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sampling point
R.Nar By-Pass Bridge Kings Lynn

Description R.NAR BY-PASS BRIDGE KINGS LYNN
Sampling point ID AN-58M11
Type Freshwater – Rivers
Status open
Location easting northing: 562135 318111
lat lon: 52.736313, 0.400026
Area Cambridgeshire And Bedfordshire
Sub-Area Ely Team Sub Area
Summary 243 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.

38 determinands have been measured at this site
  • Alky pH 4.5
  • Ammonia(N)
  • BOD ATU
  • Cadmium - Cd
  • Calcium - Ca
  • Chloride Ion
  • Chromium -Cr
  • Cond @ 20C
  • Cond @ 25C
  • Copper - Cu
  • Cu Filtered
  • Hardness
  • Lead - as Pb
  • Magnesium-Mg
  • N Inorganic
  • N Oxidised
  • NH3 un-ion
  • NO FLOW/SAMP
  • Nickel - Ni
  • Nitrate-N
  • Nitrite-N
  • O Diss %sat
  • O Diss% Satn
  • O Dissolved
  • OdourPhenolc
  • Oil & Grs Vs
  • Orthophospht
  • OrthophsFilt
  • Oxygen Diss
  • Phenol Odour
  • Phosphorus-P
  • 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 243 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 1 Sep 2023 to 21 Jun 2024

NotationDeterminandUnits 1 Sep
2023
13:13
16 Oct
2023
14:37
16 Nov
2023
08:59
5 Dec
2023
14:07
15 Jan
2024
12:14
19 Feb
2024
13:08
18 Mar
2024
12:48
16 Apr
2024
09:35
13 May
2024
09:24
21 Jun
2024
11:37
0061pH8.037.947.747.587.657.648.018.137.638.35
0076Temperature of Water°C17.110.38.25.73.510.411.39.315.417.8
0077Conductivity at 25 Cμs/cm648656765842874665694717716664
0085BOD : 5 Day ATUmg/l1.5< 11.411.4
0111Ammoniacal Nitrogen as Nmg/l0.051< 0.030.070.160.220.13< 0.03< 0.030.12< 0.03
0116Nitrogen, Total Oxidised as Nmg/l5.96.58.49.267.299.19.77.1
0117Nitrate as Nmg/l5.866.478.359.145.977.178.989.089.627.08
0118Nitrite as Nmg/l0.0420.0290.0530.0650.0310.0310.0250.0240.0790.022
0119Ammonia un-ionised as Nmg/l0.00156< 0.000490.000620.000820.001120.00108< 0.0006< 0.000520.00141< 0.00097
0162Alkalinity to pH 4.5 as CaCO3mg/l220230250240200220250240210230
0180Orthophosphate, reactive as Pmg/l0.0190.0560.0390.0410.0490.0560.0360.0170.0580.013
9901Oxygen, Dissolved, % Saturation%112.886.677.379.889.491.295.597.278.7130
9924Oxygen, Dissolved as O2mg/l10.99.699.11011.910.210.411.17.8512.3

Samples from 17 Feb 2022 to 2 Aug 2023

NotationDeterminandUnits17 Feb
2022
14:42
24 Feb
2022
09:01
14 Mar
2022
09:03
24 Mar
2022
08:45
5 Apr
2022
10:39
16 May
2023
11:40
19 May
2023
09:58
19 Jun
2023
11:31
17 Jul
2023
13:24
2 Aug
2023
13:45
0061pH8.158.18.128.057.987.897.997.868.298.08
0076Temperature of Water°C86.28.19.19.414.414.820.11818.1
0077Conductivity at 25 Cμs/cm750746710708690730693596616640
0085BOD : 5 Day ATUmg/l1.41
0111Ammoniacal Nitrogen as Nmg/l0.0420.0640.033< 0.03< 0.030.056< 0.030.042< 0.03< 0.03
0116Nitrogen, Total Oxidised as Nmg/l8.79.398.68.97.87.87.15.55.5
0117Nitrate as Nmg/l8.679.278.978.588.887.767.777.055.485.47
0118Nitrite as Nmg/l0.0350.0350.0270.0240.020.0370.030.0470.0240.031
0119Ammonia un-ionised as Nmg/l0.000660.000880.00052< 0.00051< 0.00050.0011< 0.000760.00117< 0.00098< 0.00099
0162Alkalinity to pH 4.5 as CaCO3mg/l240240250240230220220190210210
0180Orthophosphate, reactive as Pmg/l0.0420.0540.0310.016< 0.010.0450.035< 0.010.0120.017
9901Oxygen, Dissolved, % Saturation%96.391.791.695.4101.795.5100.9102.7114.5108.9
9924Oxygen, Dissolved as O2mg/l11.411.310.81111.69.7310.29.310.810.3