< 0.004< 0.0040.0043< 0.004< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.000260.000960.00157< 0.0007< 0.00049< 0.00018< 0.00046< 0.00063< 0.000340.00024
0162Alkalinity to pH 4.5 as CaCO3mg/l48477552674163263333
0180Orthophosphate, reactive as Pmg/l0.0240.0360.010.0360.0250.019< 0.010.0370.0390.027
9901Oxygen, Dissolved, % Saturation%95102106.792.597.399.7113.8101.396.2112.6
9924Oxygen, Dissolved as O2mg/l11.812.611.39.6611.212.413.610.510.814

Samples from 11 Feb 2010 to 18 Sep 2014

NotationDeterminandUnits11 Feb
2010
12:35
1 Mar
2010
11:30
20 Apr
2010
11:10
5 Feb
2013
14:00
1 May
2013
10:54
21 Aug
2013
10:22
6 Nov
2013
14:18
11 Mar
2014
15:20
10 Jun
2014
15:07
18 Sep
2014
08:51
0061pH7.688.27.78.887.89.87.88.7
0076Temperature of Water°C1.43.47.32.58.313.38.57.314.513.8
0077Conductivity at 25 Cμs/cm235107252647274226163227172267
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l0.910.910.560.43< 0.20.510.520.580.360.59
0117Nitrate as Nmg/l0.9050.9060.5560.426< 0.1960.5060.5160.5760.3560.586
0118Nitrite as Nmg/l0.0047< 0.004< 0.004< 0.004< 0.004< 0.004< 0.0040.0043< 0.004< 0.004
0119Ammonia un-ionised as Nmg/l< 0.00012< 0.00034< 0.00045< 0.00016< 0.00048< 0.0007< 0.00031< 0.00045< 0.00048< 0.00072
0135Solids, Suspended at 105 Cmg/l< 33.08< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l50376448705837665078
0180Orthophosphate, reactive as Pmg/l0.028< 0.020.036< 0.02< 0.020.0340.0290.0280.0310.029
0664Visible oil or grease, significant trace: Present/Not found (1/0)pres/nf000
6450Copper, Dissolvedμg/l1.641.921.9
6455Zincμg/l5.2< 5< 5
6841Phenolic Odourpres/nf000
9901Oxygen, Dissolved, % Saturation%1081061051041191001021029799
9924Oxygen, Dissolved as O2mg/l15.214.112.614.21410.411.912.39.8610.2