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sampling point
Toppesfield Bk.A604 Rd.Br.

Description TOPPESFIELD BK.A604 RD.BR.
Sampling point ID AN-CL0814
Type Freshwater – Rivers
Status open
Location easting northing: 576229 237722
lat lon: 52.009941, 0.566341
Area Essex Norfolk And Suffolk
Sub-Area Essex Team Sub Area
Summary 267 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.

36 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOROPHYLL
  • COD as O2
  • Calcium - Ca
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • Cu Filtered
  • E.coli C-MF
  • GCMS S-Vol
  • Hardness
  • IE Conf
  • IE Pres
  • Magnesium-Mg
  • N Inorganic
  • N Oxidised
  • NATGRIDREF
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Oil & Grs Vs
  • Orthophospht
  • Oxygen Diss
  • Phenol Odour
  • SiO2 Rv
  • Sld Sus@105C
  • Temp Water
  • Turbidity
  • TurbidityNTU
  • Zinc - as Zn
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 267 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Nov 2023 to 5 Aug 2024

NotationDeterminandUnits 7 Nov
2023
10:31
4 Dec
2023
11:21
4 Jan
2024
14:24
1 Feb
2024
13:17
7 Mar
2024
10:27
4 Apr
2024
10:54
2 May
2024
12:33
11 Jun
2024
13:40
9 Jul
2024
13:51
5 Aug
2024
08:00
0061pH7.928.028.118.098.19
0076Temperature of Water°C9.25.67.96.97.510.412.912.315.914.9
0077Conductivity at 25 Cμs/cm6946856407706987387318026771001
0085BOD : 5 Day ATUmg/l< 21.21.5< 3< 4
0092Chemical Oxygen Demand :- {COD}mg/l15< 10181818
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.03< 0.03< 0.03< 0.030.036< 0.030.072
0116Nitrogen, Total Oxidised as Nmg/l12129.47.36.54.27.83.62.40.45
0117Nitrate as Nmg/l12129.387.276.484.187.773.572.390.439
0118Nitrite as Nmg/l0.0240.0150.0160.0310.0170.0220.0330.0270.0140.011
0119Ammonia un-ionised as Nmg/l< 0.00043< 0.0004< 0.00047< 0.00046
0135Solids, Suspended at 105 Cmg/l116.77.6108.5
0162Alkalinity to pH 4.5 as CaCO3mg/l250250260280290
0172Chloridemg/l3123342970
0180Orthophosphate, reactive as Pmg/l0.0550.070.060.0860.0540.0640.060.140.140.078
0182Silica, reactive as SiO2mg/l53.88.41114
2348Escherichia coli : Confirmed : MFno/100ml4501500
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l17002800
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l17002800
7887Chlorophyll : Acetone Extractμg/l2.85.54.8182.5
9901Oxygen, Dissolved, % Saturation%88.891.292.393.395.794.4104.685.288.446.4
9924Oxygen, Dissolved as O2mg/l10.211.510.911.311.510.5119.18.724.67

Samples from 26 Jan 2023 to 4 Oct 2023

NotationDeterminandUnits26 Jan
2023
10:13
10 Feb
2023
10:00
13 Mar
2023
10:09
5 Apr
2023
11:43
18 May
2023
10:19
6 Jun
2023
12:46
3 Jul
2023
13:00
31 Aug
2023
14:40
27 Sep
2023
16:06
4 Oct
2023
10:00
0061pH8.058.058.18.097.737.497.317.487.517.7
0076Temperature of Water°C3.82.397.210.912.414.113.515.413.2
0077Conductivity at 25 Cμs/cm89682170674980991710701028893714
0111Ammoniacal Nitrogen as Nmg/l0.0520.033< 0.03< 0.030.0350.10.160.0890.082< 0.03
0116Nitrogen, Total Oxidised as Nmg/l1210129.75.62.20.22< 0.2< 0.20.22
0117Nitrate as Nmg/l129.97129.675.562.140.20.1910.1910.216
0118Nitrite as Nmg/l0.0270.030.0230.0270.0440.0580.020.00920.0095< 0.004
0119Ammonia un-ionised as Nmg/l0.00060.00034< 0.00051< 0.000450.000370.000680.000820.000640.00073< 0.00035
0162Alkalinity to pH 4.5 as CaCO3mg/l260310270290310360360340310270
0180Orthophosphate, reactive as Pmg/l0.0860.060.0450.0570.10.160.0470.0610.0780.29
2348Escherichia coli : Confirmed : MFno/100ml1200460140014063028002600
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l5205104601505004601800
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l5205104601505004101600
9901Oxygen, Dissolved, % Saturation%85.989.393.897.879.149.824.73745.265.7
9924Oxygen, Dissolved as O2mg/l11.312.210.811.88.725.312.533.854.516.88