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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 280 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 280 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 15 Jan 2024 to 3 Dec 2024

NotationDeterminandUnits15 Jan
2024
10:28
2 Feb
2024
13:01
7 Mar
2024
10:00
20 Jun
2024
13:54
23 Jul
2024
07:32
29 Aug
2024
08:06
26 Sep
2024
09:39
14 Oct
2024
09:58
18 Nov
2024
10:45
3 Dec
2024
09:20
0061pH8.18.258.138.117.97.757.727.997.857.99
0076Temperature of Water°C4.187.91617.617.114.89.98.37.9
0077Conductivity at 25 Cμs/cm7968387138958961088574819879797
0085BOD : 5 Day ATUmg/l1.1< 1< 22.1< 11.21.4
0111Ammoniacal Nitrogen as Nmg/l0.0350.0950.0330.031< 0.03< 0.030.26< 0.03< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l88.36.78.7109.95.39.87.29.2
0117Nitrate as Nmg/l7.978.246.678.669.979.885.279.777.199.17
0118Nitrite as Nmg/l0.030.0570.0320.040.0340.0210.0260.0260.0150.03
0119Ammonia un-ionised as Nmg/l0.000410.00150.000520.00088< 0.00076< 0.000520.00358< 0.00053< 0.00034< 0.00046
0162Alkalinity to pH 4.5 as CaCO3mg/l260260260260240230150240270260
0180Orthophosphate, reactive as Pmg/l0.20.230.160.390.220.210.310.120.150.12
9901Oxygen, Dissolved, % Saturation%93.195.895.4103.571.669.878.687.681.387.4
9924Oxygen, Dissolved as O2mg/l12.211.311.310.26.826.717.949.899.5410.4

Samples from 5 Apr 2023 to 27 Dec 2023

NotationDeterminandUnits 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
22 Sep
2023
12:45
4 Oct
2023
09:24
9 Nov
2023
12:14
4 Dec
2023
10:51
27 Dec
2023
10:34
0061pH8.098.037.837.97.787.857.847.947.918.02
0076Temperature of Water°C7.314.118.317.617.715.4149.55.78.7
0077Conductivity at 25 Cμs/cm754863921920865830864760838703
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.0760.110.16
0116Nitrogen, Total Oxidised as Nmg/l8.25.55.355.95.75.18.97.87.6
0117Nitrate as Nmg/l8.185.465.284.985.895.695.098.867.757.53
0118Nitrite as Nmg/l0.0190.0450.0250.0180.010.0110.00650.040.0470.066
0119Ammonia un-ionised as Nmg/l< 0.00045< 0.00074< 0.00068< 0.00076< 0.00058< 0.00058< 0.000510.001170.001190.00265
0162Alkalinity to pH 4.5 as CaCO3mg/l260270250260240210240250230240
0180Orthophosphate, reactive as Pmg/l0.150.280.530.690.620.60.430.170.220.17
2348Escherichia coli : Confirmed : MFno/100ml54014003000110029003000
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l20056013004607401600
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l20056013004607401500
9901Oxygen, Dissolved, % Saturation%93.187.271.468.273.877.872.98987.692.1
9924Oxygen, Dissolved as O2mg/l11.28.946.76.497.017.767.4910.11110.7