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sampling point
R.Colne Station Rd Bridge C. Engaine

Description R.COLNE STATION RD BRIDGE C. ENGAINE
Sampling point ID AN-CL0488
Type Freshwater – Rivers
Status open
Location easting northing: 584816 229871
lat lon: 51.936642, 0.687089
Area Essex Norfolk And Suffolk
Sub-Area Essex Team Sub Area
Summary 275 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.

50 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • COD as O2
  • Cadmium - Cd
  • Calcium - Ca
  • Cd DW <63
  • Cd - Dry Wt
  • Chloride Ion
  • Chromium -Cr
  • Clopyralid
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cr- Filtered
  • Cu Filtered
  • E.coli C-MF
  • Fe- Filt
  • GCMS S-Vol
  • Hardness
  • Hg DW <63
  • Hg - Dry Wt
  • IE Conf
  • IE Pres
  • Iron - as Fe
  • Lead - as Pb
  • MR Screen
  • Magnesium-Mg
  • Mercury - Hg
  • N Inorganic
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • Ni- Filtered
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Pb Filtered
  • Sld Sus@105C
  • Solids @105C
  • Temp Water
  • Turbidity
  • TurbidityNTU
  • Zinc - as Zn
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 275 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 22 Sep 2023 to 23 Jul 2024

NotationDeterminandUnits22 Sep
2023
12:45
4 Oct
2023
09:24
9 Nov
2023
12:14
4 Dec
2023
10:51
27 Dec
2023
10:34
15 Jan
2024
10:28
2 Feb
2024
13:01
7 Mar
2024
10:00
20 Jun
2024
13:54
23 Jul
2024
07:32
0061pH7.857.847.947.918.028.18.258.138.117.9
0076Temperature of Water°C15.4149.55.78.74.187.91617.6
0077Conductivity at 25 Cμs/cm830864760838703796838713895896
0085BOD : 5 Day ATUmg/l1.1< 1
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.0760.110.160.0350.0950.0330.031< 0.03
0116Nitrogen, Total Oxidised as Nmg/l5.75.18.97.87.688.36.78.710
0117Nitrate as Nmg/l5.695.098.867.757.537.978.246.678.669.97
0118Nitrite as Nmg/l0.0110.00650.040.0470.0660.030.0570.0320.040.034
0119Ammonia un-ionised as Nmg/l< 0.00058< 0.000510.001170.001190.002650.000410.00150.000520.00088< 0.00076
0162Alkalinity to pH 4.5 as CaCO3mg/l210240250230240260260260260240
0180Orthophosphate, reactive as Pmg/l0.60.430.170.220.170.20.230.160.390.22
2348Escherichia coli : Confirmed : MFno/100ml3000110029003000
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l13004607401600
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l13004607401500
9901Oxygen, Dissolved, % Saturation%77.872.98987.692.193.195.895.4103.571.6
9924Oxygen, Dissolved as O2mg/l7.767.4910.11110.712.211.311.310.26.82

Samples from 2 Nov 2022 to 11 Aug 2023

NotationDeterminandUnits 2 Nov
2022
11:13
12 Dec
2022
12:05
26 Jan
2023
11:10
10 Feb
2023
10:58
13 Mar
2023
11:25
5 Apr
2023
10:27
25 May
2023
10:21
19 Jun
2023
13:19
12 Jul
2023
11:22
11 Aug
2023
10:14
0061pH7.858.348.128.268.038.098.037.837.97.78
0076Temperature of Water°C1234.83.99.67.314.118.317.617.7
0077Conductivity at 25 Cμs/cm8801366900877710754863921920865
0111Ammoniacal Nitrogen as Nmg/l< 0.030.250.067< 0.030.031< 0.03< 0.03< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l7.8109.29.1118.25.55.355.9
0117Nitrate as Nmg/l7.779.949.139.08118.185.465.284.985.89
0118Nitrite as Nmg/l0.0280.0570.0720.0250.0390.0190.0450.0250.0180.01
0119Ammonia un-ionised as Nmg/l< 0.000450.002730.00083< 0.000350.00055< 0.00045< 0.00074< 0.00068< 0.00076< 0.00058
0162Alkalinity to pH 4.5 as CaCO3mg/l250260240290240260270250260240
0180Orthophosphate, reactive as Pmg/l0.540.340.230.270.120.150.280.530.690.62
2348Escherichia coli : Confirmed : MFno/100ml100041002200310042005401400
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l3606904904101500200560
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l3204804904101500200560
9901Oxygen, Dissolved, % Saturation%7388.485.696.695.593.187.271.468.273.8
9924Oxygen, Dissolved as O2mg/l7.8511.91112.710.911.28.946.76.497.01