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sampling point
Ingrebourne At Hacton Lane

Description INGREBOURNE AT HACTON LANE
Sampling point ID TH-PRGR0020
Type Freshwater – Unspecified
Status open
Location easting northing: 554900 185910
lat lon: 51.550815, 0.232739
Area Hertfordshire And North London
Sub-Area L&W Herts & North London
Summary 105 samples taken between 2024 and 2005

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.

17 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOROPHYLL
  • Cond @ 25C
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Sld Sus@105C
  • Temp Water
  • TurbidityNTU
  • Type of Flow
  • pH

Sampling results

Displaying the twenty most recent samples. You can see all 105 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 11 Oct 2023 to 19 Jul 2024

NotationDeterminandUnits11 Oct
2023
10:50
7 Nov
2023
09:16
14 Dec
2023
11:54
3 Jan
2024
14:19
2 Feb
2024
10:39
11 Mar
2024
09:32
8 Apr
2024
12:42
13 May
2024
11:14
18 Jun
2024
10:20
19 Jul
2024
08:43
0061pH7.717.957.967.977.927.948.087.76
0076Temperature of Water°C16.59.97.89.47.91015.717.9
0077Conductivity at 25 Cμs/cm1029838679598994766873869
0085BOD : 5 Day ATUmg/l1.7< 2
0111Ammoniacal Nitrogen as Nmg/l0.0670.0870.0510.0790.0810.10.0610.058
0116Nitrogen, Total Oxidised as Nmg/l201164.7166.91415
0117Nitrate as Nmg/l19.910.95.964.6715.96.8313.914.9
0118Nitrite as Nmg/l0.0870.070.0390.0290.110.0710.0850.056
0119Ammonia un-ionised as Nmg/l0.001020.001410.000720.001290.001060.001590.001690.0011
0135Solids, Suspended at 105 Cmg/l7.21934686.531115.8139.9
0162Alkalinity to pH 4.5 as CaCO3mg/l120150160150150160130130
0180Orthophosphate, reactive as Pmg/l0.880.30.150.150.40.20.570.56
7887Chlorophyll : Acetone Extractμg/l1.81.11.62.91.5107.63.23.91.5
9901Oxygen, Dissolved, % Saturation%8790.594.293.895.39396.386.2
9924Oxygen, Dissolved as O2mg/l8.4710.211.210.711.310.59.548.16

Samples from 16 Dec 2022 to 11 Sep 2023

NotationDeterminandUnits16 Dec
2022
11:56
3 Feb
2023
13:46
13 Mar
2023
12:53
29 Mar
2023
09:57
19 Apr
2023
11:19
9 May
2023
11:43
1 Jun
2023
13:16
5 Jul
2023
13:46
1 Aug
2023
15:56
11 Sep
2023
12:38
0061pH8.128.28.278.098.297.678.017.67.797.74
0076Temperature of Water°C2.5911.310.410.914.515.516.619.320.5
0077Conductivity at 25 Cμs/cm12871020103091192653210805797931038
0085BOD : 5 Day ATUmg/l3.632.72.5
0111Ammoniacal Nitrogen as Nmg/l0.40.140.0940.140.10.130.20.0450.060.32
0116Nitrogen, Total Oxidised as Nmg/l15168.39.1115.5226.31318
0117Nitrate as Nmg/l14.815.98.219.0410.95.4321.86.2312.917.9
0118Nitrite as Nmg/l0.170.110.0880.0640.0850.0740.210.0720.0730.13
0119Ammonia un-ionised as Nmg/l0.00420.002370.001890.002630.001950.001560.005450.000540.001340.00699
0135Solids, Suspended at 105 Cmg/l6.39.315176.7508.3251013
0162Alkalinity to pH 4.5 as CaCO3mg/l1301501601601708715084110130
0180Orthophosphate, reactive as Pmg/l0.460.380.220.240.310.240.670.380.561.1
6396Turbidityntu5.9
7887Chlorophyll : Acetone Extractμg/l0.61.410293.36.51.83.1
9901Oxygen, Dissolved, % Saturation%92.7103.991.196.4116.884.8100.956.892.279.7
9924Oxygen, Dissolved as O2mg/l12.6129.9610.812.98.62105.528.487.16