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sampling point
Bollin At Hall Lane (Gurnett) Bridge

Description RIVER BOLLIN AT HALL LANE (GURNETT) BRIDGE UPSTREAM OF MACCLESFIELD CANAL
Sampling point ID NW-88002524
Type Freshwater – Rivers
Status closed
Location easting northing: 392681 371631
lat lon: 53.241641, -2.11112
Area Greater Manchester Merseyside And Cheshire
Sub-Area Manchester
Summary 181 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.

32 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • Hardness
  • Magnesium-Mg
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • OMR Smpl Num
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • PhenolicOdor
  • Sld NV@500C
  • Sld Sus@105C
  • Temp Water
  • Weth-Visibty
  • Weth7Dy-Prec
  • Weth7Dy-Temp
  • Weth7Dy-Vsy
  • WethPresPrec
  • WethPresTemp
  • Zinc - as Zn
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 181 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 13 Mar 2015 to 14 Feb 2017

NotationDeterminandUnits13 Mar
2015
14:58
22 Jun
2015
13:38
27 Jul
2015
13:25
25 Sep
2015
12:35
25 Nov
2015
14:06
13 Jan
2016
13:39
1 Apr
2016
12:39
14 Jul
2016
13:02
12 Oct
2016
13:56
14 Feb
2017
14:07
0061pH7.87.958.147.867.727.947.948.087.97
0076Temperature of Water°C5.412.111.585.66.814.610.94.9
0077Conductivity at 25 Cμs/cm294276301215188221194287250
0111Ammoniacal Nitrogen as Nmg/l0.072< 0.03< 0.030.0420.0360.045< 0.03< 0.030.044
0116Nitrogen, Total Oxidised as Nmg/l1.471.170.811.651.831.641.011.051.76
0117Nitrate as Nmg/l1.461.150.8051.641.821.6311.041.75
0118Nitrite as Nmg/l0.01080.01690.00490.00670.0070.00580.00730.01490.0077
0119Ammonia un-ionised as Nmg/l0.00059< 0.000610.000480.000250.00057< 0.00067< 0.000580.00052
0162Alkalinity to pH 4.5 as CaCO3mg/l579497543854559569
0180Orthophosphate, reactive as Pmg/l0.0330.0410.0430.0320.0310.0170.0190.0370.022
9901Oxygen, Dissolved, % Saturation%9797.498.6100.9100.2101.397.996.799.8
9924Oxygen, Dissolved as O2mg/l12.210.410.711.912.612.39.9310.712.8

Samples from 3 Jul 2013 to 11 Nov 2014

NotationDeterminandUnits 3 Jul
2013
11:01
9 Aug
2013
11:47
24 Sep
2013
10:21
17 Oct
2013
14:35
14 Nov
2013
13:30
26 Nov
2013
10:42
21 Feb
2014
11:11
8 May
2014
15:58
6 Aug
2014
13:21
11 Nov
2014
10:55
0061pH88.187.97.887.888.18.1
0076Temperature of Water°C1314.812.811.17.85.25.212.216.39.5
0077Conductivity at 25 Cμs/cm279245221286301250
0085BOD : 5 Day ATUmg/l2.111.1
0111Ammoniacal Nitrogen as Nmg/l0.18< 0.03< 0.03< 0.030.0420.1320.047< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l1.690.911.861.280.881.49
0117Nitrate as Nmg/l1.660.8971.851.260.8741.48
0118Nitrite as Nmg/l0.03020.00540.00580.01290.0110.01450.00820.01750.00590.0089
0119Ammonia un-ionised as Nmg/l0.00409< 0.00078< 0.00067< 0.000470.000410.001690.00038< 0.00064< 0.00087< 0.00053
0135Solids, Suspended at 105 Cmg/l9.653.02< 35.253.98< 3
0162Alkalinity to pH 4.5 as CaCO3mg/l837753869672
0180Orthophosphate, reactive as Pmg/l0.0440.0320.1850.0250.050.02
0664Visible oil or grease, significant trace: Present/Not found (1/0)pres/nf000000
6450Copper, Dissolvedμg/l2.841.691.62.642.31.42
6455Zincμg/l9.01< 5< 5< 56.16< 5
6841Phenolic Odourpres/nf000000
9901Oxygen, Dissolved, % Saturation%98991011019891.1101989897
9924Oxygen, Dissolved as O2mg/l10.31010.711.111.611.612.810.59.5911.1