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sampling point
Roman River Bounstead Bridge

Description ROMAN RIVER BOUNSTEAD BRIDGE
Sampling point ID AN-RR0108
Type Freshwater – Rivers
Status open
Location easting northing: 598537 220531
lat lon: 51.848053, 0.881051
Area Essex Norfolk And Suffolk
Sub-Area Essex Team Sub Area
Summary 152 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.

25 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • CHLOR A
  • CHLOROPHYLL
  • Chloride Ion
  • Cond @ 20C
  • Cond @ 25C
  • E.coli C-MF
  • IE Conf
  • IE Pres
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Sld Sus@105C
  • Temp Water
  • Turbidity
  • TurbidityNTU
  • pH
  • pH Inst unit

Sampling results

Displaying the twenty most recent samples. You can see all 152 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 29 Sep 2023 to 16 Jul 2024

NotationDeterminandUnits29 Sep
2023
12:21
9 Oct
2023
13:06
26 Oct
2023
11:46
14 Nov
2023
10:40
5 Dec
2023
10:49
3 Jan
2024
12:53
1 Feb
2024
13:19
5 Mar
2024
12:42
21 Jun
2024
15:29
16 Jul
2024
10:25
0061pH7.797.837.87.777.927.798.098.128.038.02
0076Temperature of Water°C15.815.511.4106.68.67.48.415.716.4
0077Conductivity at 25 Cμs/cm832860770653732496799741791722
0085BOD : 5 Day ATUmg/l1.22.3
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.030.043< 0.030.0640.0420.048< 0.030.53
0116Nitrogen, Total Oxidised as Nmg/l8.8129.38.18.56.39.88.3127.8
0117Nitrate as Nmg/l8.78129.268.078.446.279.738.26127.69
0118Nitrite as Nmg/l0.0180.0170.0440.0330.0560.0270.0740.040.0250.11
0119Ammonia un-ionised as Nmg/l< 0.00052< 0.000560.00055< 0.000320.000760.000430.00078< 0.000830.0154
0135Solids, Suspended at 105 Cmg/l6.35.2155823789.417916
0162Alkalinity to pH 4.5 as CaCO3mg/l140150160180200160200200170150
0180Orthophosphate, reactive as Pmg/l0.220.250.180.140.140.160.140.130.210.25
2348Escherichia coli : Confirmed : MFno/100ml12003902500900
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l35015027001200
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l35015027001200
6396Turbidityntu3.531665251104114.412
7887Chlorophyll : Acetone Extractμg/l2.62.52.62.91.11.52.53.22.34.6
9901Oxygen, Dissolved, % Saturation%88.590.289.386.591.383.5101.799.3111.387.5
9924Oxygen, Dissolved as O2mg/l8.758.979.749.7511.29.7312.211.6118.54

Samples from 19 Oct 2022 to 10 Aug 2023

NotationDeterminandUnits19 Oct
2022
12:11
2 Nov
2022
12:27
23 Nov
2022
12:14
12 Dec
2022
13:34
26 Jan
2023
12:12
10 Feb
2023
14:02
13 Mar
2023
12:39
20 Jun
2023
10:43
12 Jul
2023
10:08
10 Aug
2023
12:57
0061pH7.757.718.028.177.998.317.977.727.917.95
0076Temperature of Water°C11.611.98.63.15.2510.518.117.517.1
0077Conductivity at 25 Cμs/cm792825876886968960879853807778
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.030.0340.095< 0.030.0370.49< 0.030.034
0116Nitrogen, Total Oxidised as Nmg/l8.58.59.5121112107.29.99.8
0117Nitrate as Nmg/l8.488.479.481210.9129.937.129.859.76
0118Nitrite as Nmg/l0.0210.0350.0180.0180.0710.0340.0720.0780.0490.04
0119Ammonia un-ionised as Nmg/l< 0.00035< 0.00033< 0.000490.000370.00119< 0.000380.000650.00859< 0.000770.00093
0135Solids, Suspended at 105 Cmg/l6.87.496.6147.5147.46.26.4
0162Alkalinity to pH 4.5 as CaCO3mg/l120150170170160210220150160160
0180Orthophosphate, reactive as Pmg/l0.170.220.20.210.140.180.140.260.330.27
2348Escherichia coli : Confirmed : MFno/100ml260760630600470210470540510
3722Enterococci: Intestinal: Presumptive: MFcfu/0.1l200540520580560290140210200
3723Enterococci: Intestinal: Confirmed: MFcfu/0.1l200540520580560290140210200
6396Turbidityntu4.11.98.43.42.54.9
7887Chlorophyll : Acetone Extractμg/l2.4< 0.51.51.242.56.26.62.92.1
9901Oxygen, Dissolved, % Saturation%88.981.882.989.987.199.996.276.98595.4
9924Oxygen, Dissolved as O2mg/l9.658.829.6612.111.112.710.77.258.119.18