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sampling point
R.Ant Ludham Bridge

Description R.ANT LUDHAM BRIDGE
Sampling point ID AN-ANT190
Type Freshwater – Rivers
Status open
Location easting northing: 637300 317100
lat lon: 52.699519, 1.510684
Area Essex Norfolk And Suffolk
Sub-Area Norfolk & Suffolk Team Sub Area
Summary 296 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.

42 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • C - Org Filt
  • CHLOR A
  • CHLOROPHYLL
  • COD as O2
  • Ca Filtered
  • Cadmium - Cd
  • Calcium - Ca
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Fe- Filt
  • Hardness
  • Lead - as Pb
  • Magnesium-Mg
  • Mercury - Hg
  • Mg Filtered
  • Mn BLM Bio
  • Mn- Filtered
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • Orthophospht
  • Oxygen Diss
  • Phosphorus-P
  • 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 296 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 16 Jan 2024 to 19 Jul 2024

NotationDeterminandUnits16 Jan
2024
10:33
15 Feb
2024
12:47
19 Feb
2024
13:09
18 Mar
2024
10:16
18 Mar
2024
10:21
15 Apr
2024
13:05
17 Apr
2024
12:59
10 May
2024
14:35
20 Jun
2024
09:32
19 Jul
2024
10:54
0061pH7.877.747.847.837.818.178.158.958.518.31
0076Temperature of Water°C1.6910.110.610.611.91918.520.3
0077Conductivity at 25 Cμs/cm1311808750801782847954931771
0085BOD : 5 Day ATUmg/l1.92.32.752.44.5
0111Ammoniacal Nitrogen as Nmg/l0.110.0330.060.038< 0.03< 0.03< 0.030.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l31.81.71.31.41.31.20.21< 0.2
0117Nitrate as Nmg/l2.971.791.681.291.391.291.190.2010.193
0118Nitrite as Nmg/l0.0260.0120.0160.0110.0120.0120.00810.00880.0067
0119Ammonia un-ionised as Nmg/l0.00080.000310.000770.00049< 0.00037< 0.00063< 0.001050.00102< 0.00116
0162Alkalinity to pH 4.5 as CaCO3mg/l200200200200200230190220200
0180Orthophosphate, reactive as Pmg/l0.0570.0380.0380.0130.014< 0.01< 0.010.014< 0.01
0235Magnesium, Dissolvedmg/l201212
0239Calcium, Dissolvedmg/l11010094
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l141411
0348Phosphorus, Total as Pmg/l0.0750.0660.0820.12
6460Iron, Dissolvedμg/l3505368
9901Oxygen, Dissolved, % Saturation%84.880.778.483.582.193163.2100.5142.7
9924Oxygen, Dissolved as O2mg/l11.89.318.819.279.121015.19.3912.9

Samples from 29 Aug 2023 to 12 Jan 2024

NotationDeterminandUnits29 Aug
2023
12:16
28 Sep
2023
12:14
28 Sep
2023
12:15
20 Oct
2023
12:05
20 Oct
2023
12:06
20 Oct
2023
12:12
24 Nov
2023
14:33
24 Nov
2023
14:36
13 Dec
2023
12:10
12 Jan
2024
12:29
0061pH8.077.947.947.817.817.817.727.727.677.7
0076Temperature of Water°C19.316.616.613.113.113.18.38.36.44
0077Conductivity at 25 Cμs/cm83317841784209520912097191619161137764
0111Ammoniacal Nitrogen as Nmg/l< 0.03< 0.03< 0.030.0910.0840.090.140.140.140.18
0116Nitrogen, Total Oxidised as Nmg/l0.470.820.870.350.30.391.91.92.92
0117Nitrate as Nmg/l0.4640.8090.8630.3370.2870.3761.871.872.871.98
0118Nitrite as Nmg/l0.00560.0110.00710.0130.0130.0140.0320.0320.0340.025
0119Ammonia un-ionised as Nmg/l< 0.00108< 0.00077< 0.000770.001360.001250.001340.001190.001190.000920.00106
0162Alkalinity to pH 4.5 as CaCO3mg/l240200220210210200180180200180
0180Orthophosphate, reactive as Pmg/l< 0.010.0210.0230.0390.0410.0380.0740.0720.0560.065
0235Magnesium, Dissolvedmg/l36
0239Calcium, Dissolvedmg/l110
0301Carbon, Organic, Dissolved as C :- {DOC}mg/l8.5
0348Phosphorus, Total as Pmg/l0.140.120.120.110.0890.099
6460Iron, Dissolvedμg/l59
9901Oxygen, Dissolved, % Saturation%90.487.687.88181.480.883.983.967.282.5
9924Oxygen, Dissolved as O2mg/l8.318.528.538.58.548.479.859.858.2710.8