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sampling point
Marley Gap Bk.Trib.Ouse U/S St.Ives Stw

Description MARLEY GAP BK.TRIB.OUSE U/S ST.IVES STW
Sampling point ID AN-26M12
Type Freshwater – Rivers
Status open
Location easting northing: 531754 273516
lat lon: 52.343892, -0.067327
Area Cambridgeshire And Bedfordshire
Sub-Area Brampton Team Sub Area
Summary 185 samples taken between 2023 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
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Cadmium - Cd
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • Lead - as Pb
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • O Diss% Satn
  • O Dissolved
  • Orthophospht
  • Oxygen Diss
  • Temp Water
  • TriBT Cation
  • Turbidity
  • TurbidityNTU
  • Zinc - as Zn
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 185 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 8 Dec 2016 to 20 Nov 2023

NotationDeterminandUnits 8 Dec
2016
11:05
24 Jan
2017
10:54
3 Apr
2023
13:04
18 May
2023
14:20
19 Jun
2023
10:12
17 Jul
2023
11:58
7 Aug
2023
11:09
18 Sep
2023
10:09
24 Oct
2023
09:28
20 Nov
2023
10:01
0061pH7.788.157.257.617.467.427.447.777.5
0076Temperature of Water°C8.12.616.520.218.618.119.614.812.5
0077Conductivity at 25 Cμs/cm8891070112695610289568869931028
0085BOD : 5 Day ATUmg/l< 32
0111Ammoniacal Nitrogen as Nmg/l0.0320.0621.50.310.630.780.460.160.22
0116Nitrogen, Total Oxidised as Nmg/l2.229.4535303125252030
0117Nitrate as Nmg/l2.29.4234.729.930.924.9252029.9
0118Nitrite as Nmg/l0.02010.03380.260.150.120.120.0440.0210.057
0119Ammonia un-ionised as Nmg/l0.000310.000660.008010.004940.006350.006910.004770.002470.00155
0162Alkalinity to pH 4.5 as CaCO3mg/l21022813010012012097160130
0180Orthophosphate, reactive as Pmg/l0.2160.0780.110.190.130.0740.180.0350.04
8944Tributyl Tin as Cationμg/l< 0.0005< 0.0005< 0.0005
9901Oxygen, Dissolved, % Saturation%60.992.499.8100.710098.2100.9107.8101.6
9924Oxygen, Dissolved as O2mg/l7.1812.69.729.19.339.259.2210.910.8

Samples from 1 Jul 2014 to 7 Oct 2016

NotationDeterminandUnits 1 Jul
2014
11:40
1 Aug
2014
14:24
3 Nov
2014
12:20
3 Mar
2015
10:41
2 Jun
2015
11:44
8 Sep
2015
15:21
23 Nov
2015
12:32
7 Jan
2016
10:37
6 Apr
2016
10:46
7 Oct
2016
10:46
0050Leadμg/l< 2
0061pH7.847.38.058.187.87.917.588.77.537.57
0076Temperature of Water°C1420.7144.312.512.59.2911.311.3
0077Conductivity at 25 Cμs/cm7221051100497780970210785641071918
0085BOD : 5 Day ATUmg/l< 1
0108Cadmiumμg/l< 0.1
0111Ammoniacal Nitrogen as Nmg/l0.048< 0.03< 0.030.2190.079< 0.031.020.2780.197< 0.03
0116Nitrogen, Total Oxidised as Nmg/l3.4631.828.27.542.720.5330.21125.5< 0.2
0117Nitrate as Nmg/l31.828.27.522.650.52430.11125.4< 0.196
0118Nitrite as Nmg/l0.02640.02690.01590.07010.00630.09570.03420.0511< 0.004
0119Ammonia un-ionised as Nmg/l0.00082< 0.00025< 0.000730.002630.0011< 0.000540.006740.004710.00136< 0.00023
0162Alkalinity to pH 4.5 as CaCO3mg/l72119277181172112128138186
0172Chloridemg/l32.3
0180Orthophosphate, reactive as Pmg/l0.110.1830.0990.0640.3460.1980.1090.1040.3970.659
3164Chromiumμg/l0.681
6396Turbidityntu6.6
6450Copper, Dissolvedμg/l2.17
6452Copperμg/l2.06
6455Zincμg/l< 5
6462Nickelμg/l1.88
9901Oxygen, Dissolved, % Saturation%87.2104.182.798.382.784.992.689.292.762.3
9924Oxygen, Dissolved as O2mg/l8.969.318.512.88.799.0310.610.310.16.81