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sampling point
Stondon Bk. A600 Rd.Br. Holwellbury

Description STONDON BK. A600 RD.BR. HOLWELLBURY
Sampling point ID AN-13M31
Type Freshwater – Rivers
Status open
Location easting northing: 516795 234950
lat lon: 52.000708, -0.300069
Area Cambridgeshire And Bedfordshire
Sub-Area Brampton Team Sub Area
Summary 30 samples taken between 2024 and 2013

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.

16 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Chloride Ion
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Temp Water
  • TurbidityNTU
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 30 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 23 Jul 2015 to 1 Jul 2024

NotationDeterminandUnits23 Jul
2015
10:54
27 Oct
2015
11:37
4 Feb
2016
11:23
9 May
2016
11:08
13 Jul
2016
10:20
18 Aug
2016
09:53
8 Nov
2016
12:44
3 Mar
2017
12:38
6 Jun
2024
12:39
1 Jul
2024
13:33
0061pH88.697.788.178.177.9
0076Temperature of Water°C716.14.76.211.815.1
0077Conductivity at 25 Cμs/cm923682439833892918
0085BOD : 5 Day ATUmg/l< 3.67
0111Ammoniacal Nitrogen as Nmg/l0.0310.060.092< 0.030.0450.0510.24
0116Nitrogen, Total Oxidised as Nmg/l6.393.562.51< 0.25.634.92.9
0117Nitrate as Nmg/l6.383.52< 0.1965.584.872.76
0118Nitrite as Nmg/l0.01220.0396< 0.0040.04830.0280.14
0119Ammonia un-ionised as Nmg/l0.000450.00171< 0.000220.000620.001060.00507
0162Alkalinity to pH 4.5 as CaCO3mg/l300306177285350330
0172Chloridemg/l31.6
0180Orthophosphate, reactive as Pmg/l0.060.0210.1820.3480.0790.0790.17
6396Turbidityntu24.8
7668No flow /No sample000
9901Oxygen, Dissolved, % Saturation%98.7109.396.295.391.452.9
9924Oxygen, Dissolved as O2mg/l1210.712.411.89.875.31

Samples from 5 Nov 2013 to 7 Apr 2015

NotationDeterminandUnits 5 Nov
2013
11:34
21 Nov
2013
08:46
10 Jan
2014
11:26
13 Feb
2014
11:17
6 Mar
2014
10:02
17 Jun
2014
10:24
22 Oct
2014
13:19
26 Nov
2014
11:52
8 Jan
2015
10:28
7 Apr
2015
13:06
0061pH8.017.877.387.948.077.87.897.898.27
0076Temperature of Water°C7.54.86.76.17.6149.17.910.9
0077Conductivity at 25 Cμs/cm927901800814834915791845859
0111Ammoniacal Nitrogen as Nmg/l< 0.030.243< 0.03< 0.030.0610.155< 0.030.0570.134
0116Nitrogen, Total Oxidised as Nmg/l2.4211.58.036.81.269.719.023.72
0117Nitrate as Nmg/l2.391.9911.58.026.791.29.793.7
0118Nitrite as Nmg/l0.00950.00580.00950.00650.00710.05660.0150.02030.0212
0119Ammonia un-ionised as Nmg/l< 0.000460.00225< 0.0001< 0.000360.000930.00241< 0.00040.000690.00261
0162Alkalinity to pH 4.5 as CaCO3mg/l271273274296312298270296294
0180Orthophosphate, reactive as Pmg/l0.1020.1130.0330.0310.0330.1670.0390.0550.093
7668No flow /No sample0
9901Oxygen, Dissolved, % Saturation%70.372.186.494.397.561.292.387.7124.8
9924Oxygen, Dissolved as O2mg/l8.429.2410.611.711.66.2910.610.413.8