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sampling point
Rib At Bengeo Hall

Description RIB AT BENGEO HALL
Sampling point ID TH-PLER0123
Type Freshwater – Rivers
Status open
Location easting northing: 533120 213930
lat lon: 51.808159, -0.070514
Area Hertfordshire And North London
Sub-Area L&W Herts & North London
Summary 286 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
  • Action taken
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Bifenthrin
  • C - Org Filt
  • Ca Filtered
  • Calcium - Ca
  • Cd Filtered
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • Cypermeth ID
  • Cypermethrin
  • DELTAMETHRIN
  • Fe- Filt
  • Flumethrin
  • Hardness
  • L Cyhalothrn
  • Magnesium-Mg
  • Mn- Filtered
  • N Oxidised
  • NH3 un-ion
  • Ni- Filtered
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Permethrn-Tr
  • Permethrn-cs
  • Phenol Odour
  • SI-EC-F
  • SI-GQA
  • Sld Sus@105C
  • Temp Water
  • Type of Flow
  • Zinc - as Zn
  • Zn- Filtered
  • pH
  • pH in-situ

Sampling results

Displaying the twenty most recent samples. You can see all 286 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 4 Jul 2023 to 7 Jun 2024

NotationDeterminandUnits 4 Jul
2023
09:49
1 Aug
2023
14:31
6 Sep
2023
12:00
4 Oct
2023
12:23
3 Nov
2023
10:07
1 Dec
2023
11:45
3 Jan
2024
10:24
2 Feb
2024
10:40
1 Mar
2024
10:41
7 Jun
2024
12:33
0061pH8.018.017.967.978.068.198.218.27.988.16
0076Temperature of Water°C14.516.217.314.510.14.48.28.28.213.4
0077Conductivity at 25 Cμs/cm716704740702563742515763730741
0085BOD : 5 Day ATUmg/l< 1< 1< 1< 1< 21.421.91.1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l6.86.57.66.614128.58.97.88.1
0117Nitrate as Nmg/l6.796.497.596.5914128.488.897.788.09
0118Nitrite as Nmg/l0.0130.0120.0120.0090.0180.00830.0160.00660.0210.0093
0119Ammonia un-ionised as Nmg/l< 0.00076< 0.00086< 0.00085< 0.00071< 0.00055< 0.00036< 0.00048< 0.00046< 0.0007
0162Alkalinity to pH 4.5 as CaCO3mg/l280270270260200280200270280
0180Orthophosphate, reactive as Pmg/l0.360.370.390.380.160.180.140.220.180.26
9901Oxygen, Dissolved, % Saturation%85.787.987.583.294.895.492.697.896.599.5
9924Oxygen, Dissolved as O2mg/l8.718.628.388.4610.712.410.911.511.410.4

Samples from 26 Sep 2022 to 2 Jun 2023

NotationDeterminandUnits26 Sep
2022
15:26
17 Oct
2022
13:36
1 Nov
2022
12:58
6 Dec
2022
13:47
19 Jan
2023
11:15
6 Feb
2023
17:04
2 Mar
2023
13:35
18 Apr
2023
13:00
30 May
2023
11:04
2 Jun
2023
10:13
0061pH8.077.998.018.178.128.328.358.238.138.11
0076Temperature of Water°C12.813.112.86.25.16.87.311.413.212.6
0077Conductivity at 25 Cμs/cm709787696741764758783726739737
0085BOD : 5 Day ATUmg/l1.31.4< 21.11.11.41.61.11.2< 1
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/l6.56.84.67.79.48.48.77.77.57.3
0117Nitrate as Nmg/l6.496.784.587.699.398.398.697.697.497.29
0118Nitrite as Nmg/l0.00740.0190.0170.00540.00880.00510.00680.00940.0140.015
0119Ammonia un-ionised as Nmg/l< 0.00067< 0.00067< 0.00067< 0.00041< 0.00038< 0.00043< 0.00045< 0.00061< 0.00069< 0.00066
0162Alkalinity to pH 4.5 as CaCO3mg/l270280270280270280280280280280
0180Orthophosphate, reactive as Pmg/l0.410.470.390.340.180.250.260.150.210.23
9901Oxygen, Dissolved, % Saturation%85.177.874.394.298.7101.891.1103.997.193.4
9924Oxygen, Dissolved as O2mg/l8.998.167.8511.712.612.41111.310.29.91